CN107221441A - A kind of solar cell based on composite nanostructure light anode - Google Patents
A kind of solar cell based on composite nanostructure light anode Download PDFInfo
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- CN107221441A CN107221441A CN201710452895.6A CN201710452895A CN107221441A CN 107221441 A CN107221441 A CN 107221441A CN 201710452895 A CN201710452895 A CN 201710452895A CN 107221441 A CN107221441 A CN 107221441A
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- 239000002131 composite material Substances 0.000 title claims abstract description 10
- 239000002086 nanomaterial Substances 0.000 title claims abstract description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 239000002070 nanowire Substances 0.000 claims abstract description 24
- 239000003792 electrolyte Substances 0.000 claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 230000001235 sensitizing effect Effects 0.000 claims abstract description 11
- 239000011244 liquid electrolyte Substances 0.000 claims abstract description 5
- -1 light anode Substances 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 86
- 239000000243 solution Substances 0.000 claims description 55
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 54
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 239000002002 slurry Substances 0.000 claims description 42
- 235000019441 ethanol Nutrition 0.000 claims description 34
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 25
- 239000002202 Polyethylene glycol Substances 0.000 claims description 24
- 229920001223 polyethylene glycol Polymers 0.000 claims description 24
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 16
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 16
- 238000002604 ultrasonography Methods 0.000 claims description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 12
- RBNWAMSGVWEHFP-UHFFFAOYSA-N trans-p-Menthane-1,8-diol Chemical compound CC(C)(O)C1CCC(C)(O)CC1 RBNWAMSGVWEHFP-UHFFFAOYSA-N 0.000 claims description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 11
- 238000013019 agitation Methods 0.000 claims description 11
- 229910052719 titanium Inorganic materials 0.000 claims description 11
- 239000010936 titanium Substances 0.000 claims description 11
- 229910052697 platinum Inorganic materials 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000003599 detergent Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000011541 reaction mixture Substances 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 6
- 229940043237 diethanolamine Drugs 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 6
- 239000012895 dilution Substances 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 125000005909 ethyl alcohol group Chemical group 0.000 claims description 6
- 239000004312 hexamethylene tetramine Substances 0.000 claims description 6
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 238000002390 rotary evaporation Methods 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- DJWUNCQRNNEAKC-UHFFFAOYSA-L zinc acetate Chemical class [Zn+2].CC([O-])=O.CC([O-])=O DJWUNCQRNNEAKC-UHFFFAOYSA-L 0.000 claims description 6
- 235000013904 zinc acetate Nutrition 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000003854 Surface Print Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 206010070834 Sensitisation Diseases 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 230000008313 sensitization Effects 0.000 claims description 2
- 230000001568 sexual effect Effects 0.000 claims 1
- 239000000975 dye Substances 0.000 description 16
- 239000010408 film Substances 0.000 description 10
- 238000011010 flushing procedure Methods 0.000 description 10
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 239000002105 nanoparticle Substances 0.000 description 6
- 238000005660 chlorination reaction Methods 0.000 description 5
- 230000005518 electrochemistry Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 238000002791 soaking Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DPKBAXPHAYBPRL-UHFFFAOYSA-M tetrabutylazanium;iodide Chemical compound [I-].CCCC[N+](CCCC)(CCCC)CCCC DPKBAXPHAYBPRL-UHFFFAOYSA-M 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
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- 238000009792 diffusion process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- ICIWUVCWSCSTAQ-UHFFFAOYSA-M iodate Chemical compound [O-]I(=O)=O ICIWUVCWSCSTAQ-UHFFFAOYSA-M 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
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- 239000002159 nanocrystal Substances 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2027—Light-sensitive devices comprising an oxide semiconductor electrode
- H01G9/2036—Light-sensitive devices comprising an oxide semiconductor electrode comprising mixed oxides, e.g. ZnO covered TiO2 particles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/209—Light trapping arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/542—Dye sensitized solar cells
Abstract
The application is related to a kind of solar cell based on composite nanostructure light anode, the solar cell is DSSC, the DSSC includes conductive substrates, light anode, dye sensitizing agent, electrolyte and to electrode, wherein, light anode is set with being arranged in conductive substrates and encapsulating relatively to electrode, photoanode surface is adsorbed with dye sensitizing agent, and electrolyte is liquid electrolyte, is located at light anode and between electrode；The light anode includes being sequentially arranged in first absorbed layer, scattering layer, the second absorbed layer on conductive substrates surface；Wherein, the first absorbed layer is ZnO nano-wire layer, and scattering layer is WO3Stratum granulosum, the second absorbed layer is TiO2Stratum granulosum.
Description
Technical field
The application is related to area of solar cell, more particularly to a kind of solar-electricity based on composite nanostructure light anode
Pond.
Background technology
The energy is the important substance basis of national economy and social development, and at present, the energy relies primarily on oil, coal, day
The fossil energies such as right gas, but traditional fossil energy is increasingly exhausted, and a large amount of of traditional fossil energy are used to ring
Border causes heavy damage, in recent years, and global more regions experienced the warm winter one by one, and multiple summer southern Europe various countries are subjected to
50 DEG C of high temperature, the immediate cause of climate warming is the CO that goes out of burning and exhausting of fossil energy2It result in the greenhouse effects of the earth.
Solar energy is a kind of regenerative resource of cleaning, and the large-scale application of solar energy is that solution energy problem and environment are asked
The key breakthrough points of topic, the utilization form of solar energy is a variety of, mainly including solar thermal utilization, and photochemistry is utilized, solar photovoltaic utilization etc.；Light
The solar water heater that heat utilization such as average family is used, the form that solar energy exactly is converted into heat energy is used, photochemical
Learn and prepare hydrogen using such as photocatalytic water；Solar photovoltaic utilization such as solar cell etc..
Solar cell at this stage mainly has silica-based solar cell, organic/polymer solar battery, inorganic chemical
Thing semiconductor solar cell, dye sensitized nano crystal salar battery etc., wherein, DSSC is with cheap
Cost and simple manufacture craft are considered as to realize the leading candidate that solar energy is utilized on a large scale.
DSSC is mainly made up of five parts：Conductive substrates, light anode, dye sensitizing agent, electrolyte
With to electrode, wherein, the Nomenclature Composition and Structure of Complexes of light anode directly affects the transformation efficiency of DSSC and long-term steady
It is qualitative, it is that its light anode is general by TiO in the most important part of battery, DSSC at this stage2
Nano thin-film is constituted, TiO2Nano thin-film is mainly carrying dye sensitizing agent and receives and transmit electronics；Turn to improve photoelectricity
Change efficiency, by using the TiO compared with small particle (20nm)2Nano particle constitutes film, is so conducive to increasing the ratio of light anode
Surface area, improves the adsorbance of dyestuff, yet with TiO2The size of nano particle is smaller, and the transmitance of light is higher, on the contrary can
Cause the waste of sunshine, therefore, it is necessary to photo-anode film outer layer prepare by big particle diameter TiO2Nano particle institute group
Into scattering layer, the sunshine that will transmit through internal layer photo-anode film is reflected and is absorbed and used again, so as to effectively improve light
The photoelectric transformation efficiency caught light efficiency, improve DSSC of anode film.
The content of the invention
For these reasons, on the basis of existing technology, the present invention is intended to provide a kind of be based on composite nanostructure light
The solar cell of anode, to solve problem set forth above.
A kind of solar cell based on composite nanostructure light anode, the solar energy are provided in embodiments of the invention
Battery is DSSC, the DSSC include conductive substrates, light anode, dye sensitizing agent,
Electrolyte and to electrode, wherein, light anode and electrode is arranged in conductive substrates and relative encapsulate is set, photoanode surface
Dye sensitizing agent is adsorbed with, electrolyte is liquid electrolyte, is located at light anode and between electrode；
Specifically, the light anode includes being sequentially arranged in first absorbed layer on conductive substrates surface, scattering layer, the second absorption
Layer；Wherein, the first absorbed layer is ZnO nano-wire layer, and scattering layer is WO3Stratum granulosum, the second absorbed layer is TiO2Stratum granulosum.
Specifically, this pair of electrode is in the formation of conductive substrates surface printing platinum electrode；
Specifically, the electrolyte preparation process is：A certain amount of acetonitrile solution is weighed, 0.1M iodate is added thereto
Lithium, 0.1M iodine, 0.6M 4- tert .-butylpyridines and 0.6M tetrabutylammonium iodide, then lucifuge ultrasound 10min, magnetic force
Stirring, makes it fully dissolve.
The technical scheme that embodiments of the invention are provided can include the following benefits：
The solar cell of the present invention is DSSC, and the DSSC includes conductive base
Bottom, light anode, dye sensitizing agent, electrolyte and to electrode, wherein, the light anode includes being sequentially arranged in the of conductive substrates surface
One absorbed layer, scattering layer, the second absorbed layer；Specifically, the first absorbed layer is ZnO nano-wire layer, scattering layer is WO3Stratum granulosum,
Second absorbed layer is TiO2Stratum granulosum, the first absorbed layer, the second absorbed layer are adsorbed with dyestuff；Inhaled by the first absorbed layer, second
The structure that scattering layer is set in the middle of layer is received, the light anode can absorb sunshine to greatest extent, and then increase photoelectric conversion effect
Rate.
The aspect and advantage that the application is added will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the application.It should be appreciated that the general description of the above and detailed description hereinafter are only
It is exemplary and explanatory, the application can not be limited.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings
Other accompanying drawings.
Fig. 1 is the structural representation of solar cell of the present invention；
Wherein, 10- conductive substrates, 11- light anodes, 12- electrolyte, 13- dissipates to electrode, the absorbed layers of 111- first, 112-
Penetrate layer, the absorbed layers of 113- second.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the present invention.
A kind of solar cell, the solar cell is DSSC, the DSSC
Including conductive substrates 10, light anode 11, dye sensitizing agent, electrolyte 12 and to electrode 13；
Wherein, light anode 11 is set with being arranged in conductive substrates 10 and encapsulating relatively to electrode 13, the table of light anode 11
Face is adsorbed with dye sensitizing agent, and electrolyte 12 is liquid electrolyte, is located at light anode 11 and between electrode 13；
This pair of electrode 13 is in the formation of the surface printing platinum electrode of conductive substrates 10.
The liquid electrolyte preparation process is：A certain amount of acetonitrile solution is weighed, 0.1M lithium iodide is added thereto,
0.1M iodine, 0.6M 4- tert .-butylpyridines and 0.6M tetrabutylammonium iodide, then lucifuge ultrasound 10min, magnetic force is stirred
Mix, it is fully dissolved.
In the embodiment of technical scheme, the light anode 11 is a kind of light anode of composite nanostructure, specifically
, the light anode 11 includes being sequentially arranged in the first absorbed layer 111, scattering layer 112, second absorbed layer on the surface of conductive substrates 10
113, as shown in Figure 1；Wherein, the first absorbed layer 111 is ZnO nano-wire layer, and scattering layer 112 is WO3Stratum granulosum, the second absorbed layer
113 be TiO2Stratum granulosum.
The light anode 11 of the application is a kind of light anode of composite nanostructure, the WO3Stratum granulosum is scattering layer, and first inhales
Receive layer, the second absorbed layer and be adsorbed with dyestuff, solar energy can be absorbed.
It is typically that one layer of TiO is set on conductive substrates surface in the light anode of dye sensitization of solar2Nano particle, should
TiO2Nanometer particle film is both the carrier of Dye Adsorption, plays a part of separation and the transmission electric charge of key again, however, TiO2
Nano particle diameter is smaller, and its light transmittance is larger, and this causes to waste to sunshine.
Based on this, in configuration aspects, in the technical scheme of the application, the light anode include the first absorbed layer, scattering layer,
Second absorbed layer, wherein, the first absorbed layer, the second absorbed layer are adsorbed with dyestuff, as the carrier of Dye Adsorption, play separation and
Transmit the effect of electric charge；And middle scattering layer can scatter the sunshine through the first absorbed layer, simultaneously because scattered light is
There is scattering to surrounding, therefore, the first absorbed layer, the second absorbed layer in scattering layer both sides can receive sunshine, so that
The capture rate of first absorbed layer for being adsorbed with dyestuff, the second absorbed layer to light can be increased, strengthen the absorption to sunshine,
And then increase electricity conversion.
Specifically, in the first absorbed layer, a diameter of 100nm of the ZnO nano-wire, length is 10 μm.
In common technical scheme, one layer of nano-TiO is set on conductive substrates surface2Particle is as light anode, however, receiving
The problems such as rice grain Presence of an interface is more, electronic transmission performance is poor, recombination rate is high；In the technical scheme of the application, received using ZnO
Rice noodles are as light anode material, compared with nano particle：1. nano thread structure injected electrons can be passed directed along nano wire
It is defeated in conductive substrates, it is to avoid contact of the electronics with electrolyte, the recombination probability of electronics can be reduced；2. nanowire growth exists
Conductive substrates surface, growth is firm, and the contact resistance with conductive substrates is smaller；3. nano thread structure has the orientation of height,
The diffusion of electrolyte, increase and the contact area of electrolyte can be conducive to.
ZnO material is a kind of important semiconductor material with wide forbidden band, and it is urged in Flied emission, lithium battery, ultracapacitor, light
The field such as change and solar cell applies more, and ZnO band gap is 3.37eV, with TiO2Can band it is close, be substituted TiO2Material
Material, results in stronger electron mobility.
Specifically, in scattering layer, the scattering layer thickness is 5 μm, the WO3Grain diameter is 200~500nm.
In DSSC, as scattering layer, the material generally used has TiO2Particle, TiO2Hollow variole
Grain etc., in the technical scheme of the application, using WO3Particle constitutes scattering layer, WO3It is a kind of important semiconductor material with wide forbidden band,
It is in the field extensive use such as electrochromism, photochromic, luminescence generated by light, by itself and ZnO nano-wire, TiO2Particle is combined as
The technical scheme of light anode is few, in the technical scheme of the application, the WO3Particle and ZnO nano-wire, TiO2Particle combination,
The light anode of composite construction is constituted, it plays good scattering process, also, the WO to sunshine3Grain diameter is larger, removes
Play a part of outside scattering sunshine, also help the ZnO nano-wire layer that electrolyte is diffused into inside.
Specifically, in the second absorbed layer, second absorber thickness is 5 μm, the TiO2Grain diameter is 20nm.
Second absorbed layer uses traditional TiO2Particle, it is maximum with electrolyte contacts area, can be inhaled as first
The supplement of layer is received, the sunshine for being irradiated to photoanode surface is absorbed to greatest extent.
The light anode of the application is used as conductive substrates using FTO electro-conductive glass.
The preparation process of the light anode of the application is：
Step 1, FTO electro-conductive glass is cleaned
First, the FTO electro-conductive glass for reducing suitable dimension is put into ultrasound 20min in the liquid detergent solution of dilution, will washed
Clean smart solution is outwelled, and is spent example water and is rinsed glass surface, then FTO electro-conductive glass is put into example water ultrasonic
20min, then ultrasound 15min respectively is sequentially placed into acetone, ethanol, deionized water, dried up with nitrogen, it is stand-by；
Step 2, ZnO Seed Layers are prepared
First, the solution containing 0.05mol zinc acetates, 0.06mol diethanol amine and 100ml absolute ethyl alcohols, room temperature are configured
Magnetic agitation 10h in 60 DEG C of oil bath pan is put into after lower magnetic agitation 30min, Seed Layer solution is obtained, then will be clear in upper step
The FTO electro-conductive glass of wash clean is slowly immersed in the Seed Layer solution, stands 13s, and then slow to pull out, the rate of pulling is
0.1cm/s.The FTO electro-conductive glass lifted is placed in 65 DEG C of baking oven and dries 20min, then FTO electro-conductive glass is put
Enter 380 DEG C of annealing 2h in Muffle furnace, ZnO Seed Layers are obtained in FTO conductive glass surfaces；
Step 3, the first absorbed layer is prepared
Configure the ZnCl containing 33mmol2, the reaction mixing of 33mmol hexamethylenetetramine and 100ml deionized water
Solution, 2ml ammoniacal liquor is then added dropwise into reaction mixture, 30min is sufficiently stirred for, and is transferred into autoclave inner bag
In, then the FTO electro-conductive glass for being covered with ZnO Seed Layers is tilted and leaned against in autoclave inner bag, conductive face-down, good seal high pressure
Kettle, autoclave is put into and is warming up in 95 DEG C of baking oven, reacts 20h, has been reacted rear Temperature fall cooling, has been rushed repeatedly with distilled water
FTO electro-conductive glass is washed, layer of ZnO nano wire layer, as the first absorbed layer are grown on FTO electro-conductive glass；The growth there is ZnO
It is 24 hours in 0.4mM N719 ethanol solutions that the FTO electro-conductive glass of nano wire layer is soaked into molar concentration at room temperature, then
Use alcohol flushing surface；
Step 4, scattering layer is prepared
First, the WO that particle diameter is 200~500nm is taken3Particle, it is mixed with polyethylene glycol and terpinol, is ultrasonically formed
Slurry, makes WO in slurry3The weight content of particle is 45%, and the weight content of polyethylene glycol is 10%；Then, the slurry is applied
FTO conductive glass surfaces are overlayed on, in constant temperature 20min at constant temperature 10min at 370 DEG C, 430 DEG C, Temperature fall obtains scattering layer；
Step 5, the second absorbed layer is prepared
First, TiO is prepared2Particle slurry：
It is added dropwise acetic acid in titanium tetrachloride solution, the weight ratio of titanium tetrachloride and acetic acid is 4:1, then by titanium tetrachloride and
The mixed liquor of acetic acid is poured into the water that weight is 4.8 times of titanium tetrachloride consumption, and stirring produces precipitation；Weight is added for four chlorinations
The nitric acid that 0.05 times of titanium consumption, solves molten 60min at 80 DEG C, obtains the vitreosol of blueing light, and the vitreosol is put into titanium
In reactor, 24h is reacted at 250 DEG C, rotary evaporation, which is removed, adds film forming agent polyethylene glycol and dispersion solvent terpinol after water,
Obtain TiO2TiO in particle slurry, slurry2The weight content of particle is 15%, and the weight content of polyethylene glycol is 4.5%；
Then, by the TiO2Particle slurry is coated in the FTO conductive glass surfaces for preparing and having scattering layer, in dry at 130 DEG C
Dry 10min, then constant temperature 5min, constant temperature 10min at 440 DEG C at 390 DEG C, Temperature fall obtains the second absorbed layer, is this
The light anode of application.
It is 24 hours in 0.4mM N719 ethanol solutions that the good light anode soaking at room temperature of high temperature sintering, which is entered molar concentration, so
Alcohol flushing surface is used afterwards, drips the electrolyte that a upper dripping is got ready.With clip to electrode platinum (being prepared using electrochemistry) and light
Anode is clamped.Photovoltaic performance measurement can be carried out.
Embodiment 1
Step 1, FTO electro-conductive glass is cleaned
First, the FTO electro-conductive glass for reducing suitable dimension is put into ultrasound 20min in the liquid detergent solution of dilution, will washed
Clean smart solution is outwelled, and is spent example water and is rinsed glass surface, then FTO electro-conductive glass is put into example water ultrasonic
20min, then ultrasound 15min respectively is sequentially placed into acetone, ethanol, deionized water, dried up with nitrogen, it is stand-by；
Step 2, ZnO Seed Layers are prepared
First, the solution containing 0.05mol zinc acetates, 0.06mol diethanol amine and 100ml absolute ethyl alcohols, room temperature are configured
Magnetic agitation 10h in 60 DEG C of oil bath pan is put into after lower magnetic agitation 30min, Seed Layer solution is obtained, then will be clear in upper step
The FTO electro-conductive glass of wash clean is slowly immersed in the Seed Layer solution, stands 13s, and then slow to pull out, the rate of pulling is
0.1cm/s.The FTO electro-conductive glass lifted is placed in 65 DEG C of baking oven and dries 20min, then FTO electro-conductive glass is put
Enter 380 DEG C of annealing 2h in Muffle furnace, ZnO Seed Layers are obtained in FTO conductive glass surfaces；
Step 3, the first absorbed layer is prepared
Configure the ZnCl containing 33mmol2, the reaction mixing of 33mmol hexamethylenetetramine and 100ml deionized water
Solution, 2ml ammoniacal liquor is then added dropwise into reaction mixture, 30min is sufficiently stirred for, and is transferred into autoclave inner bag
In, then the FTO electro-conductive glass for being covered with ZnO Seed Layers is tilted and leaned against in autoclave inner bag, conductive face-down, good seal high pressure
Kettle, autoclave is put into and is warming up in 95 DEG C of baking oven, reacts 20h, has been reacted rear Temperature fall cooling, has been rushed repeatedly with distilled water
FTO electro-conductive glass is washed, layer of ZnO nano wire layer, as the first absorbed layer are grown on FTO electro-conductive glass；The growth there is ZnO
It is 24 hours in 0.4mM N719 ethanol solutions that the FTO electro-conductive glass of nano wire layer is soaked into molar concentration at room temperature, then
Use alcohol flushing surface；
Step 4, scattering layer is prepared
First, the WO that particle diameter is 200 is taken3Particle, it is mixed with polyethylene glycol and terpinol, slurry is ultrasonically formed, made
WO in slurry3The weight content of particle is 45%, and the weight content of polyethylene glycol is 10%；Then, the slurry is coated in FTO
Conductive glass surface, in constant temperature 20min at constant temperature 10min at 370 DEG C, 430 DEG C, Temperature fall obtains scattering layer；
Step 5, the second absorbed layer is prepared
First, TiO is prepared2Particle slurry：
It is added dropwise acetic acid in titanium tetrachloride solution, the weight ratio of titanium tetrachloride and acetic acid is 4:1, then by titanium tetrachloride and
The mixed liquor of acetic acid is poured into the water that weight is 4.8 times of titanium tetrachloride consumption, and stirring produces precipitation；Weight is added for four chlorinations
The nitric acid that 0.05 times of titanium consumption, solves molten 60min at 80 DEG C, obtains the vitreosol of blueing light, and the vitreosol is put into titanium
In reactor, 24h is reacted at 250 DEG C, rotary evaporation, which is removed, adds film forming agent polyethylene glycol and dispersion solvent terpinol after water,
Obtain TiO2TiO in particle slurry, slurry2The weight content of particle is 15%, and the weight content of polyethylene glycol is 4.5%；
Then, by the TiO2Particle slurry is coated in the FTO conductive glass surfaces for preparing and having scattering layer, in dry at 130 DEG C
Dry 10min, then constant temperature 5min, constant temperature 10min at 440 DEG C at 390 DEG C, Temperature fall obtains the second absorbed layer, is this
The light anode of application.
It is 24 hours in 0.4mM N719 ethanol solutions that the good light anode soaking at room temperature of high temperature sintering, which is entered molar concentration, so
Alcohol flushing surface is used afterwards, drips the electrolyte that a upper dripping is got ready.With clip to electrode platinum (being prepared using electrochemistry) and light
Anode is clamped.Photovoltaic performance measurement can be carried out.
The electricity conversion of DSSC prepared by light anode in the present embodiment is used for 8.56%.
Embodiment 2
Step 1, FTO electro-conductive glass is cleaned
First, the FTO electro-conductive glass for reducing suitable dimension is put into ultrasound 20min in the liquid detergent solution of dilution, will washed
Clean smart solution is outwelled, and is spent example water and is rinsed glass surface, then FTO electro-conductive glass is put into example water ultrasonic
20min, then ultrasound 15min respectively is sequentially placed into acetone, ethanol, deionized water, dried up with nitrogen, it is stand-by；
Step 2, ZnO Seed Layers are prepared
First, the solution containing 0.05mol zinc acetates, 0.06mol diethanol amine and 100ml absolute ethyl alcohols, room temperature are configured
Magnetic agitation 10h in 60 DEG C of oil bath pan is put into after lower magnetic agitation 30min, Seed Layer solution is obtained, then will be clear in upper step
The FTO electro-conductive glass of wash clean is slowly immersed in the Seed Layer solution, stands 13s, and then slow to pull out, the rate of pulling is
0.1cm/s.The FTO electro-conductive glass lifted is placed in 65 DEG C of baking oven and dries 20min, then FTO electro-conductive glass is put
Enter 380 DEG C of annealing 2h in Muffle furnace, ZnO Seed Layers are obtained in FTO conductive glass surfaces；
Step 3, the first absorbed layer is prepared
Configure the ZnCl containing 33mmol2, the reaction mixing of 33mmol hexamethylenetetramine and 100ml deionized water
Solution, 2ml ammoniacal liquor is then added dropwise into reaction mixture, 30min is sufficiently stirred for, and is transferred into autoclave inner bag
In, then the FTO electro-conductive glass for being covered with ZnO Seed Layers is tilted and leaned against in autoclave inner bag, conductive face-down, good seal high pressure
Kettle, autoclave is put into and is warming up in 95 DEG C of baking oven, reacts 20h, has been reacted rear Temperature fall cooling, has been rushed repeatedly with distilled water
FTO electro-conductive glass is washed, layer of ZnO nano wire layer, as the first absorbed layer are grown on FTO electro-conductive glass；The growth there is ZnO
It is 24 hours in 0.4mM N719 ethanol solutions that the FTO electro-conductive glass of nano wire layer is soaked into molar concentration at room temperature, then
Use alcohol flushing surface；
Step 4, scattering layer is prepared
First, the WO that particle diameter is 300nm is taken3Particle, it is mixed with polyethylene glycol and terpinol, slurry is ultrasonically formed,
Make WO in slurry3The weight content of particle is 45%, and the weight content of polyethylene glycol is 10%；Then, the slurry is coated in
FTO conductive glass surfaces, in constant temperature 20min at constant temperature 10min at 370 DEG C, 430 DEG C, Temperature fall obtains scattering layer；
Step 5, the second absorbed layer is prepared
First, TiO is prepared2Particle slurry：
It is added dropwise acetic acid in titanium tetrachloride solution, the weight ratio of titanium tetrachloride and acetic acid is 4:1, then by titanium tetrachloride and
The mixed liquor of acetic acid is poured into the water that weight is 4.8 times of titanium tetrachloride consumption, and stirring produces precipitation；Weight is added for four chlorinations
The nitric acid that 0.05 times of titanium consumption, solves molten 60min at 80 DEG C, obtains the vitreosol of blueing light, and the vitreosol is put into titanium
In reactor, 24h is reacted at 250 DEG C, rotary evaporation, which is removed, adds film forming agent polyethylene glycol and dispersion solvent terpinol after water,
Obtain TiO2TiO in particle slurry, slurry2The weight content of particle is 15%, and the weight content of polyethylene glycol is 4.5%；
Then, by the TiO2Particle slurry is coated in the FTO conductive glass surfaces for preparing and having scattering layer, in dry at 130 DEG C
Dry 10min, then constant temperature 5min, constant temperature 10min at 440 DEG C at 390 DEG C, Temperature fall obtains the second absorbed layer, is this
The light anode of application.
It is 24 hours in 0.4mM N719 ethanol solutions that the good light anode soaking at room temperature of high temperature sintering, which is entered molar concentration, so
Alcohol flushing surface is used afterwards, drips the electrolyte that a upper dripping is got ready.With clip to electrode platinum (being prepared using electrochemistry) and light
Anode is clamped.Photovoltaic performance measurement can be carried out.
The electricity conversion of DSSC prepared by light anode in the present embodiment is used for 7.92%.
Embodiment 3
Step 1, FTO electro-conductive glass is cleaned
First, the FTO electro-conductive glass for reducing suitable dimension is put into ultrasound 20min in the liquid detergent solution of dilution, will washed
Clean smart solution is outwelled, and is spent example water and is rinsed glass surface, then FTO electro-conductive glass is put into example water ultrasonic
20min, then ultrasound 15min respectively is sequentially placed into acetone, ethanol, deionized water, dried up with nitrogen, it is stand-by；
Step 2, ZnO Seed Layers are prepared
First, the solution containing 0.05mol zinc acetates, 0.06mol diethanol amine and 100ml absolute ethyl alcohols, room temperature are configured
Magnetic agitation 10h in 60 DEG C of oil bath pan is put into after lower magnetic agitation 30min, Seed Layer solution is obtained, then will be clear in upper step
The FTO electro-conductive glass of wash clean is slowly immersed in the Seed Layer solution, stands 13s, and then slow to pull out, the rate of pulling is
0.1cm/s.The FTO electro-conductive glass lifted is placed in 65 DEG C of baking oven and dries 20min, then FTO electro-conductive glass is put
Enter 380 DEG C of annealing 2h in Muffle furnace, ZnO Seed Layers are obtained in FTO conductive glass surfaces；
Step 3, the first absorbed layer is prepared
Configure the ZnCl containing 33mmol2, the reaction mixing of 33mmol hexamethylenetetramine and 100ml deionized water
Solution, 2ml ammoniacal liquor is then added dropwise into reaction mixture, 30min is sufficiently stirred for, and is transferred into autoclave inner bag
In, then the FTO electro-conductive glass for being covered with ZnO Seed Layers is tilted and leaned against in autoclave inner bag, conductive face-down, good seal high pressure
Kettle, autoclave is put into and is warming up in 95 DEG C of baking oven, reacts 20h, has been reacted rear Temperature fall cooling, has been rushed repeatedly with distilled water
FTO electro-conductive glass is washed, layer of ZnO nano wire layer, as the first absorbed layer are grown on FTO electro-conductive glass；The growth there is ZnO
It is 24 hours in 0.4mM N719 ethanol solutions that the FTO electro-conductive glass of nano wire layer is soaked into molar concentration at room temperature, then
Use alcohol flushing surface；
Step 4, scattering layer is prepared
First, the WO that particle diameter is 400nm is taken3Particle, it is mixed with polyethylene glycol and terpinol, slurry is ultrasonically formed,
Make WO in slurry3The weight content of particle is 45%, and the weight content of polyethylene glycol is 10%；Then, the slurry is coated in
FTO conductive glass surfaces, in constant temperature 20min at constant temperature 10min at 370 DEG C, 430 DEG C, Temperature fall obtains scattering layer；
Step 5, the second absorbed layer is prepared
First, TiO is prepared2Particle slurry：
It is added dropwise acetic acid in titanium tetrachloride solution, the weight ratio of titanium tetrachloride and acetic acid is 4:1, then by titanium tetrachloride and
The mixed liquor of acetic acid is poured into the water that weight is 4.8 times of titanium tetrachloride consumption, and stirring produces precipitation；Weight is added for four chlorinations
The nitric acid that 0.05 times of titanium consumption, solves molten 60min at 80 DEG C, obtains the vitreosol of blueing light, and the vitreosol is put into titanium
In reactor, 24h is reacted at 250 DEG C, rotary evaporation, which is removed, adds film forming agent polyethylene glycol and dispersion solvent terpinol after water,
Obtain TiO2TiO in particle slurry, slurry2The weight content of particle is 15%, and the weight content of polyethylene glycol is 4.5%；
Then, by the TiO2Particle slurry is coated in the FTO conductive glass surfaces for preparing and having scattering layer, in dry at 130 DEG C
Dry 10min, then constant temperature 5min, constant temperature 10min at 440 DEG C at 390 DEG C, Temperature fall obtains the second absorbed layer, is this
The light anode of application.
It is 24 hours in 0.4mM N719 ethanol solutions that the good light anode soaking at room temperature of high temperature sintering, which is entered molar concentration, so
Alcohol flushing surface is used afterwards, drips the electrolyte that a upper dripping is got ready.With clip to electrode platinum (being prepared using electrochemistry) and light
Anode is clamped.Photovoltaic performance measurement can be carried out.
The electricity conversion of DSSC prepared by light anode in the present embodiment is used for 9.16%.
Embodiment 4
Step 1, FTO electro-conductive glass is cleaned
First, the FTO electro-conductive glass for reducing suitable dimension is put into ultrasound 20min in the liquid detergent solution of dilution, will washed
Clean smart solution is outwelled, and is spent example water and is rinsed glass surface, then FTO electro-conductive glass is put into example water ultrasonic
20min, then ultrasound 15min respectively is sequentially placed into acetone, ethanol, deionized water, dried up with nitrogen, it is stand-by；
Step 2, ZnO Seed Layers are prepared
First, the solution containing 0.05mol zinc acetates, 0.06mol diethanol amine and 100ml absolute ethyl alcohols, room temperature are configured
Magnetic agitation 10h in 60 DEG C of oil bath pan is put into after lower magnetic agitation 30min, Seed Layer solution is obtained, then will be clear in upper step
The FTO electro-conductive glass of wash clean is slowly immersed in the Seed Layer solution, stands 13s, and then slow to pull out, the rate of pulling is
0.1cm/s.The FTO electro-conductive glass lifted is placed in 65 DEG C of baking oven and dries 20min, then FTO electro-conductive glass is put
Enter 380 DEG C of annealing 2h in Muffle furnace, ZnO Seed Layers are obtained in FTO conductive glass surfaces；
Step 3, the first absorbed layer is prepared
Configure the ZnCl containing 33mmol2, the reaction mixing of 33mmol hexamethylenetetramine and 100ml deionized water
Solution, 2ml ammoniacal liquor is then added dropwise into reaction mixture, 30min is sufficiently stirred for, and is transferred into autoclave inner bag
In, then the FTO electro-conductive glass for being covered with ZnO Seed Layers is tilted and leaned against in autoclave inner bag, conductive face-down, good seal high pressure
Kettle, autoclave is put into and is warming up in 95 DEG C of baking oven, reacts 20h, has been reacted rear Temperature fall cooling, has been rushed repeatedly with distilled water
FTO electro-conductive glass is washed, layer of ZnO nano wire layer, as the first absorbed layer are grown on FTO electro-conductive glass；The growth there is ZnO
It is 24 hours in 0.4mM N719 ethanol solutions that the FTO electro-conductive glass of nano wire layer is soaked into molar concentration at room temperature, then
Use alcohol flushing surface；
Step 4, scattering layer is prepared
First, the WO that particle diameter is 500nm is taken3Particle, it is mixed with polyethylene glycol and terpinol, slurry is ultrasonically formed,
Make WO in slurry3The weight content of particle is 45%, and the weight content of polyethylene glycol is 10%；Then, the slurry is coated in
FTO conductive glass surfaces, in constant temperature 20min at constant temperature 10min at 370 DEG C, 430 DEG C, Temperature fall obtains scattering layer；
Step 5, the second absorbed layer is prepared
First, TiO is prepared2Particle slurry：
It is added dropwise acetic acid in titanium tetrachloride solution, the weight ratio of titanium tetrachloride and acetic acid is 4:1, then by titanium tetrachloride and
The mixed liquor of acetic acid is poured into the water that weight is 4.8 times of titanium tetrachloride consumption, and stirring produces precipitation；Weight is added for four chlorinations
The nitric acid that 0.05 times of titanium consumption, solves molten 60min at 80 DEG C, obtains the vitreosol of blueing light, and the vitreosol is put into titanium
In reactor, 24h is reacted at 250 DEG C, rotary evaporation, which is removed, adds film forming agent polyethylene glycol and dispersion solvent terpinol after water,
Obtain TiO2TiO in particle slurry, slurry2The weight content of particle is 15%, and the weight content of polyethylene glycol is 4.5%；
Then, by the TiO2Particle slurry is coated in the FTO conductive glass surfaces for preparing and having scattering layer, in dry at 130 DEG C
Dry 10min, then constant temperature 5min, constant temperature 10min at 440 DEG C at 390 DEG C, Temperature fall obtains the second absorbed layer, is this
The light anode of application.
It is 24 hours in 0.4mM N719 ethanol solutions that the good light anode soaking at room temperature of high temperature sintering, which is entered molar concentration, so
Alcohol flushing surface is used afterwards, drips the electrolyte that a upper dripping is got ready.With clip to electrode platinum (being prepared using electrochemistry) and light
Anode is clamped.Photovoltaic performance measurement can be carried out.
The electricity conversion of DSSC prepared by light anode in the present embodiment is used for 9.04%.
The preferred mode of the present invention is the foregoing is only, is not intended to limit the invention, all spiritual and originals in the present invention
Within then, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of solar cell based on composite nanostructure light anode, the solar cell is dye sensitization of solar electricity
Pond, the DSSC includes conductive substrates, light anode, dye sensitizing agent, electrolyte and to electrode, wherein, light
Anode is set with being arranged in conductive substrates and encapsulating relatively to electrode, and photoanode surface is adsorbed with dye sensitizing agent, is electrolysed
Matter is liquid electrolyte, is located at light anode and between electrode；Characterized in that, the light anode includes being sequentially arranged in conductive substrates
First absorbed layer, scattering layer, second absorbed layer on surface；Wherein, the first absorbed layer is ZnO nano-wire layer, and scattering layer is WO3
Granulosa, the second absorbed layer is TiO2Stratum granulosum.
2. solar cell according to claim 1, it is characterised in that the first absorbed layer, the absorption of the second absorbed layer are had illicit sexual relations
Material.
3. solar cell according to claim 2, it is characterised in that in the first absorbed layer, the ZnO nano-wire diameter
For 100nm, length is 10 μm.
4. solar cell according to claim 2, it is characterised in that in scattering layer, the scattering layer thickness is 5 μm,
The WO3Grain diameter is 200~500nm.
5. solar cell according to claim 2, it is characterised in that in the second absorbed layer, the second absorption thickness
Spend for 5 μm, the TiO2Grain diameter is 20nm.
6. the solar cell according to any one of claim 3,4,5, it is characterised in that the system of the light anode of the application
It is for process：
Step 1, FTO electro-conductive glass is cleaned
First, the FTO electro-conductive glass for reducing suitable dimension is put into ultrasound 20min in the liquid detergent solution of dilution, by liquid detergent
Solution outwell, spend example water rinse glass surface, FTO electro-conductive glass is then put into ultrasound 20min in example water, then
It is sequentially placed into acetone, ethanol, deionized water and distinguishes ultrasound 15min, is dried up with nitrogen, it is stand-by；
Step 2, ZnO Seed Layers are prepared
First, the solution containing 0.05mol zinc acetates, 0.06mol diethanol amine and 100ml absolute ethyl alcohols is configured, at room temperature magnetic
Magnetic agitation 10h in 60 DEG C of oil bath pan is put into after power stirring 30min, Seed Layer solution is obtained, then will clean dry in upper step
Net FTO electro-conductive glass is slowly immersed in the Seed Layer solution, stands 13s, and then slow to pull out, the rate of pulling is 0.1cm/s；
The FTO electro-conductive glass lifted is placed in 65 DEG C of baking oven and dries 20min, FTO electro-conductive glass is then put into Muffle furnace
In 380 DEG C annealing 2h, obtain ZnO Seed Layers in FTO conductive glass surfaces；
Step 3, the first absorbed layer is prepared
Configure the ZnCl containing 33mmol2, the reaction mixture of 33mmol hexamethylenetetramine and 100ml deionized water,
Then 2ml ammoniacal liquor is added dropwise into reaction mixture, 30min is sufficiently stirred for, is transferred into autoclave inner bag, then
The FTO electro-conductive glass for being covered with ZnO Seed Layers is tilted and leaned against in autoclave inner bag, conductive face-down, good seal autoclave, by height
Pressure kettle, which is put into, to be warming up in 95 DEG C of baking oven, reacts 20h, has been reacted rear Temperature fall cooling, has been rinsed FTO repeatedly with distilled water and lead
Electric glass, grows layer of ZnO nano wire layer, as the first absorbed layer on FTO electro-conductive glass；The growth there is ZnO nano-wire
The FTO electro-conductive glass of layer is soaked into the N719 ethanol solutions that molar concentration is 0.4mM 24 hours at room temperature, then uses ethanol
Rinse surface；
Step 4, scattering layer is prepared
First, the WO that particle diameter is 200~500nm is taken3Particle, it is mixed with polyethylene glycol and terpinol, slurry is ultrasonically formed,
Make WO in slurry3The weight content of particle is 45%, and the weight content of polyethylene glycol is 10%；Then, the slurry is coated in
FTO conductive glass surfaces, in constant temperature 20min at constant temperature 10min at 370 DEG C, 430 DEG C, Temperature fall obtains scattering layer；
Step 5, the second absorbed layer is prepared
First, TiO is prepared2Particle slurry：
It is added dropwise acetic acid in titanium tetrachloride solution, the weight ratio of titanium tetrachloride and acetic acid is 4:1, then by titanium tetrachloride and acetic acid
Mixed liquor pour into weight be 4.8 times of titanium tetrachloride consumption water in, stirring produce precipitation；Weight is added to use for titanium tetrachloride
The nitric acid of 0.05 times of amount, molten 60min is solved at 80 DEG C, the vitreosol of blueing light is obtained, and the vitreosol is put into titanium reaction
In kettle, 24h is reacted at 250 DEG C, rotary evaporation, which is removed, adds film forming agent polyethylene glycol and dispersion solvent terpinol after water, obtain
TiO2TiO in particle slurry, slurry2The weight content of particle is 15%, and the weight content of polyethylene glycol is 4.5%；
Then, by the TiO2Particle slurry is coated in the FTO conductive glass surfaces for preparing and having scattering layer, in dry at 130 DEG C
10min, then constant temperature 5min, constant temperature 10min at 440 DEG C at 390 DEG C, Temperature fall obtains the second absorbed layer, is this Shen
Light anode please.
7. solar cell according to claim 1, it is characterised in that the conductive substrates are FTO electro-conductive glass.
8. solar cell according to claim 7, it is characterised in that this pair of electrode is in conductive substrates surface printing platinum
Electrode formation.
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| CN108400535A (en) * | 2018-03-01 | 2018-08-14 | 深圳众厉电力科技有限公司 | Distributed board outdoor with solar power generation function |
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| CN108652403A (en) * | 2018-05-14 | 2018-10-16 | 黄嘉坚 | A kind of solar energy intelligence window shade |
| CN112509815A (en) * | 2019-09-16 | 2021-03-16 | 成功大学 | Double-sided light-receiving type dye-sensitized solar cell |
| CN112509815B (en) * | 2019-09-16 | 2022-06-10 | 成功大学 | Double-sided light-receiving type dye-sensitized solar cell |
| CN110890223A (en) * | 2019-12-12 | 2020-03-17 | 南昌航空大学 | Preparation method of dye-sensitized solar cell with double-layer tin oxide structure photo-anode |
| CN115083787A (en) * | 2022-06-23 | 2022-09-20 | 南京邮电大学 | Ultrathin oxide modified semiconductor electrode and preparation method thereof |
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