CN110004456A - A kind of photoelectrocatalysis complete solution water installations integrating carbon-based plane perovskite solar cell - Google Patents
A kind of photoelectrocatalysis complete solution water installations integrating carbon-based plane perovskite solar cell Download PDFInfo
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Abstract
A kind of photoelectrocatalysis complete solution water installations integrating carbon-based plane perovskite solar cell, belong to photo-electrocatalytic technology field, are applied to complete solution water hydrogen manufacturing under illumination.Device primary structure includes carbon-based plane perovskite solar cell, light anode, to electrode, electrolyte, reaction tank, light source, conducting wire.Carbon-based plane perovskite solar cell provided by the invention, using planar structure, preparation method is simple, it uses fullerene or fullerene derivate as electron transfer layer, stablizes, it can low temperature preparation, using carbon as hole transport layer material and electrode material, reduces cost while improving stability test.The present invention also proposes a kind of method that load produces oxygen co-catalyst in pucherite light anode, and using infusion process, method is simple, can accelerate to produce oxygen kinetics, improve separation of charge efficiency, enhance light anode PhotoelectrocatalytiPerformance Performance.
Description
Technical field
The invention belongs to photo-electrocatalytic technology fields, and in particular to a kind of light for integrating carbon-based plane perovskite solar cell
Electro-catalysis complete solution water installations and application.
Background technique
It while social economy's fast development, produces and consumes a large amount of fossil fuel, in recent years, tradition is non-renewable
Fossil energy gradually faces exhaustion, and the problem of environmental pollutions such as atmosphere pollution, water pollution are increasingly severe, therefore, in order to cope with energy
Exploitation Novel clean renewable energy is badly in need of in the challenge in source and environmental problem.In numerous new energy, Hydrogen Energy and solar energy are many
Well known clean energy resource.Hydrogen Energy combustion heat value is high, product is clean, and can be made by water Direct Electrolysis.
However, voltage needed for Direct Electrolysis water is high, a large amount of electric energy are consumed.In recent years, based on the photocatalysis Decomposition of semiconductor
Water technology because its using solar energy, reaction condition is mild, preparation process is simple the advantages that largely paid close attention to and studied.However,
There is traditional powder catalysis material catalyst to be difficult to recycle, photo-generate electron-hole is lacked to easily compound, quantum efficiency is low etc.
Point.That is, on the basis of light-catalysed electrode is made in catalysis material by photo-electrocatalytic technology, is mentioned by the bias that outside applies
The separative efficiency of high photoproduction electron-hole pair, and then improve photocatalysis efficiency.It is decomposed using light anode made of catalysis material
Water, the bias applied needed for can substantially reducing.Wherein, pucherite (BiVO4) as a kind of band gap be only 2.4eV semiconductor,
It is a kind of optical anode material with good visible light-responded ability.However, BiVO4There are water oxidation kinetics is slow, photoproduction
Therefore the easily compound disadvantage of electron-hole pair to enhance its PhotoelectrocatalytiPerformance Performance, can produce the plan of oxygen co-catalyst by load
Its water oxidation kinetics fast slightly, improves separation of charge efficiency, and then enhance its PhotoelectrocatalytiPerformance Performance as light anode.
Further, integrated solar cell can fully achieve the conversion of solar energy to Hydrogen Energy to provide bias, without
Other energy of external input.In recent years, perovskite solar cell had open-circuit voltage as a kind of novel thin film solar cell
High advantage, unijunction perovskite solar cell can provide bias needed for photoelectrocatalysis decomposes water.But traditional perovskite sun
Battery uses meso-hole structure, and preparation process is complicated, needs high-temperature calcination, using metal electrode, needs to be added labile hole
Transport layer Spiro-OMeTAD, stability are poor.In recent years, planar structure perovskite solar cell due to its preparation process it is simple
By numerous studies.In addition, there are also researchers to develop carbon electrode, substituted metal electrode and hole transmission layer, calcium titanium is improved
The stability of mine solar cell.Stablize in addition, fullerene and its derivative have, can low temperature preparation the advantages of, be applied to plane
Electron transfer layer in perovskite solar cell is by numerous studies.
Therefore, the photoelectrocatalysis complete solution water installations of carbon-based plane perovskite solar cell are integrated, are realized completely by solar energy
Photoelectrocatalysis as sole energy source decomposes water, is a kind of feasible scheme.
Summary of the invention
The purpose of the present invention is to provide a kind of photoelectrocatalysis complete solution water dresses for integrating carbon-based plane perovskite solar cell
It sets, is applied to complete solution water hydrogen manufacturing under illumination.Driven by Solar Energy is fully utilized in device, is not necessarily to additional power source, clean and environmental protection.
The photoelectrocatalysis complete solution water installations provided by the invention for integrating carbon-based plane perovskite solar cell, mainly by following
Part is constituted: carbon-based plane perovskite solar cell, light anode, to electrode, electrolyte, reaction tank, light source, conducting wire；The device
Middle light anode is put into reaction tank in electrolyte, is located at upper top, as big as possible receives illumination, and light is first irradiated to light anode
On, the carbon-based plane perovskite solar cell of the lower part in lower part outside reaction tank or reaction tank is mapped to through the illumination of light anode
On；The anode of carbon-based plane perovskite solar cell connects light anode by conducting wire, and cathode is connected by conducting wire to electrode, light sun
Pole with to electrode while immersed in access is constituted in the electrolyte of reaction tank, oxygen is produced in light anode, hydrogen is produced on to electrode；Instead
Ying Chi is made of translucent material, and the conducting wire of carbon-based plane perovskite solar cell and exposure is encapsulated with epoxy resin with exclusion of water；
The light anode is that load has the composite material light anode for producing oxygen co-catalyst in pucherite light anode, and the production oxygen helps
Catalyst is selected from one or more of cobalt hydroxide, Kocide SD, nickel hydroxide etc..
Photo-anode film prepared by the present invention is with a thickness of 150~300nm.
Carbon-based plane perovskite solar cell provided by the invention, battery structure are plane stepped construction, and wherein electronics passes
Defeated layer is fullerene or fullerene derivate, and perovskite light-absorption layer is ABX3The material of structure, wherein A is selected from CH3NH3 +、CH3
(NH2)2 +、Cs+One or more of, B is selected from Pb2 +、Sn2 +、Ge2 +One or more of, X is selected from Cl-、Br-、I-In one
Kind is several, using carbon as hole transport layer material and electrode material.
It is provided by the invention that graphite electrode, platinum electrode, foam nickel electrode are selected to electrode.
Electrolyte provided by the invention is the aqueous solution containing conductive ion, and preferably borate buffer solution, phosphoric acid buffer is molten
Liquid, metabisulfite solution, concentration are 0.5~1.5M, and pH is adjusted to 6.5~9.5.
Light anode provided by the invention, which is characterized in that it is specific the preparation method is as follows:
(1) pucherite light anode is prepared first, and electrodeposition process is used to prepare BiOI on FTO electro-conductive glass as the source Bi.
Washed dose of FTO electro-conductive glass, deionized water, isopropanol successively supersound washing are used to deposit BiOI after dry；For electro-deposition
BiOI prepares electrolyte, and electrodeposition process is carried out using three-electrode system, using ready FTO electro-conductive glass as working electrode,
Platinum electrode is to electrode, and silver-silver chloride electrode is reference electrode, is immersed in the electrolyte of preparation, and -0.5~0.5V is applied
The voltage of vs.Ag/AgCl, continues 1~10min, and one layer of BiOI of uniform deposition, then uses deionized water on FTO electro-conductive glass
It is successively rinsed with ethyl alcohol, it is dry；
Electrolyte are as follows: every 2.5~4.5g KI and 0.5~1.15g Bi (NO3)2·5H2O is dissolved in 50mL deionized water
In, then with a few drop HNO3Adjust pH to 1.5~2；In addition, every 0.5~1.5g 1,4-benzoquinone is dissolved into 20mL ethyl alcohol.By two kinds
Solution is mixed by the volume ratio that 50mL deionized water corresponds to 20mL ethyl alcohol, stirs 20~60min, stand-by as electrolyte.
(2) excessive 0.1~0.5M VO (acac) is added dropwise on the FTO electro-conductive glass for being deposited with BiOI2DMSO it is molten
Liquid；And it is kept into 400~600 DEG C of calcinings 1~5h, BiOI and VO with 1~5 DEG C/min heating rate in Muffle furnace
(acac)2Reaction, is converted into target product BiVO4；
(3) by calcined BiVO4Film impregnates 20~40min in 0.5~1.5M NaOH solution, and adds stirring, to
Washing removes excessive vanadium source in BiVO4The by-product V of Surface Creation2O5, it is then, dry with deionized water cleaning down, it obtains
Pure BiVO4Light anode；
(4) oxygen co-catalyst, the pure BiVO that will be prepared then are produced using infusion process load4Light anode is containing one
Determining soaking at room temperature in the solution for producing the corresponding metal ion of oxygen co-catalyst of concentration, for a period of time, deionized water washing is dry,
Obtain the pucherite light anode that load produces oxygen co-catalyst.
The solution provided by the invention for producing the corresponding metal ion of oxygen co-catalyst be selected from cobalt nitrate, cobalt chloride, copper nitrate,
Copper chloride, nickel nitrate, nickel chloride solution.
The concentration of the solution provided by the invention for producing the corresponding metal ion of oxygen co-catalyst is 1~10mM.
Pure BiVO in the present invention4Photo-anode film soaking time in the solution for producing the corresponding metal ion of oxygen co-catalyst
For 1~20h.
The photoelectrocatalysis complete solution water installations provided by the invention for integrating carbon-based plane perovskite solar cell are applied to illumination
Lower complete solution water hydrogen manufacturing, light source are sunlight or simulated solar irradiation.
Compared with prior art, the invention has the following advantages that
(1) the photoelectrocatalysis complete solution water installations provided by the present invention for integrating carbon-based plane perovskite solar cell use
Solar cell provides bias, and photoproduction electric drive to external circuit in light anode is reached to electrode, electron-hole pair point is promoted
From enhancing PhotoelectrocatalytiPerformance Performance produces oxygen in light anode, hydrogen is produced on to electrode, realizes complete solution water.Device and method are simply easy
Operation, has excellent performance, stablizes, controllability is strong.
(2) the photoelectrocatalysis complete solution water installations provided by the present invention for integrating carbon-based plane perovskite solar cell, energy
Exclusive source is solar energy, and using laminated construction, ultraviolet light and some visible light are absorbed by top layer light anode, and the part of transmission can
Light-exposed and part infrared light is absorbed by bottom solar cell, makes full use of solar energy, and device is recyclable, reuses, energy-saving ring
It protects.
(3) carbon-based plane perovskite solar cell provided by the present invention, using planar structure, preparation method is simple, uses
Fullerene or fullerene derivate are stablized as electron transfer layer, can low temperature preparation, using carbon as hole transport layer material with it is electric
Pole material reduces cost while improving stability test, and perovskite solar cell has more compared to traditional silicon solar cell
High voltage, single junction cell can provide enough biass and realize decomposition water for light anode.
(4) present invention also proposes a kind of method that load produces oxygen co-catalyst in pucherite light anode, using infusion process,
Method is simple, can accelerate to produce oxygen kinetics, improve separation of charge efficiency, enhance the PhotoelectrocatalytiPerformance Performance of light anode.
(5) it is steady that the pucherite light anode of the load production oxygen co-catalyst prepared using method provided by the invention has material
Advantage fixed, environmentally friendly, PhotoelectrocatalytiPerformance Performance is high.
Detailed description of the invention
The photoelectrocatalysis complete solution water installations schematic diagram of carbon-based plane perovskite solar cell is integrated in Fig. 1, embodiment 1.
Cobalt hydroxide/pucherite light anode flat scanning electron microscope in Fig. 2, embodiment 1.
Cobalt hydroxide/pucherite light anode profile scanning electron microscope in Fig. 3, embodiment 1.
Cobalt hydroxide/pucherite light anode linear sweep voltammetry curve graph in Fig. 4, embodiment 1.
The H of photoelectricity complete solution water installations in Fig. 5, embodiment 12Or O2Yield-time graph and faradic efficiency figure.
Kocide SD/pucherite light anode linear sweep voltammetry curve graph in Fig. 6, embodiment 2.
The H of photoelectricity complete solution water installations in Fig. 7, embodiment 22Or O2Yield-time graph and faradic efficiency figure.
Nickel hydroxide/pucherite light anode linear sweep voltammetry curve graph in Fig. 8, embodiment 3.
The H of photoelectricity complete solution water installations in Fig. 9, embodiment 32Or O2Yield-time graph and faradic efficiency figure.
Below in conjunction with attached drawing and example, the invention will be further described.
Specific embodiment
Below with reference to embodiment, the present invention will be further described, but the present invention is not limited to following embodiments.
Embodiment 1
It is as shown in Figure 1 the photoelectrocatalysis complete solution water installations schematic diagram for integrating carbon-based plane perovskite solar cell, it is carbon-based
Plane perovskite solar cell provides bias to reaction system in reaction tank.Carbon-based plane perovskite sun electricity is connected with conducting wire
Pond, cobalt hydroxide/pucherite light anode and platinum are to electrode, light anode and to electrode while immersed in structure in the electrolyte of reaction tank
At circuit, the anode of carbon-based plane perovskite solar cell, the i.e. carbon electrode of battery connect light anode, produce oxygen, carbon on it
The cathode of base plane perovskite solar cell, i.e. one pole of FTO electro-conductive glass of battery, connection platinum is to electrode, hydrogen producing on it,
Electrolyte chooses 1.0M borate buffer solution, and pH is adjusted to 9.1, and reaction tank is made of translucent material, and carbon-based plane perovskite is too
The conducting wire of positive electricity pond and exposure is encapsulated with epoxy resin with exclusion of water, and light source is simulated solar irradiation, light intensity regulating to 100mW/
cm2。
Light anode is cobalt hydroxide/pucherite light anode, it is specific the preparation method is as follows:
(1) pucherite light anode is prepared first.Electrodeposition process is used to prepare BiOI on FTO electro-conductive glass as the source Bi.
Washed dose of FTO electro-conductive glass, deionized water, isopropanol successively supersound washing are used to deposit BiOI after dry；For electro-deposition
BiOI prepares electrolyte, and electrodeposition process is carried out using three-electrode system, using ready FTO electro-conductive glass as working electrode,
Platinum electrode is to electrode, and silver-silver chloride electrode is reference electrode, is immersed in the electrolyte of preparation, application -0.1V vs.Ag/
The voltage of AgCl continues 5min, one layer of BiOI of uniform deposition on FTO electro-conductive glass, then successively with deionized water and ethyl alcohol
It rinses, it is dry.
Electrolyte are as follows: every 3.32g KI and 0.97g Bi (NO3)2·5H2O is dissolved in 50mL deionized water, then with several
Drip HNO3Adjust pH to 1.7；In addition, 1.13g 1,4-benzoquinone is dissolved into 20mL ethyl alcohol.Two kinds of solution are mixed, stirring
30min, it is stand-by as electrolyte；
(2) excessive 0.2M VO (acac) is added dropwise in the FTO glass electrode for being deposited with BiOI2DMSO solution.And it will
It keeps 500 DEG C of calcining 2h, BiOI and VO (acac) with 2 DEG C/min heating rate in Muffle furnace2Reaction is converted into target production
Object BiVO4；
(3) by calcined BiVO4Film impregnates 30min in 0.5M NaOH solution, and adds stirring, to wash removal
Excessive vanadium source is in BiVO4The by-product V of Surface Creation2O5, it is then, dry with deionized water cleaning down, obtain pure BiVO4
Photo-anode film；
(4) oxygen co-catalyst is then produced using infusion process load.The BiVO that will be prepared4Photo-anode film is 5mM's
CoCl2Soaking at room temperature 10h in solution, deionized water washing is dry, obtains the pucherite light anode of load cobalt hydroxide, i.e. hydrogen
Cobalt oxide/pucherite light anode.
Cobalt hydroxide/pucherite light anode flat scanning electron microscope is as shown in Figure 2, it can be seen that environmental microbes are not advise
Nano bar-shape then.
Cobalt hydroxide/pucherite light anode profile scanning electron microscope is as shown in Figure 3, it can be seen that film surface uniform ground,
Film thickness is about 239nm.
Cobalt hydroxide/pucherite light anode linear sweep voltammetry curve graph as shown in figure 4, in three-electrode system test light
The performance of anode film, light anode are working electrode, and silver/silver chloride electrode is reference electrode, and platinum electrode is to electrode, and electrolyte is
1.0M borate buffer solution, pH 9.1 reach current density 6.2mA/cm at 1.23V vs.RHE2。
Integrated carbon-based plane perovskite solar cell, structure are plane stepped construction, and substrate is FTO electro-conductive glass, electricity
Sub- transport layer is fullerene electron transfer layer, and it is carbon electrode to electrode that perovskite light-absorption layer, which is carbonamidine lead iodine perovskite light-absorption layer,
Carbon electrode is used as hole transmission layer simultaneously, does not in addition add hole transport layer material.It is specific the preparation method is as follows:
(1) with 3000rpm, the condition spin coating C of 20s on FTO electro-conductive glass60Solution, then in 120 DEG C of calcining 30min.
C60Solution concentration is every 5mg C60It is dissolved in 1mL dichloro-benzenes.
(2) by 159mg CH3NH3I and 461mg PbI2Be dissolved in 78mg DMSO and 600mgDMF, by this solution with
4000rpm, 20s are spun on C60On layer, 0.5mL ether is added dropwise in spin coating process, later, in 95 DEG C of annealing 5min.
(3) carbon pastes are scratched on calcium titanium ore bed surface, in 100 DEG C of annealing 20min.
After the light anode of preparation and perovskite solar cell assembling, photoelectrocatalysis complete solution water installations are obtained, performance is carried out
Test.The H of photoelectricity complete solution water installations2Or O2Yield-time graph and faradic efficiency figure are as shown in figure 5, test condition: electrolysis
Liquid is 1.0M borate buffer solution, pH 9.1, light source 100mW/cm2Simulated solar irradiation, with gas chromatographic detection generate
Hydrogen and oxygen content, device is stablized within the 10h testing time decomposes aquatic products hydrogen production oxygen, generates H2And O2Rate respectively may be about
92μmol/cm2/ h and 46 μm of ol/cm2/ h, water decomposition reaction generate H2And O2Ratio be 2:1, faradic efficiency is about 98%.
Embodiment 2
The photoelectrocatalysis complete solution water installations and 1 phase of embodiment of carbon-based plane perovskite solar cell are integrated used in the present embodiment
Together, except that producing the carrying method of oxygen co-catalyst in the preparation method of light anode.
It is loaded using infusion process and produces oxygen co-catalyst, the BiVO that will be prepared4Cu (NO of the photo-anode film in 5mM3)2It is molten
Soaking at room temperature 10h in liquid, deionized water washing is dry, obtains the pucherite light anode of load Kocide SD, i.e., Kocide SD/
Pucherite light anode.
Kocide SD/pucherite light anode linear sweep voltammetry curve graph is as shown in fig. 6, test condition and 1 phase of embodiment
Together, at 1.23V vs.RHE, reach current density 5.1mA/cm2。
The H of photoelectricity complete solution water installations2Or O2Yield-time graph and faradic efficiency figure as shown in fig. 7, test condition with
Embodiment 1 is identical, generates H2And O2Rate respectively may be about 60 μm of ol/cm2/ h and 30 μm of ol/cm2/ h, water decomposition reaction generate H2
And O2Ratio be 2:1, faradic efficiency is about 97%.
Embodiment 3
The photoelectrocatalysis complete solution water installations and 1 phase of embodiment of carbon-based plane perovskite solar cell are integrated used in the present embodiment
Together, except that producing the carrying method of oxygen co-catalyst in the preparation method of light anode.
It is loaded using infusion process and produces oxygen co-catalyst, the BiVO that will be prepared4NiCl of the photo-anode film in 5mM2In solution
Soaking at room temperature 10h, deionized water washing is dry, obtains the pucherite light anode of load nickel hydroxide, i.e. nickel hydroxide/vanadic acid
Bismuth light anode.
Nickel hydroxide/pucherite light anode linear sweep voltammetry curve graph is as shown in figure 8, test condition and 1 phase of embodiment
Together, at 1.23V vs.RHE, reach current density 5.1mA/cm2。
The H of photoelectricity complete solution water installations2Or O2Yield-time graph and faradic efficiency figure as shown in figure 9, test condition with
Embodiment 1 is identical, generates H2And O2Rate respectively may be about 76 μm of ol/cm2/ h and 38 μm of ol/cm2/ h, water decomposition reaction generate H2
And O2Ratio be 2:1, faradic efficiency is about 98%.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in skill of the invention
The modifications, equivalent substitutions and improvements etc. of made other forms, should be included in protection of the invention within art thought and principle
Within the scope of.Under the premise of not departing from the present invention for those skilled in the art, several improvement can be done to the present invention and are repaired
Decorations, these improvement and modification are also considered as protection scope of the present invention.
Claims (9)
1. a kind of photoelectrocatalysis complete solution water installations for integrating carbon-based plane perovskite solar cell, which is characterized in that mainly by with
Lower part is constituted: carbon-based plane perovskite solar cell, light anode, to electrode, electrolyte, reaction tank, light source, conducting wire；The dress
It sets light anode to be put into reaction tank in electrolyte, is located at upper top, as big as possible receives illumination, and light is first irradiated to light sun
On extremely, the carbon-based plane perovskite sun electricity of the lower part in lower part outside reaction tank or reaction tank is mapped to through the illumination of light anode
Chi Shang；The anode of carbon-based plane perovskite solar cell connects light anode by conducting wire, and cathode is connected by conducting wire to electrode, light
Anode with to electrode while immersed in access is constituted in the electrolyte of reaction tank, oxygen is produced in light anode, hydrogen is produced on to electrode；
Reaction tank is made of translucent material, and the conducting wire epoxy resin of carbon-based plane perovskite solar cell and exposure is encapsulated to completely cut off
Water；The light anode is that load has the composite material light anode for producing oxygen co-catalyst, the production in pucherite light anode
Oxygen co-catalyst is selected from one or more of cobalt hydroxide, Kocide SD, nickel hydroxide etc..
2. a kind of photoelectrocatalysis complete solution water installations for integrating carbon-based plane perovskite solar cell described in accordance with the claim 1,
It is characterized in that, carbon-based plane perovskite solar cell, battery structure is plane stepped construction, and wherein electron transfer layer is fowler
Alkene or fullerene derivate, perovskite light-absorption layer are ABX3The material of structure, wherein A is selected from CH3NH3 +、CH3(NH2)2 +、Cs+In
One or more, B be selected from Pb2 +、Sn2 +、Ge2 +One or more of, X is selected from Cl-、Br-、I-One or more of, with
Carbon is as hole transport layer material and electrode material.
3. a kind of photoelectrocatalysis complete solution water installations for integrating carbon-based plane perovskite solar cell described in accordance with the claim 1,
It is characterized in that, being selected from graphite electrode, platinum electrode, foam nickel electrode to electrode.
4. a kind of photoelectrocatalysis complete solution water installations for integrating carbon-based plane perovskite solar cell described in accordance with the claim 1,
It is characterized in that, electrolyte be the aqueous solution containing conductive ion, be borate buffer solution, phosphate buffer solution, metabisulfite solution,
Concentration is 0.5~1.5M, and pH is adjusted to 6.5~9.5.
5. a kind of photoelectrocatalysis complete solution water installations for integrating carbon-based plane perovskite solar cell described in accordance with the claim 1,
It is characterized in that, light source is sunlight or simulated solar irradiation.
6. a kind of photoelectrocatalysis complete solution water installations for integrating carbon-based plane perovskite solar cell described in accordance with the claim 1,
It is characterized in that, the light anode, it is specific the preparation method is as follows:
(1) pucherite light anode is prepared first, and electrodeposition process is used to prepare BiOI on FTO electro-conductive glass as the source Bi.FTO is led
Washed dose of electric glass, deionized water, isopropanol successively supersound washing are used to deposit BiOI after dry；For electro-deposition BiOI,
Electrolyte is prepared, electrodeposition process is carried out using three-electrode system, using ready FTO electro-conductive glass as working electrode, platinum electricity
Extremely to electrode, silver-silver chloride electrode is reference electrode, is immersed in the electrolyte of preparation, and -0.5~0.5V vs.Ag/ is applied
The voltage of AgCl, continues 1~10min, one layer of BiOI of uniform deposition on FTO electro-conductive glass, then uses deionized water and ethyl alcohol
Successively rinse, it is dry；
Electrolyte are as follows: every 2.5~4.5g KI and 0.5~1.15g Bi (NO3)2·5H2O is dissolved in 50mL deionized water, so
Afterwards with a few drop HNO3Adjust pH to 1.5~2；In addition, every 0.5~1.5g 1,4-benzoquinone is dissolved into 20mL ethyl alcohol.By two kinds of solution
It is mixed by the volume ratio that 50mL deionized water corresponds to 20mL ethyl alcohol, stirs 20~60min, it is stand-by as electrolyte；
(2) excessive 0.1~0.5M VO (acac) is added dropwise on the FTO electro-conductive glass for being deposited with BiOI2DMSO solution；And it will
It keeps 400~600 DEG C of calcining 1~5h, BiOI and VO (acac) with 1~5 DEG C/min heating rate in Muffle furnace2Reaction,
It is converted into target product BiVO4；
(3) by calcined BiVO4Film impregnates 20~40min in 0.5~1.5M NaOH solution, and adds stirring, to wash
Excessive vanadium source is removed in BiVO4The by-product V of Surface Creation2O5, it is then, dry with deionized water cleaning down, it obtains pure
BiVO4Light anode；
(4) oxygen co-catalyst, the pure BiVO that will be prepared then are produced using infusion process load4Light anode is containing certain dense
For a period of time, deionized water washing is dry for soaking at room temperature in the solution for producing the corresponding metal ion of oxygen co-catalyst of degree, obtains
Load produces the pucherite light anode of oxygen co-catalyst.
7. a kind of photoelectrocatalysis complete solution water installations for integrating carbon-based plane perovskite solar cell described in accordance with the claim 1,
It is characterized in that, the solution for producing the corresponding metal ion of oxygen co-catalyst is selected from cobalt nitrate, cobalt chloride, copper nitrate, copper chloride, nitre
Sour nickel, nickel chloride solution.
8. a kind of photoelectrocatalysis complete solution water installations for integrating carbon-based plane perovskite solar cell described in accordance with the claim 1,
It is characterized in that, the concentration for producing the solution of the corresponding metal ion of oxygen co-catalyst is 1~10mM；Pure pucherite photo-anode film
Soaking time is 1~20h in the solution for producing the corresponding metal ion of oxygen co-catalyst.
9. a kind of photoelectrocatalysis complete solution water installations for integrating carbon-based plane perovskite solar cell described in accordance with the claim 1,
It is characterized in that, pucherite and the overall thickness for producing the photo-anode film that oxygen co-catalyst is constituted are 150~300nm.
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| CN112803096A (en) * | 2021-01-21 | 2021-05-14 | 中国地质大学（武汉） | Energy storage and capacity integrated battery |
| CN115571947A (en) * | 2022-10-29 | 2023-01-06 | 复旦大学 | Photoelectric catalytic reactor for inactivating microorganisms in water |
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| CN107154460A (en) * | 2017-04-15 | 2017-09-12 | 北京化工大学 | A kind of complete carbon-based perovskite solar cell and its preparation technology |
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| CN105470393A (en) * | 2015-12-16 | 2016-04-06 | 宁波大学 | Water-electrolytic hydrogen making integrated device for perovskite solar cell and manufacturing method for integrated device |
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