CN101510472B - Solar battery of organic dye sensitized stannic acid zinc nanocrystalline film and preparation method thereof - Google Patents
Solar battery of organic dye sensitized stannic acid zinc nanocrystalline film and preparation method thereof Download PDFInfo
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- CN101510472B CN101510472B CN 200910111330 CN200910111330A CN101510472B CN 101510472 B CN101510472 B CN 101510472B CN 200910111330 CN200910111330 CN 200910111330 CN 200910111330 A CN200910111330 A CN 200910111330A CN 101510472 B CN101510472 B CN 101510472B
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- acid zinc
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- stannic acid
- solar cell
- zinc nanocrystalline
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- 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
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- 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
Abstract
The invention provides an organic dyestuff sensitized ZnSnO nanocrystalline film solar cell and a preparation method thereof. The solar cell is an organic dyestuff sensitized solar cell with laminated structure; two side parts of the solar cell are respectively conductive glass FTO and a counter electrode; two middle parts of the solar cell are respectively ZnSnO nanocrystalline and an electrolyte solution soaked with organic dyestuff; the preparation step comprises the following two steps of preparing the ZnSnO nanocrystalline and assembling the organic dyestuff sensitized solar cell. The preparation method is simple, reduces cost, causes the cell to have good performance, and has good economic benefit.
Description
Technical field
The invention belongs to technical field of solar batteries, more specifically relate to solar cell of a kind of organic dye sensitized stannic acid zinc nanocrystalline film and preparation method thereof.
Background technology
DSSC be by dyestuff as light absorbent, the valence shell electronics is subjected to optical excitation in the dyestuff, rise to high energy stratum, and then conducts to the conductive layer of meter titanium dioxide semiconductor, is causing the outside via electrode.The dyestuff that loses electronics then obtains electronics via electrolyte in the battery, and electrolyte generally is by I
-/ I
3 -Be dissolved in the organic solvent and form.Since the beginning of the nineties in last century, the Switzerland scientist
Utilize nanometer technology that the transformation efficiency of DSSC is brought up to 7.1% first.From then on, dye sensitized nano crystal salar battery (DSSC) be born thereupon and fast development get up.What energy conversion efficiency was the highest at present still is
In the titanium dioxide nanocrystalline solar cell that utilizes the dye sensitization of rare metal ruthenium complex.But preparation technology's more complicated of these dyestuffs, ruthenium itself are that rare metal costs an arm and a leg, and the source is also relatively more difficult.In order to make research meaningful, the sensitizer of seeking low cost and function admirable becomes one of emphasis of research.The forbidden band of stannic acid zinc nanocrystalline is wide to be 3.6ev, is a kind of semi-conducting material that can be used as negative pole.Existing bibliographical information, stannic acid zinc nanocrystalline solar cell photoelectric conversion efficiency is 3.8% under ruthenium complex N719 sensitization.But, the present relevant patent report of the solar cell of organic dye sensitized stannic acid zinc nanocrystalline film base not also.
Summary of the invention
The purpose of this invention is to provide solar cell of a kind of organic dye sensitized stannic acid zinc nanocrystalline film and preparation method thereof, the preparation method is simple, and cost reduces, and battery performance is good, has excellent economic benefit.
The solar cell of organic dye sensitized stannic acid zinc nanocrystalline film of the present invention: be the organic dye sensitized solar cell of sandwich structure; The both sides part of described solar cell is respectively electro-conductive glass FTO and to electrode, middle two parts are respectively stannic acid zinc nanocrystalline and the electrolyte solution that is impregnated with organic dyestuff; The particle diameter of stannic acid zinc nanocrystalline is about about 30nm.
The preparation method of the solar cell of organic dye sensitized stannic acid zinc nanocrystalline film of the present invention is characterized in that: described preparation method's step is:
(1) preparation stannic acid zinc nanocrystalline: with ZnCl
2, SnCl
45H
2O, NaOH are dissolved in the mixed solution that volume ratio is 1: 1 water and ethanol by 2: 1: 8 mol ratio, magnetic agitation was inserted it in teflon-lined stainless steel cauldron after 15 minutes, 200 ℃ of reactions 24 hours, drying at room temperature obtained stannic acid zinc nanocrystalline after the distilled water washing;
(2) assembling of DSSC: the stannic acid zinc nanocrystalline and the high polymer binder of step (1) preparation are made slurry, be imprinted on it on electro-conductive glass and at 525 ℃ of roasting 2h with silk screen printing, above-mentioned steps repeats 2 times, be immersed in then among the organic dyestuff D131 and take out behind the 4-8h, the color of electrode film becomes yellow by white; Again it with the liquid electrolyte solution of electrode and injection is fitted together, form the DSSC of sandwich structure.
Remarkable advantage of the present invention is: the stannic acid zinc nanocrystalline of utilization of the present invention is a kind of good semi-conducting material, small particle diameter stannic acid zinc nanocrystalline building-up process is simple, the purity height, bigger specific surface energy adsorbs more dyestuff, thereby increased the utilance of light, the present invention provides solar cell of a kind of organic dye sensitized stannic acid zinc nanocrystalline and preparation method thereof first, and the preparation method is simple, reduce cost, had useful economic benefit.
Description of drawings
Fig. 1 is the DSSC schematic diagram of sandwich structure of the present invention, 1 electro-conductive glass FTO; 2 are impregnated with the stannic acid zinc nanocrystalline of organic dyestuff; 3 electrolyte solutions; 4 pairs of electrodes.
Embodiment
Preparation stannic acid zinc nanocrystalline: with ZnCl
2, SnCl
45H
2O, NaOH are dissolved in the mixed solution that volume ratio is 1: 1 water and ethanol by 2: 1: 8 mol ratio, magnetic agitation was inserted it in teflon-lined stainless steel cauldron after 15 minutes, 200 ℃ of reactions 24 hours, drying at room temperature obtained stannic acid zinc nanocrystalline after the distilled water washing;
The assembling of DSSC: the stannic acid zinc nanocrystalline and the high polymer binder of step (1) preparation are made slurry, be imprinted on it on electro-conductive glass and at 525 ℃ of roasting 2h with silk screen printing, above-mentioned steps repeats 2 times, be immersed in then among the organic dyestuff D131 and take out behind the 4-8h, the color of electrode film becomes yellow by white; Again it with the liquid electrolyte solution of electrode and injection is fitted together, form the DSSC of sandwich structure.
The volume ratio of water and ethanol is 1: 1 in the mixed solution of water and ethanol.
Liquid electrolyte solution adopts conventional dye-sensitized solar cell electrolyte solution, and high polymer binder adopts conventional high polymer binder, as is used for electroconductive polymer adhesive of battery or the like.
The effect experiment:
With this nanocrystalline DSSC negative pole of doing, organic dyestuff D131 is the DSSC of sensitizer assembling, at 100mW/cm
2Light intensity, AM1.5 condition under, its photoelectric conversion efficiency is 2.71%.
Following examples further specify the present invention, but the present invention is not limited only to this.
Embodiment 1
Preparation stannic acid zinc nanocrystalline: with the ZnCl of 2.5mmol
2SnCl with 1.25mmol
45H
2It is in 50% the ethanol water that O is dissolved in the 40mL volumetric concentration, the NaOH solution that adds the 10mL1 mol, magnetic agitation was inserted it in teflon-lined stainless steel cauldron after 15 minutes, 200 ℃ of reactions 24 hours, drying at room temperature obtained stannic acid zinc nanocrystalline after the distilled water washing;
The assembling of DSSC: the stannic acid zinc nanocrystalline and the high polymer binder of step (1) preparation are made slurry, be imprinted on it on electro-conductive glass and at 525 ℃ of roasting 2h with silk screen printing, above-mentioned steps repeats 2 times, be immersed in then among the organic dyestuff D131 and take out behind the 4-8h, the color of electrode film becomes yellow by white; Again it with the liquid electrolyte solution of electrode and injection is fitted together, form the DSSC of sandwich structure.
Liquid electrolyte solution adopts conventional dye-sensitized solar cell electrolyte solution.
Embodiment 2
Preparation stannic acid zinc nanocrystalline: with the ZnCl of 2.5mmol
2SnCl with 1.25mmol
45H
2It is in 50% the ethanol water that O is dissolved in the 40mL volumetric concentration, the NaOH solution that adds the 10mL1 mol, magnetic agitation was inserted it in teflon-lined stainless steel cauldron after 15 minutes, 200 ℃ of reactions 24 hours, drying at room temperature obtained stannic acid zinc nanocrystalline after the distilled water washing;
The assembling of DSSC: the stannic acid zinc nanocrystalline and the high polymer binder of step (1) preparation are made slurry, be imprinted on it on electro-conductive glass and at 525 ℃ of roasting 2h with silk screen printing, above-mentioned steps repeats 2 times, be immersed in then among the organic dyestuff D131 and take out behind the 4-8h, the color of electrode film becomes yellow by white; Again it with the liquid electrolyte solution of electrode and injection is fitted together, form the DSSC of sandwich structure.
Liquid electrolyte solution adopts conventional dye-sensitized solar cell electrolyte solution.
Embodiment 3
Preparation stannic acid zinc nanocrystalline: with the ZnCl of 2.5mmol
2SnCl with 1.25mmol
45H
2It is in 50% the ethanol water that O is dissolved in volumetric concentration, the NaOH solution that adds the 10mL1 mol, magnetic agitation was inserted it in teflon-lined stainless steel cauldron after 15 minutes, and 200 ℃ of reactions 24 hours, drying at room temperature obtained stannic acid zinc nanocrystalline after the distilled water washing;
The assembling of DSSC: the stannic acid zinc nanocrystalline and the high polymer binder of step (1) preparation are made slurry, be imprinted on it on electro-conductive glass and at 525 ℃ of roasting 2h with silk screen printing, above-mentioned steps repeats 2 times, be immersed in then among the organic dyestuff D131 and take out behind the 4-8h, the color of electrode film becomes yellow by white; Again it with the liquid electrolyte solution of electrode and injection is fitted together, form the DSSC of sandwich structure.
Liquid electrolyte solution adopts conventional dye-sensitized solar cell electrolyte solution.
Claims (3)
1. the preparation method of the solar cell of an organic dye sensitized stannic acid zinc nanocrystalline film, it is characterized in that: described preparation method's step is:
(1) preparation stannic acid zinc nanocrystalline: with ZnCl
2, SnCl
45H
2O, NaOH are dissolved in the mixed solution of water and ethanol by 2: 1: 8 mol ratio, magnetic agitation was inserted it in teflon-lined stainless steel cauldron after 15 minutes, 200 ℃ of reactions 24 hours, drying at room temperature obtained stannic acid zinc nanocrystalline after the distilled water washing;
(2) assembling of DSSC: the stannic acid zinc nanocrystalline and the binding agent of step (1) preparation are made slurry, be imprinted on it on electro-conductive glass and at 525 ℃ of roasting 2h with silk screen printing, above-mentioned steps repeats 2 times, be immersed in then among the organic dyestuff D131 and take out behind the 4-8h, the color of electrode film becomes yellow by white; Again it with the liquid electrolyte solution of electrode and injection is fitted together, form the DSSC of sandwich structure;
Described solar cell is the organic dye sensitized solar cell of sandwich structure; The both sides part of described solar cell is respectively electro-conductive glass FTO and to electrode, middle two parts are respectively stannic acid zinc nanocrystalline and the electrolyte solution that is impregnated with organic dyestuff;
The particle diameter of described stannic acid zinc nanocrystalline is 30nm.
2. the preparation method of the solar cell of organic dye sensitized stannic acid zinc nanocrystalline film according to claim 1, it is characterized in that: described binding agent is a high polymer binder.
3. the preparation method of the solar cell of organic dye sensitized stannic acid zinc nanocrystalline film according to claim 1, it is characterized in that: the volume ratio of water and ethanol is 1: 1 in the mixed solution of described water and ethanol.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910111330 CN101510472B (en) | 2009-03-24 | 2009-03-24 | Solar battery of organic dye sensitized stannic acid zinc nanocrystalline film and preparation method thereof |
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| CN 200910111330 CN101510472B (en) | 2009-03-24 | 2009-03-24 | Solar battery of organic dye sensitized stannic acid zinc nanocrystalline film and preparation method thereof |
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| CN101510472B true CN101510472B (en) | 2011-06-15 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976610B (en) * | 2010-11-13 | 2012-04-11 | 福州大学 | Solar cell collaboratively sensitized by organic dye and ruthenium dye and preparation method thereof |
| CN102005308B (en) * | 2010-11-13 | 2012-05-30 | 福州大学 | Ti(l-x)SnxO2 solar cell and production method thereof |
| CN102122581B (en) * | 2010-12-28 | 2012-07-04 | 福州大学 | Preparation method of quantum dot sensitized zinc stannate nanocrystalline thin-film solar cell |
| CN102593359B (en) * | 2012-03-13 | 2014-05-07 | 福州大学 | Multifunction-integrated organic resistive random access memory and manufacturing method thereof |
| CN106830706A (en) * | 2017-02-06 | 2017-06-13 | 天津师范大学 | A kind of method that broccoli shape graduation zinc stannate film material is prepared on electro-conductive glass |
| CN113707461A (en) * | 2021-08-12 | 2021-11-26 | 山东大学 | CdS/CdSe quantum dot sensitized solar cell photo-anode based on zinc-tin hydrotalcite, cell and preparation method of CdSe/CdSe quantum dot sensitized solar cell photo-anode |
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