CN104900944B - A kind of Photoelectrochemistry based on three-dimensional manometer silver oxide electrode - Google Patents
A kind of Photoelectrochemistry based on three-dimensional manometer silver oxide electrode Download PDFInfo
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- CN104900944B CN104900944B CN201510181364.9A CN201510181364A CN104900944B CN 104900944 B CN104900944 B CN 104900944B CN 201510181364 A CN201510181364 A CN 201510181364A CN 104900944 B CN104900944 B CN 104900944B
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- silver oxide
- silver
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- photoelectrochemistry
- dimensional manometer
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- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 229910001923 silver oxide Inorganic materials 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000000243 solution Substances 0.000 claims description 33
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000008367 deionised water Substances 0.000 claims description 15
- 229910021641 deionized water Inorganic materials 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 10
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 9
- 150000002500 ions Chemical class 0.000 claims description 9
- 229910052709 silver Inorganic materials 0.000 claims description 9
- 239000004332 silver Substances 0.000 claims description 9
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 8
- 239000004094 surface-active agent Substances 0.000 claims description 8
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 7
- 229920000570 polyether Polymers 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000001338 self-assembly Methods 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims 2
- 229920000428 triblock copolymer Polymers 0.000 claims 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims 1
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 229920002415 Pluronic P-123 Polymers 0.000 claims 1
- 238000005498 polishing Methods 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 claims 1
- 239000000047 product Substances 0.000 claims 1
- 239000001294 propane Substances 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 229910002804 graphite Inorganic materials 0.000 abstract description 7
- 239000010439 graphite Substances 0.000 abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000008151 electrolyte solution Substances 0.000 abstract description 4
- 238000007540 photo-reduction reaction Methods 0.000 abstract description 4
- 238000006479 redox reaction Methods 0.000 abstract description 4
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 230000005693 optoelectronics Effects 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000006722 reduction reaction Methods 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000005622 photoelectricity Effects 0.000 description 4
- 229910052724 xenon Inorganic materials 0.000 description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- KHJDQHIZCZTCAE-UHFFFAOYSA-N oxosilver;silver Chemical group [Ag].[Ag]=O KHJDQHIZCZTCAE-UHFFFAOYSA-N 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- NGBNXJUWQPLNGM-UHFFFAOYSA-N silver;azane Chemical compound N.[Ag+] NGBNXJUWQPLNGM-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M14/00—Electrochemical current or voltage generators not provided for in groups H01M6/00 - H01M12/00; Manufacture thereof
- H01M14/005—Photoelectrochemical storage cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
-
- 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 present invention relates to a kind of each method processed of Photoelectrochemistry, the method for the solar cell of specifically a kind of redox reaction prepared based on silver oxide and photoreduction belongs to technical field of solar cell manufacturing.Three-dimensional manometer silver oxide electrode, graphite electrode and ammonium nitrate electrolyte solution are contacted two-by-two, and silver oxide optoelectronic pole obtains electron reduction under solar irradiation effect, is then oxidized under Effect of Dissolved Oxygen in the electrolytic solution, realizes electron transmission.Silver oxide light anode, graphite electrode and electrolyte solution are collectively forming Photoelectrochemistry.This chemical device for converting solar energy with new structure that the present invention is provided, is to be mixed by traditional chemical battery and photochemical cell, and have two kinds of features of battery simultaneously, with open-circuit voltage stabilization, the characteristics of photoelectric transformation efficiency is high.
Description
Technical field
The present invention relates to a kind of Photoelectrochemistry, specifically a kind of redox reaction based on silver oxide
With the preparation method of the solar cell of photoreduction, belong to technical field of new energies.
Background technology
Due to the global energy shortage crisis and deterioration of ecological environment, the equal active development in countries in the world and renewable energy is utilized
Source, so that energy supply and demand contradiction is solved, transition of readjusting the energy structure.Wherein, turned into its exclusive advantage can be again for solar energy
The focus of the raw energy, because, solar energy is most to clean cheap direct energy source, and continuous-stable.Contain in solar energy
Energy is huge, is only emitted onto the solar energy of earth's surface 0.1% and is calculated with conversion ratio 5%, annual average power generation be up to 5.6 ×
1012Kilowatt-hour, equivalent to 40 times of our times energy-output ratio.Thus solar energy is considered as neutralizing energy crisis, resistance
The only optimal solution route of the deterioration of the ecological environment.Solar energy can be converted directly into electricity by solar cell using photoelectric conversion technique
Can, it is the most effective mode for using solar energy.At present, solar cell due to being more expensive to manufacture, photoelectric transformation efficiency it is low, thus
Its application is restricted, but its advantage and fossil energy it is exhausted promote again people constantly look for it is inexpensive, efficient too
Positive energy battery material.
The solar cell of current most study has silicon solar cell, compound semiconductor solar cell and chemistry too
Positive energy battery.Chemical solar cell is the solar cell of new generation developed after the nineties in 20th century, with its it is potential it is low into
Originally, the advantage such as relatively simple manufacture craft and technology has won extensive attention, but in electrode material, sensitizer and electrolyte
Also there is a series of problems with preparing etc. in selection, constrain further carrying for chemical conversion efficiency of solar cell and stability
It is high.Patent CN201310731417.0 discloses one kind, uses Cu3SnS4/Cu2SnSe3Hybrid Photocathode uses it for the chemical sun
Energy electrode, it is found that its specific surface area is big, is catalyzed and conducts electricity very well, and low production cost is adapted to Photoelectrochemistry
Industrialization production；Patent CN201010240697.1 discloses a kind of photochemistry solar cell with needle electrode and its system
Method is made, mainly by the bigger serface of needle electrode, more dyestuffs is adsorbed, electronic conduction rate is improved, and then lifted
Photoelectric current and photoelectric transformation efficiency；Patent CN201310403078.3 discloses a kind of PbS/ITO films based photoelectrochemicalcell sun
Energy battery, simplifies the preparation method of CBD.
Generally speaking, the research at present for chemical solar cell is also confined to Nano semiconductor and photosensitive dye
Selection and optimization, and in the improvement of the form and structure of battery, for the improvement of the chemism of solar cell
What is be related to is few, particularly breaks through the pattern of original Nano semiconductor plus sensitizing dyestuff, and photoelectricity is realized with new alternative reaction
The research of conversion has not been reported.
The content of the invention
The present invention be in view of the above-mentioned problems in the prior art and make, it is an object of the invention to design one kind
Worked with new photoelectric conversion pattern, the Photoelectrochemistry based on three-dimensional manometer silver oxide electrode.Mainly
It is that electron reduction is obtained under solar irradiation effect based on silver oxide optoelectronic pole, then in the electrolytic solution under Effect of Dissolved Oxygen by oxygen
Change, realize the principle realization of electron transmission.The silver oxide of bulky grain degree is difficult to by thorough photo-reduction, follow-up oxidation reaction
It is not susceptible to；3-D nano, structure silver oxide-silver structure is only built, quantum effect can be just made full use of, strengthens reactivity,
The Reversible redox reaction of silver oxide-silver is set smoothly to realize.
To achieve these goals, the first technical scheme of the invention, the preparation method of three-dimensional manometer silver oxide Optical Electro-Chemistry,
Characterized in that, its preparation process is：
1) it is more than 99.5% to choose purity, and thickness is high-purity titanium plate of 0.1~1.0mm, successively with waterproof abrasive paper and metallographic
Sand papering, is then placed in the sodium hydroxide solution that mass concentration is 40% and soaks 30 minutes；After with deionized water rinsing,
It is placed in the sulfuric acid and nitric acid mixed solution of 1: 1 (volume ratio), is etched 1 hour at 60 DEG C；It is washed with deionized water again only, is put into
Mass concentration be 15% oxalic acid solution in process 2 hours, formed grey pitted skin titanium-base, deionized water rinsing is used after taking-up
It is clean standby or be put into absolute ethyl alcohol and preserve；
2) weigh during a certain amount of silver nitrate is dissolved in deionized water and be configured to the solution that concentration is 0.25~5.0mol/L,
In the solution in mass ratio 1%~10% ratio add block polyether surfactant, then while being stirred vigorously by
The ratio of mass ratio 5%~15% is added dropwise the ammoniacal liquor that mass percent concentration is 25% and is formed has three-dimensional manometer self assembly ability
Silver ammino ion solution；
3) titanium-base is soaked in silver ammino ion solution, with NaOH solution that mass concentration is 20% adjust pH value to
8.5, during pitted skin titanium-base and silver ammino ion solution then moved entirely into the self-generated pressure kettle with polytetrafluoroethyllining lining, put
In baking oven at 120 DEG C hydro-thermal process 8 hours, take out titanium-base simultaneously rinse the uneven attachment in surface repeatedly with deionized water
Silver oxide particle and impurity, dry naturally, and are dried 3 hours at 120 DEG C, obtain final product three-dimensional manometer silver oxide electrode.
Second technical scheme of the invention, the structure of three-dimensional manometer silver oxide Photoelectrochemistry, in the first skill
On the basis of art scheme, further, propose three-dimensional manometer silver oxide electrode by encapsulation and wire Joining Technology, be allowed to make
It is light anode working electrode, in addition from the graphite electrode composition bipolar electrode system of homalographic, by light anode and graphite electrode point
It is not placed in containing mass concentration in the anode chamber and the cathode chamber of the ammonium nitrate solution quartz electrolytic cell of 0.5mol/L, to be assembled into Optical Electro-Chemistry
Battery；
3rd technical scheme of the invention, the photoelectricity test of three-dimensional manometer silver oxide Photoelectrochemistry,
On the basis of two technical schemes, further, prepared three-dimensional manometer silver oxide Photoelectrochemistry is carried out
The test of photoelectric conversion performance；Using 500W xenon lamps as incident light source simulated solar parallel light incident state, xenon lamp transmitting
Wave-length coverage is 350~2000nm, incident intensity 85mW/cm2；Three-dimensional manometer silver oxide Photoelectrochemistry is connected
Electrochemical workstation or potentiostat are connect, the current -voltage curve test under dark-state and bright state is carried out.
Beneficial effect
1. the present invention uses self assembled three-dimensional nano-electrode constructing technology with low cost, environment-friendly, easy to operate, leads to
Design reaction system is crossed, the three-dimensional manometer silver oxide optoelectronic pole with regular pattern of fixed-area can be quickly prepared, can
Realize industrialized production；
2. the three-dimensional manometer silver oxide Photoelectrochemistry superior performance that prepared by the present invention, turns with photoelectricity high
Change efficiency and open-circuit voltage.
3. the present invention proposes the photocell developing thought based on silver oxide redox reaction and photoreduction,
For the development field of solar photocell opens new study route and research method.
Brief description of the drawings
Fig. 1 is the structural representation of three-dimensional manometer silver oxide Photoelectrochemistry, in figure：1- three-dimensional manometers are aoxidized
Silver electrode；2- graphite electrodes；3- light sources；4- ammonium nitrate electrolyte；5- potential difference meters；
Fig. 2 is the scanning electron micrographs of three-dimensional manometer silver oxide electrode；
Fig. 3 is that photoelectric respone of the three-dimensional manometer silver oxide Photoelectrochemistry under simulated solar light irradiation is bent
Line.
Specific embodiment
To make the object of the invention, technical scheme, advantage clearer, specific embodiment of the invention is carried out in detail
Description.
First embodiment
It is more than 99.5% to choose purity, and thickness is high-purity titanium plate of 0.1mm, is beaten with waterproof abrasive paper and abrasive paper for metallograph successively
Mill, is then placed in the sodium hydroxide solution that mass concentration is 40% and soaks 30 minutes；After with deionized water rinsing, 1 is placed in:
Etched 1 hour at 60 DEG C in 1 (volume ratio) sulfuric acid and nitric acid mixed solution；It is washed with deionized water again only, being put into mass concentration is
Processed 2 hours in 15% oxalic acid solution, form the titanium-base of grey pitted skin, rinsed well with deionized water after taking-up, weighed
A certain amount of silver nitrate is configured to the solution that concentration is 0.25mol/L in being dissolved in deionized water, in mass ratio 1% in the solution
Ratio add block polyether surfactant, then while being stirred vigorously in mass ratio 5% ratio be added dropwise quality hundred
Divide the ammoniacal liquor that specific concentration is 25% to form the silver ammino ion solution with three-dimensional manometer self assembly ability, titanium-base is soaked in
In silver ammino ion solution, pH value is adjusted to 8.5 with the NaOH solution that mass concentration is 20%, then by pitted skin titanium-base and silver
Ammonium complex ion solution is moved entirely into the self-generated pressure kettle with polytetrafluoroethyllining lining, is placed in baking oven at hydro-thermal at 120 DEG C
Reason 8 hours, is taken out titanium-base and is rinsed the silver oxide particle and impurity of the uneven attachment in surface repeatedly with deionized water, is dried in the air naturally
It is dry, and dried 3 hours at 120 DEG C, obtain final product three-dimensional manometer silver oxide electrode；
Second embodiment
By three-dimensional manometer silver oxide electrode by encapsulation and wire Joining Technology, it is allowed to as light anode working electrode, separately
The graphite electrode composition bipolar electrode system of outer selection homalographic, light anode is respectively placed in graphite electrode is containing mass concentration
In the anode chamber and the cathode chamber of the ammonium nitrate solution quartz electrolytic cell of 0.5mol/L, photoelectrochemical cell is assembled into；
Embodiment three
The test of photoelectric conversion performance has been carried out to prepared three-dimensional manometer silver oxide Photoelectrochemistry；Adopt
With 500W xenon lamps as incident light source simulated solar parallel light incident state, the xenon lamp launch wavelength scope is 350~2000nm,
Incident intensity 85mW/cm2；Three-dimensional manometer silver oxide Photoelectrochemistry is connected into electrochemical workstation or constant potential
Instrument, carries out the current -voltage curve test under dark-state and bright state, and potential scanning speed is 10mV/s；Made battery has sensitive
Photoelectric response characteristic, density of photocurrent is 30mA/cm2, open-circuit voltage is 580mV, and phototranstormation efficiency is about 2.7%.
Fourth embodiment
Fourth embodiment is the variation of first embodiment, is that titanium plate thickness is 1.0mm with the difference of first embodiment,
Silver nitrate solution concentration is 5.0mol/L, and the addition mass ratio of block polyether surfactant is 10%, and the matter of ammoniacal liquor is added dropwise
Amount ratio is 15%, and it is packaged and detected in the method for embodiment two and embodiment three, and other conditions are identical, herein not
Repeat.Under solar irradiation, the density of photocurrent of three-dimensional manometer silver oxide Photoelectrochemistry is 65mA/cm2, open
Road voltage is 444mV, and phototranstormation efficiency is about 1.6%.
5th embodiment
5th embodiment is the variation of first embodiment, is that titanium plate thickness is 0.5mm with the difference of first embodiment,
Silver nitrate solution concentration is 2.5mol/L, and the addition mass ratio of block polyether surfactant is 5.2%, and the matter of ammoniacal liquor is added dropwise
Amount ratio is 10%, and other conditions are identical.Under solar irradiation, the photoelectricity of three-dimensional manometer silver oxide Photoelectrochemistry
Current density is 45mA/cm2, open-circuit voltage is 329mV, and phototranstormation efficiency is about 1.5%.
5th embodiment
5th embodiment is the variation of first embodiment, is that titanium plate thickness is 0.7mm with the difference of first embodiment,
Silver nitrate solution concentration is 1.7mol/L, and the addition mass ratio of block polyether surfactant is 3.3%, and the matter of ammoniacal liquor is added dropwise
Amount ratio is 8.2%, and other conditions are identical.Under solar irradiation, the light of three-dimensional manometer silver oxide Photoelectrochemistry
Current density is 57mA/cm2, open-circuit voltage is 226mV, and phototranstormation efficiency is about 0.8%.
Above-described specific embodiment is only used for illustrating spirit of the invention, and protection scope of the present invention is not
This is confined to, to those of ordinary skill in the art, can be led to according to technology contents disclosed in this specification certainly
The mode for crossing change, displacement or modification makes other implementation methods easily, and these other implementation methods should all cover at this
Within the protection domain of invention.
Claims (4)
1. a kind of three-dimensional manometer silver oxide Photoelectrochemistry, it is characterised in that the important component of the battery, three
Wiener rice silver oxide electrode preparation process be：
1) it is more than 99.5% to choose purity, and thickness is high-purity titanium plate of 0.1~1.0mm, successively with waterproof abrasive paper and abrasive paper for metallograph
Polishing, is then placed in the sodium hydroxide solution that mass concentration is 40% and soaks 30 minutes；After with deionized water rinsing, it is placed in
In the sulfuric acid and nitric acid mixed solution of volume ratio 1: 1, etched 1 hour at 60 DEG C；It is washed with deionized water again only, is put into quality dense
Spend in the oxalic acid solution for 15% and process 2 hours, form the titanium-base of grey pitted skin, rinsed well with deionized water after taking-up standby
With or be put into absolute ethyl alcohol and preserve；
2) weigh during a certain amount of silver nitrate is dissolved in deionized water and be configured to the silver nitrate solution that concentration is 0.25~5.0mol/L,
Block is added to gather in the ratio that the mass ratio of block polyether surfactant/silver nitrate solution is 1%~10% in the solution
Ether surface active agent, is then dripped while being stirred vigorously in the ratio that the mass ratio of ammoniacal liquor/silver nitrate solution is 5%~15%
Plus the ammoniacal liquor that mass percent concentration is 25% forms the silver ammino ion solution with three-dimensional manometer self assembly ability；
3) titanium-base is soaked in silver ammino ion solution, adjusts pH value to 8.5 with the NaOH solution that mass concentration is 20%, so
During pitted skin titanium-base and silver ammino ion solution moved entirely into the self-generated pressure kettle with polytetrafluoroethyllining lining afterwards, baking oven is placed in
In at 120 DEG C hydro-thermal process 8 hours, take out titanium-base and rinse the silver oxide of the uneven attachment in surface repeatedly with deionized water
Particle and impurity, dry naturally, and are dried 3 hours at 120 DEG C, obtain final product three-dimensional manometer silver oxide electrode.
2. a kind of three-dimensional manometer silver oxide Photoelectrochemistry according to claim 1, it is characterised in that：Step
The molar concentration of silver nitrate solution described in 2 is 0.25~5.0mol/L.
3. a kind of three-dimensional manometer silver oxide Photoelectrochemistry according to claim 1, it is characterised in that：Step
Block polyether surfactant described in 2 is the triblock copolymer of PEO-PPOX-PEO, its
The degree of polymerization of ethylene oxide and expoxy propane is respectively 20,70,20, i.e. PEO-PPOX-PEO
Triblock copolymer, the product designation Pluronic-P123 of correspondence Germany BASF.
4. a kind of three-dimensional manometer silver oxide Photoelectrochemistry according to claim 1, it is characterised in that：Step
The mass concentration of ammoniacal liquor described in 2 is 5%~15%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510181364.9A CN104900944B (en) | 2015-04-17 | 2015-04-17 | A kind of Photoelectrochemistry based on three-dimensional manometer silver oxide electrode |
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| CN201510181364.9A CN104900944B (en) | 2015-04-17 | 2015-04-17 | A kind of Photoelectrochemistry based on three-dimensional manometer silver oxide electrode |
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| CN104900944B true CN104900944B (en) | 2017-06-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002270861A (en) * | 2001-03-08 | 2002-09-20 | Ricoh Co Ltd | Light function film and light function element using the same |
| CN102509620A (en) * | 2011-10-14 | 2012-06-20 | 北京理工大学 | Method for preparing quantum dot sensitized titanium oxide nanotube photoelectrochemical cell |
| CN102659224A (en) * | 2012-05-30 | 2012-09-12 | 北京师范大学 | Preparation method and application of nano coated electrode |
| CN103602945A (en) * | 2013-11-15 | 2014-02-26 | 许昌学院 | Method for synthesizing silver oxide semiconductor thin-film material through room temperature in-situ control |
| CN103611531A (en) * | 2013-12-16 | 2014-03-05 | 长春工业大学 | Preparation method and application of silver oxide/titanium dioxide composite nanofiber photocatalyst |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002270861A (en) * | 2001-03-08 | 2002-09-20 | Ricoh Co Ltd | Light function film and light function element using the same |
| CN102509620A (en) * | 2011-10-14 | 2012-06-20 | 北京理工大学 | Method for preparing quantum dot sensitized titanium oxide nanotube photoelectrochemical cell |
| CN102659224A (en) * | 2012-05-30 | 2012-09-12 | 北京师范大学 | Preparation method and application of nano coated electrode |
| CN103602945A (en) * | 2013-11-15 | 2014-02-26 | 许昌学院 | Method for synthesizing silver oxide semiconductor thin-film material through room temperature in-situ control |
| CN103611531A (en) * | 2013-12-16 | 2014-03-05 | 长春工业大学 | Preparation method and application of silver oxide/titanium dioxide composite nanofiber photocatalyst |
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