CN105489383B - A kind of preparation method of quantum dot sensitized solar battery light anode - Google Patents
A kind of preparation method of quantum dot sensitized solar battery light anode Download PDFInfo
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- CN105489383B CN105489383B CN201510998902.3A CN201510998902A CN105489383B CN 105489383 B CN105489383 B CN 105489383B CN 201510998902 A CN201510998902 A CN 201510998902A CN 105489383 B CN105489383 B CN 105489383B
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- quantum dot
- titanium dioxide
- light anode
- solar battery
- chalcogenide
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- 239000002096 quantum dot Substances 0.000 title claims abstract description 133
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 35
- 150000004770 chalcogenides Chemical class 0.000 claims abstract description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 12
- 206010070834 Sensitisation Diseases 0.000 claims abstract description 9
- 230000008313 sensitization Effects 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 7
- 239000003381 stabilizer Substances 0.000 claims abstract description 7
- GKCNVZWZCYIBPR-UHFFFAOYSA-N sulfanylideneindium Chemical compound [In]=S GKCNVZWZCYIBPR-UHFFFAOYSA-N 0.000 claims abstract description 7
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims abstract description 6
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims abstract description 6
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000005642 Oleic acid Substances 0.000 claims abstract description 6
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052786 argon Inorganic materials 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims abstract description 6
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims abstract description 6
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims abstract description 6
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims abstract description 6
- MRPWWVMHWSDJEH-UHFFFAOYSA-N antimony telluride Chemical compound [SbH3+3].[SbH3+3].[TeH2-2].[TeH2-2].[TeH2-2] MRPWWVMHWSDJEH-UHFFFAOYSA-N 0.000 claims abstract description 5
- CMXPERZAMAQXSF-UHFFFAOYSA-M sodium;1,4-bis(2-ethylhexoxy)-1,4-dioxobutane-2-sulfonate;1,8-dihydroxyanthracene-9,10-dione Chemical compound [Na+].O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=CC=C2O.CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC CMXPERZAMAQXSF-UHFFFAOYSA-M 0.000 claims abstract description 4
- QGLWBTPVKHMVHM-KTKRTIGZSA-N (z)-octadec-9-en-1-amine Chemical compound CCCCCCCC\C=C/CCCCCCCCN QGLWBTPVKHMVHM-KTKRTIGZSA-N 0.000 claims abstract description 3
- PCRGAMCZHDYVOL-UHFFFAOYSA-N copper selanylidenetin zinc Chemical compound [Cu].[Zn].[Sn]=[Se] PCRGAMCZHDYVOL-UHFFFAOYSA-N 0.000 claims abstract description 3
- WILFBXOGIULNAF-UHFFFAOYSA-N copper sulfanylidenetin zinc Chemical compound [Sn]=S.[Zn].[Cu] WILFBXOGIULNAF-UHFFFAOYSA-N 0.000 claims abstract description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 11
- 229940007424 antimony trisulfide Drugs 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- NVWBARWTDVQPJD-UHFFFAOYSA-N antimony(3+);trisulfide Chemical group [S-2].[S-2].[S-2].[Sb+3].[Sb+3] NVWBARWTDVQPJD-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 6
- OQRNKLRIQBVZHK-UHFFFAOYSA-N selanylideneantimony Chemical compound [Sb]=[Se] OQRNKLRIQBVZHK-UHFFFAOYSA-N 0.000 claims description 6
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 4
- 150000003608 titanium Chemical class 0.000 claims description 4
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- HNBFUFIYQWYCDM-UHFFFAOYSA-N oxygen(2-) sulfane titanium(4+) Chemical compound [O--].[O--].S.[Ti+4] HNBFUFIYQWYCDM-UHFFFAOYSA-N 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 abstract description 7
- -1 titanium dioxide chalcogenide Chemical class 0.000 abstract description 6
- 239000005864 Sulphur Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052711 selenium Inorganic materials 0.000 abstract description 3
- 239000011669 selenium Substances 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 235000010215 titanium dioxide Nutrition 0.000 description 28
- 239000000243 solution Substances 0.000 description 16
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- 239000006185 dispersion Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010129 solution processing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- PFZWDJVEHNQTJI-UHFFFAOYSA-N antimony titanium Chemical compound [Ti].[Sb] PFZWDJVEHNQTJI-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229920000301 poly(3-hexylthiophene-2,5-diyl) polymer Polymers 0.000 description 2
- UDCVUQXUFWEJIO-UHFFFAOYSA-N [O-2].[O-2].S.[Ti+4].[In+3] Chemical compound [O-2].[O-2].S.[Ti+4].[In+3] UDCVUQXUFWEJIO-UHFFFAOYSA-N 0.000 description 1
- MEFOCRCZAVYIPY-UHFFFAOYSA-N [Sb+]=[Se].[O-2].[O-2].[Ti+4] Chemical compound [Sb+]=[Se].[O-2].[O-2].[Ti+4] MEFOCRCZAVYIPY-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- ZIYCGYQXFASKKC-UHFFFAOYSA-N antimony(3+) oxygen(2-) titanium(4+) Chemical compound [Sb+3].[O-2].[O-2].[Ti+4] ZIYCGYQXFASKKC-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- NMHFBDQVKIZULJ-UHFFFAOYSA-N selanylideneindium Chemical compound [In]=[Se] NMHFBDQVKIZULJ-UHFFFAOYSA-N 0.000 description 1
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/80—Constructional details
- H10K30/81—Electrodes
-
- 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
- Y02E10/549—Organic PV cells
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Hybrid Cells (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of preparation method of quantum dot sensitized solar battery light anode, one kind in the titanium dioxide quantum dot containing oleic acid or oleyl amine stabilizer and sulphur/selenium/antimony telluride quantum dot, indium sulphur quantum dot, CIS quantum dot, copper-zinc-tin-sulfur quantum dot, copper-zinc-tin-selenium quantum dot is dispersed in same non-polar solven respectively first, forms oil-phase solution；Two kinds of oil-phase solutions are well mixed again, and adds polarity and hates solvent to make titanium dioxide quantum dot and chalcogenide quantum dot be co-precipitated out, form titanium dioxide chalcogenide quantum dot aggregate；Finally titanium dioxide chalcogenide quantum dot aggregate is coated on the electro-conductive glass treated through titanium tetrachloride, quantum dot sensitization solar battery light anode is formed through being heat-treated under argon gas atmosphere.Preparation method of the present invention is simple, and can significantly improve the stability of quantum dot sensitized solar cell, light induced electron transmission performance and reduction battery dark reaction.
Description
Technical field
The present invention relates to chemical solar cell field of new materials, more particularly, to quantum dot sensitized solar cell light sun
The preparation method of pole.
Background technology
Quantum dot sensitized solar cell is a kind of new chemical solar cell, with inorganic semiconductor compound quantum dot
Material is sensitizer, and operation principle is similar to DSSC.With low cost, preparation technology is simple and environment is friendly
The features such as good, therefore have a good application prospect, it is expected to substitute existing high cost solar cell.
Light anode is the key components of quantum dot sensitized solar cell, undertakes absorption sunshine, carries out photoelectricity and turns
Change and light induced electron transmission effect.The quality of quantum dot sensitized solar battery light anode performance is mainly by electric transmission material
Material, quantum dot sensitizer and both combinations determine.The preparation method of traditional light anode is with organic bridging such as TGA
Agent is bridged to quantum dot sensitizer in titanium dioxide nanocrystalline light anode.This method can the effective nanocrystalline light of sensitized titanium dioxide
Anode, but bridging agent used is usually organic matter, can influence battery long-time stability, while the transmission of light induced electron is hindered, draw
Play dark reaction.The light anode prepared using this method needs to deposit ZnS, ZnSe, SiO2Deng surface protectant.
Therefore, explore that a kind of straightforward procedure prepares first stability, efficient light anode is quantum dot sensitized solar cell
Move towards practical key technology.Titanium dioxide nanocrystalline is the light anode electron transport material of excellent stabilization, chalcogenide
Quantum dot is efficient sensitizer.Titanium dioxide nanocrystalline particle diameter is further decreased to quantum point scale, then with sulfur family chemical combination
Thing quantum dot direct combination, uniform composite construction can be formed.Meanwhile in compound system, can be formed electron propagation ducts with
The network structure of quantum dot sensitizer IPN, no other impurities are present, so as to be advantageous to the generation of light induced electron, quick separating and
Transmission.
In view of this, inventor develops a kind of quantum dot sensitized on the basis of by a series of research and experiment
Thus the novel processing step of solar battery light anode, this case produce.
The content of the invention
It is an object of the invention to provide a kind of preparation method of quantum dot sensitized solar battery light anode, the letter of its method
It is single, and excellent light anode material can be provided for the preparation of efficient, stable quantum dot sensitized solar cell.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of preparation method of quantum dot sensitized solar battery light anode, preparation process are as follows：
The first step, it is 1-7nm titanium dioxide quantum dot and sulphur by the commercially available particle diameter containing oleic acid or oleyl amine stabilizer
Compounds of group quantum dot is dispersed in same non-polar solven respectively, and it is 0.01-0.1mol/L titanium dioxides to respectively obtain concentration
Titanium quantum dot oil-phase solution and concentration are 0.01-0.1mol/L chalcogenide quantum dot oil-phase solutions；Wherein, it is described nonpolar
Solvent is one kind in hexamethylene, toluene, heptane, octane；
Second step, above-mentioned titanium dioxide quantum dot oil-phase solution and above-mentioned chalcogenide quantum dot oil-phase solution are pressed into body
Product is well mixed than 1/1-9/1, is added into obtained quantum dot oil phase mixed liquor equivalent to quantum dot oil phase mixed liquor 2-10
The polarity of times volume hates solvent to make titanium dioxide quantum dot and chalcogenide quantum dot be co-precipitated out, formed titanium dioxide-
Chalcogenide quantum dot aggregate；Wherein, polarity hates solvent for one kind in ethanol, methanol, acetone；
3rd step, this titanium dioxide-chalcogenide quantum dot aggregate is coated to and led through what titanium tetrachloride treated
On electric glass, quantum dot sensitization solar battery light anode is formed through 300-500 DEG C of heat treatment 30-60min under argon gas atmosphere.
In the above-mentioned first step, the chalcogenide quantum dot is sulphur/selenium/antimony telluride quantum dot, indium sulphur quantum dot, copper
One kind in indium selenium quantum dot, copper-zinc-tin-sulfur quantum dot, copper-zinc-tin-selenium quantum dot.
The chalcogenide quantum dot is sulphur/selenium/antimony telluride quantum dot.
The electron transport material and quantum dot sensitized material of the quantum dot sensitized solar battery light anode exist jointly
In titanium dioxide-chalcogenide quantum dot aggregate, and this titanium dioxide-chalcogenide quantum dot aggregate is from mixed
Close addition polarity in the uniform quantum dot oil phase mixed liquor and hate be co-precipitated after solvent and come out, it is 0.1-0.5 μm to form particle diameter
Spherical structure aggregate.
After such scheme, preparation method of the present invention is simple, and light anode is by titanium dioxide quantum dot and chalcogenide
The oil phase dispersion liquid of quanta point material hates solvent action co-precipitation to separate out with polarity, forms the sub-micron with spherical structure and reunites
Body, this sub-micron aggregate can make each quanta point material more stable, while without other impurities, electron propagation ducts and sensitization
Agent can form good interpenetrating networks composite construction, be advantageous to generation, quick separating and the transmission of light induced electron, can significantly carry
The stability of high quantum dot sensitization solar battery, light induced electron transmission performance and reduction battery dark reaction.So as to for efficiently, surely
The preparation of fixed quantum dot sensitized solar cell provides excellent light anode material, while is established for the practical of such battery
Good basis.The quantum dot sensitized solar cell assembled with the light anode prepared by the inventive method, photoelectric properties and steady
The qualitative traditional titanium dioxide nanocrystalline light anode exceeded using identical sensitizer.In addition, this light anode material of the present invention
The preparation of the opto-electronic conversions such as perovskite solar cell, ultracapacitor and memory device can also be used in.
Embodiment
Embodiment one：
A kind of preparation method of quantum dot sensitized solar battery light anode of the present invention, preparation process are as follows：
The first step, the particle diameter by the commercially available stabilizer containing oleic acid are 3.6nm titanium dioxide quantum dot and antimony selenide amount
Son point is distributed in 100mL hexamethylenes respectively, forms the titanium dioxide quantum dot ring hexane solution that concentration is 0.05mol/L respectively
With the antimony selenide quantum dot ring hexane solution that concentration is 0.05mol/L；
Second step, it is by titanium dioxide quantum dot ring hexane solution and 30mL concentration that 70mL concentration is 0.05mol/L
0.05mol/L antimony selenide quantum dot ring hexane solution is well mixed, and 200mL is added into obtained quantum dot oil phase mixed liquor
Acetone, make titanium dioxide quantum dot and antimony selenide quantum dot be co-precipitated out, form the spherical titanium dioxide that particle diameter is 0.1-0.5 μm
Titanium-antimony selenide quantum dot aggregate；
3rd step, 0.1g titanium dioxide-antimony selenide quantum dot aggregate is dispersed in 10mL ethanol, obtains titanium dioxide
The alcohol dispersion liquid of titanium-antimony selenide quantum dot aggregate, it is 0.5mol/L that this alcohol dispersion liquid, which is coated to by 70 DEG C of concentration,
Titanium tetrachloride aqueous solution processing 30min after electro-conductive glass on, through under 450 DEG C of argon gas atmospheres be heat-treated 30min formed thickness
For 12 μm of quantum dot sensitized solar battery light anode.
By prepared light anode and goldleaf to electrode and poly- 3- hexyl thiophenes assembling quantum dot sensitization solar battery,
AM 1.5 and 100mWcm-2Tested under standard sunshine, photoelectric transformation efficiency reaches 5.3%.
Embodiment two：
A kind of preparation method of quantum dot sensitized solar battery light anode of the present invention, preparation process are as follows：
The first step, by the particle diameter 5nm titanium dioxide quantum dot and the grain of oil-containing amine stabiliser of the commercially available stabilizer containing oleic acid
Footpath 3nm indium sulphur quantum dot is distributed in 100mL toluene respectively, forms the titanium dioxide amount that concentration is 0.05mol/L respectively
Son point toluene solution and the indium sulphur quantum dot toluene solution that concentration is 0.05mol/L；
Second step, it is by titanium dioxide quantum dot toluene solution and 40mL concentration that 60mL concentration is 0.05mol/L
0.05mol/L indium sulphur quantum dot toluene solution is well mixed, and 200mL first is added into obtained quantum dot oil phase mixed liquor
Alcohol, make titanium dioxide quantum dot and indium sulphur quantum dot be co-precipitated out, form the spherical titanium dioxide that particle diameter is 0.1-0.5 μm
Titanium-indium sulphur quantum dot aggregate；
3rd step, 0.1g titanium dioxide-indium sulphur quantum dot aggregate is dispersed in 10mL ethanol, obtains titanium dioxide
The alcohol dispersion liquid of titanium-indium sulphur quantum dot aggregate, it is 0.5mol/L that this alcohol dispersion liquid, which is coated to by 70 DEG C of concentration,
Titanium tetrachloride aqueous solution processing 30min after electro-conductive glass on, through under 400 DEG C of argon gas atmospheres be heat-treated 30min formed thickness
For 12 μm of quantum dot sensitized solar battery light anode.
By prepared light anode and copper sulfide to electrode and 2mol/L Na2S and 2mol/L S aqueous electrolyte group
Quantum dot sensitization solar battery is filled, in AM 1.5 and 100mWcm-2Tested under standard sunshine, photoelectric transformation efficiency reaches
5.2%.
Embodiment three：
A kind of preparation method of quantum dot sensitized solar battery light anode of the present invention, preparation process are as follows：
The first step, by the particle diameter 6nm titanium dioxide quantum dot and particle diameter 2nm antimony trisulfide of the commercially available stabilizer containing oleic acid
Quantum dot is distributed in 100mL octanes respectively, respectively formed concentration be 0.05mol/L titanium dioxide quantum dot octane solution and
Concentration is 0.05mol/L antimony trisulfide quantum dot octane solution；
Second step, it is by titanium dioxide quantum dot octane solution and 50mL concentration that 50mL concentration is 0.05mol/L
0.05mol/L antimony trisulfide quantum dot octane solution is well mixed, and 200mL second is added into obtained quantum dot oil phase mixed liquor
Alcohol, make titanium dioxide quantum dot and antimony trisulfide quantum dot be co-precipitated out, form the spherical titanium dioxide that particle diameter is 0.1-0.5 μm
Titanium-antimony trisulfide quantum dot aggregate；
3rd step, 0.1g titanium dioxide-antimony trisulfide quantum dot aggregate is dispersed in 10mL ethanol, obtains titanium dioxide
The alcohol dispersion liquid of titanium-antimony trisulfide quantum dot aggregate, it is 0.5mol/L that this alcohol dispersion liquid, which is coated to by 70 DEG C of concentration,
Titanium tetrachloride aqueous solution processing 30min after electro-conductive glass on, through under 350 DEG C of argon gas atmospheres be heat-treated 30min formed thickness
For 12 μm of quantum dot sensitized solar battery light anode.
By prepared light anode and goldleaf to electrode and poly- 3- hexyl thiophenes assembling quantum dot sensitization solar battery,
AM 1.5 and 100mWcm-2Tested under standard sunshine, photoelectric transformation efficiency reaches 5.6%.
Presently preferred embodiments of the present invention is these are only, not to the restriction of protection scope of the present invention, all setting according to this case
The equivalent variations that meter thinking is done, each fall within the protection domain of this case.
Claims (4)
1. a kind of preparation method of quantum dot sensitized solar battery light anode, it is characterised in that preparation process is as follows：
The first step, it is 1-7nm titanium dioxide quantum dot and chalcogenide by the commercially available particle diameter containing oleic acid or oleyl amine stabilizer
Compound quantum dot is dispersed in same non-polar solven respectively, and it is 0.01-0.1mol/L titanium dioxide amounts to respectively obtain concentration
Son point oil-phase solution and concentration are 0.01-0.1mol/L chalcogenide quantum dot oil-phase solutions；Wherein, the non-polar solven
For one kind in hexamethylene, toluene, heptane, octane；
Second step, by above-mentioned titanium dioxide quantum dot oil-phase solution and above-mentioned chalcogenide quantum dot oil-phase solution by volume
1/1-9/1 is well mixed, and is added into obtained quantum dot oil phase mixed liquor equivalent to quantum dot oil phase 2-10 times of body of mixed liquor
Long-pending polarity hates solvent to make titanium dioxide quantum dot and chalcogenide quantum dot be co-precipitated out, forms titanium dioxide-sulfur family
Compound quantum dot aggregate；Wherein, polarity hates solvent for one kind in ethanol, methanol, acetone；
3rd step, this titanium dioxide-chalcogenide quantum dot aggregate is coated to the conductive glass treated through titanium tetrachloride
On glass, quantum dot sensitization solar battery light anode is formed through 300-500 DEG C of heat treatment 30-60min under argon gas atmosphere.
2. the preparation method of quantum dot sensitized solar battery light anode as claimed in claim 1, it is characterised in that：Above-mentioned
In one step, the chalcogenide quantum dot is antimony trisulfide quantum dot, antimony selenide quantum dot, antimony telluride quantum dot, copper and indium sulfur content
One kind in sub- point, CIS quantum dot, copper-zinc-tin-sulfur quantum dot, copper-zinc-tin-selenium quantum dot.
3. the preparation method of quantum dot sensitized solar battery light anode as claimed in claim 2, it is characterised in that：The sulphur
Compounds of group quantum dot is antimony trisulfide quantum dot, antimony selenide quantum dot or antimony telluride quantum dot.
4. the preparation method of quantum dot sensitized solar battery light anode as claimed in claim 1, it is characterised in that：The amount
The electron transport material and quantum dot sensitized material of son point sensitization solar battery light anode collectively reside in titanium dioxide-sulfur family
In compound quantum dot aggregate, and this titanium dioxide-chalcogenide quantum dot aggregate is from the well mixed amount
Son, which select in oil phase mixed liquor addition polarity and hates to be co-precipitated after solvent, to be come out, and it is 0.1-0.5 μm of spherical structure aggregate to form particle diameter.
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