CN101388292A - Organic dye sensitized meso-porous TiO2 thin film based solar cell and preparation thereof - Google Patents

Organic dye sensitized meso-porous TiO2 thin film based solar cell and preparation thereof Download PDF

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CN101388292A
CN101388292A CNA2008100719512A CN200810071951A CN101388292A CN 101388292 A CN101388292 A CN 101388292A CN A2008100719512 A CNA2008100719512 A CN A2008100719512A CN 200810071951 A CN200810071951 A CN 200810071951A CN 101388292 A CN101388292 A CN 101388292A
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solar cell
preparation
tio
thin film
solution
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CN101388292B (en
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魏明灯
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Fuzhou University
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Fuzhou University
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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
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention provides an organic dye-sensitized meso pore TiO2 film based solar cell and a process for preparation, wherein the solar cell is a dye-sensitized solar cell with a sandwich structure. The process for preparation comprises preparing TiO 2 films with regular pore structure through utilizing template agent and the spin coating technology, immersing the TiO2 films into sensitized organic dye solution, and then assembling with counter electrodes and injected liquid electrolytic solution to form a dye-sensitized solar cell with a sandwich structure. The invention has simple process for preparation, reduces cost, and has excellent cell optic properties and superior economical benefits.

Description

Organic dye sensitized meso-porous TiO 2Solar cell of thin film based and preparation method thereof
Technical field
The invention belongs to technical field of solar batteries, more specifically relate to a kind of organic dye sensitized meso-porous TiO 2Solar cell of thin film based and preparation method thereof.
Background technology
Since the beginning of the nineties in last century, the Switzerland scientist is with TiO 2For after positive electrode brings up to 6-7% to the electricity conversion of DSSC, caused in the world widely and paid close attention to that at present, the electricity conversion of this battery has reached 11% level.Yet, because used sensitizer is the complex of noble ruthenium base, costing an arm and a leg, apply the future that hampers this battery.Therefore, the battery of the dye sensitizing agent of exploitation and utilization cheapness is scientist's a research focus always.The relevant patent report of the solar cell of present also not organic dye sensitized meso-porous TiO2 thin film based.
Summary of the invention
The purpose of this invention is to provide a kind of organic dye sensitized meso-porous TiO 2Solar cell of thin film based and preparation method thereof, the preparation method is simple, and cost reduces, and battery performance is good, has excellent economic benefit.
Organic dye sensitized meso-porous TiO of the present invention 2The solar cell of thin film based is characterized in that: described solar cell is the DSSC 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 the mesoporous TiO that is impregnated with organic dyestuff 2Film and electrolyte solution.
Organic dye sensitized meso-porous TiO of the present invention 2The preparation method of the solar cell of thin film based is:
1) uses template and spin coating technique, prepare TiO with regular pore structure 2Film;
2) TiO that step 1) is prepared 2Thin film dippedly take out after 3-6 hour in the photosensitive organic dye solution, the color of electrode film becomes redness by white; Fit together it and to electrode and injection liquid electrolyte solution again, form the DSSC of sandwich structure.
Remarkable advantage of the present invention is: utilization of the present invention has the TiO of regular pore structure 2Membrane electrode has high specific area, helps adsorbing a large amount of dye molecules.Simultaneously, regular pore structure also helps the diffusion apace of electrolyte solution, improves the photoelectric properties of battery; The preparation method is simple, and cost reduces, and has useful economic benefit.
Description of drawings
Fig. 1 is the DSSC schematic diagram of sandwich structure of the present invention.
Fig. 2 is the DSSC electron transfer schematic diagram of sandwich structure of the present invention.
1 electro-conductive glass FTO among Fig. 1, Fig. 2; 2 mesoporous TiO 2Film; 3 organic dyestuff; 4 electrolyte solutions; 5 pairs of electrodes.
Fig. 3 is photoelectric current-voltage curve; Abscissa wherein: open circuit voltage Voc; Ordinate: short circuit current Jsc; FF: fill factor, curve factor; Eff: transformation efficiency.
Fig. 4 is spectral response curve figure, wherein IPCE: quantum conversion; Wavelength: wavelength.
Embodiment
1) uses template and spin coating technique, prepare TiO with regular pore structure 2Film;
2) TiO that step 1) is prepared 2Thin film dippedly take out after 3-6 hour in the photosensitive organic dye solution, the color of electrode film becomes redness by white; Fit together it and to electrode and injection liquid electrolyte solution again, form the DSSC of sandwich structure.
3) has the TiO of regular pore structure 2The preparation process of film is: described TiO with regular pore structure 2The preparation process of film is: adopting high-molecular copolymer P123 is template, be raw material with Ti (OPri), ethanol be solvent (according to routine techniques an amount of just can), compare in mol: the ratio of P123: Ti (OPri)=0.02: 1.0 is modulated into clear solution; Utilize spin coating technique solution coat on electro-conductive glass, through 400-500 ℃ of sintering, make TiO with regular pore structure 2Film.
The organic dyestuff D149 solution that described photosensitive organic dye solution is 0.3mmol.
(100mW 1Sun), measures its electricity conversion under reference condition.For example electrode film thickness is the battery of 6.48 μ m, and its electricity conversion reaches 5.1%.
Following examples further specify the present invention, but the present invention is not limited only to this.
Embodiment 1
Adopting high-molecular copolymer P123 is template, be raw material with Ti (OPri), and an amount of ethanol is solvent, compares in mol: the ratio of P123: Ti (OPri)=0.02: 1.0 is modulated into clear solution; Utilize spin coating technique solution coat on electro-conductive glass, through 400 ℃ of sintering, make TiO with regular pore structure 2Film.
TiO with preparation 2Thin film dipped organic dyestuff D149 solution to 0.3mmol took out after 3 hours, and the color of electrode film becomes redness by white; Fit together it and to electrode and injection liquid electrolyte solution again, form the DSSC of sandwich structure.
Liquid electrolyte solution adopts conventional dye-sensitized solar cell electrolyte solution.
Embodiment 2
Adopting high-molecular copolymer P123 is template, be raw material with Ti (OPri), and an amount of ethanol is solvent, compares in mol: the ratio of P123: Ti (OPri)=0.02: 1.0 is modulated into clear solution; Utilize spin coating technique solution coat on electro-conductive glass, through 500 ℃ of sintering, make TiO with regular pore structure 2Film.
TiO with preparation 2Thin film dipped organic dyestuff D149 solution to 0.3mmol took out after 6 hours, and the color of electrode film becomes redness by white; Fit together it and to electrode and injection liquid electrolyte solution again, form the DSSC of sandwich structure.
Liquid electrolyte solution adopts conventional dye-sensitized solar cell electrolyte solution.
Embodiment 3
Adopting high-molecular copolymer P123 is template, be raw material with Ti (OPri), and an amount of ethanol is solvent, compares in mol: the ratio of P123: Ti (OPri)=0.02: 1.0 is modulated into clear solution; Utilize spin coating technique solution coat on electro-conductive glass, through 450 ℃ of sintering, make TiO with regular pore structure 2Film.
TiO with preparation 2Thin film dipped organic dyestuff D149 solution to 0.3mmol took out after 5 hours, and the color of electrode film becomes redness by white; Fit together it and to electrode and injection liquid electrolyte solution again, form the DSSC of sandwich structure.
Liquid electrolyte solution adopts conventional dye-sensitized solar cell electrolyte solution.

Claims (4)

1. organic dye sensitized meso-porous TiO 2The solar cell of thin film based is characterized in that: described solar cell is the DSSC 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 the mesoporous TiO that is impregnated with organic dyestuff 2Film and electrolyte solution.
2. organic dye sensitized meso-porous TiO as claimed in claim 1 2The preparation method of the solar cell of thin film based is characterized in that: described preparation method's step is:
1) uses template and spin coating technique, prepare TiO with regular pore structure 2Film;
2) TiO that step 1) is prepared 2Thin film dippedly take out after 3-6 hour in the organic dyestuff solution, the color of electrode film becomes redness by white; Fit together it and to electrode and injection liquid electrolyte solution again, form the DSSC of sandwich structure.
3. organic dye sensitized meso-porous TiO according to claim 2 2The preparation method of the solar cell of thin film based is characterized in that: described TiO with regular pore structure 2The preparation process of film is: adopting high-molecular copolymer P123 is template, be raw material with Ti (OPri), and ethanol is solvent, compares in mol: the ratio of P123: Ti (OPri)=0.02: 1.0 is modulated into clear solution; Utilize spin coating technique solution coat on electro-conductive glass, through 400-500 ℃ of sintering, make TiO with regular pore structure 2Film.
4. organic dye sensitized meso-porous TiO according to claim 2 2The preparation method of the solar cell of thin film based is characterized in that: the organic dyestuff D149 solution that described organic dyestuff solution is 0.3mmol.
CN2008100719512A 2008-10-20 2008-10-20 Organic dye sensitized meso-porous TiO2 thin film based solar cell and preparation thereof Expired - Fee Related CN101388292B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102005309A (en) * 2010-12-27 2011-04-06 福州大学 Dyesensitization solar cell containing TiO2 bipyramid and preparation method thereof

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GB201203881D0 (en) * 2012-03-05 2012-04-18 Isis Innovation Mesoporous single crystal semiconductore

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CN100492678C (en) * 2006-09-08 2009-05-27 华侨大学 Method for preparing nanocrystalline titanium dioxide film used by dye sensitization solar battery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102005309A (en) * 2010-12-27 2011-04-06 福州大学 Dyesensitization solar cell containing TiO2 bipyramid and preparation method thereof
CN102005309B (en) * 2010-12-27 2012-05-30 福州大学 Dyesensitization solar cell containing TiO2 bipyramid and preparation method thereof

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