CN102543450B - Method for producing solid-state dye sensitization solar battery under magnetic field - Google Patents

Method for producing solid-state dye sensitization solar battery under magnetic field Download PDF

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CN102543450B
CN102543450B CN2012100240538A CN201210024053A CN102543450B CN 102543450 B CN102543450 B CN 102543450B CN 2012100240538 A CN2012100240538 A CN 2012100240538A CN 201210024053 A CN201210024053 A CN 201210024053A CN 102543450 B CN102543450 B CN 102543450B
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solid
solar cell
magnetic field
sensitized solar
state dye
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CN102543450A (en
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杨英
郭学益
王惟嘉
易鹏飞
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Central South University
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Central South 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

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Abstract

A method for producing a solid-state dye sensitization solar battery under a magnetic field includes the following steps: 1 producing titanium dioxide (TiO2) light anode for dye sensitization, 2 producing magnetic polymer electrolytes, and 3 producing the solid-state dye sensitization solar battery under the magnetic field. The method for producing the solid-state dye sensitization solar battery under the magnetic field is simple and easy and high in photoelectric conversion efficiency when the solid-state dye sensitization solar battery produced with the method is used.

Description

A kind of method of the solid-state dye sensitized solar cell of preparation under magnetic field
Technical field
The present invention relates to a kind of method for preparing solid-state dye sensitized solar cell, especially relate to the method for the solid-state dye sensitized solar cell of preparation under a kind of magnetic field.
Background technology
Compare with traditional silicon solar cell, DSSC is the relatively high novel green electrooptical device of a kind of cheapness, efficient.The major part of DSSC is a TiO 2| dyestuff | electrolytical sandwich structure.The liquid dye sensitization solar battery is with I at present -And I 3 -The liquid solution of oxidation-reduction pair is electrolyte; Due to the mobility of liquid electrolyte, make cell package difficult, easy to leak causes the poor stability of DSSC, is difficult to industrial applications.Solid-state dye sensitized solar cell is the development trend of current DSSC in the world, but the solid polymer electrolyte ionic conductivity is low, to light anode TiO 2Permeability of the membrane is bad, has restricted its development.
Summary of the invention
The technical problem to be solved in the present invention is, overcome that in prior art, the polymer dielectric conductivity is low, permeability is bad and cause the not good enough defective of solar cell properties, the method of the solid-state dye sensitized solar cell of preparation under a kind of magnetic field is provided, use the solar cell of the method preparation, electricity conversion is high.
The present invention solve the technical problem the technical scheme that adopts: a kind of method of the solid-state dye sensitized solar cell of preparation under magnetic field comprises the following steps:
(1) employing is scraped coating method with TiO 2Slip is coated on conductive glass surface, makes it film forming, through 450-500 oC processed after 30-60 minute, put into 0.4-0.6 * 10 -3Mol/L(preferred 0.5 * 10 -3Mol/L) N719 dyestuff (i.e. two (TBuA) cis-two (isothiocyano) two (2,2'-bipyridine-4, the 4'-dicarboxylic acids) ruthenium (II)) room temperature sensitization 12-25 hours (preferred 20 hours) in the middle of ethanol solution, get the TiO of dye sensitization 2The light anode;
Described TiO 2The preferred 1:4 of the solid-to-liquid ratio=1:3-9(of slip);
(2) prepare the raw material of following mass percent: 1-METHYLPYRROLIDONE 85-97%, polysaccharide polymer 1-10%, magnetic nano powder modifier 1-5%, the inorganic mixture 0.3-0.6% of lithium iodide and iodine; In the middle of the 1-METHYLPYRROLIDONE organic solvent, first add polysaccharide polymer, then at 60-90 oStirred 1-4 hour under the C water bath with thermostatic control, then add magnetic nano powder modifier, at 60-90 oBe stirred to the solution that forms homogeneous under C, then add the inorganic mixture of lithium iodide and iodine, continue to stir, until inorganic matter dissolves fully, obtain the magnetic polymer electrolyte of even thickness;
The preferred agarose of described polysaccharide polymer, cellulose or shitosan;
In the inorganic mixture of described lithium iodide and iodine, the mass percent of lithium iodide is 10-40%, and the mass percent of iodine is 60-90%;
The preferred nano NiO of described magnetic nano-particle modifier, nanometer Fe 2O 3Or nano Co 3O 4
(3) TiO that step (2) gained magnetic polymer electrolyte is dripped in step (1) gained dye sensitization 2On the light anode, put into the heat-treatment furnace under the horizontal or vertical direction magnetic fields of 0.1-5T, be warming up to 60-90 oC is incubated 0.5-3 hour, makes the magnetic polymer electrolyte be contracted to thick, adds electrode, continues at 60-90 oUnder C, baking is 1-2 hour, namely makes solid-state dye sensitized solar cell.
The solid-state dye sensitized solar cell for preparing under the present invention's magnetic field, related magnetic nano-particle modifier, aboundresources, cheap, the hydroxyl of the surface hydroxyl of modifier and polymer substrate polysaccharide forms certain chemical bond-linking; The network that the formation of this active force can be strengthened in polymer electrolyte system connects, and is conducive to the effective transmission of oxidation-reduction pair in the middle of the polymer blend electrolyte.Under magnetic field, magnetic polymer electrolysis mass-energy produces certain aligning, and oxidation-reduction pair can more effectively be transmitted, and ion is easy to move and transport in the new network channel that forms; Can increase electrolytical ionic conductivity, electrolyte to the permeability of light anode and the efficient that improves DSSC.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Reference examples
This reference examples comprises the following steps:
(1) employing is scraped coating method with TiO 2Slip (solid-to-liquid ratio is 1:4) is coated on conductive glass surface, makes it film forming, through 450 oC processed after 30 minutes, put into 0.5 * 10 -3In the middle of the N719 dyestuff ethanol solution of mol/L, the room temperature sensitization is 24 hours, gets the TiO of dye sensitization 2The light anode;
(2) prepare the raw material of following mass percent: 1-METHYLPYRROLIDONE 97%, agarose 1.7%, magnetic nano powder modifier NiO 1%, the inorganic mixture 0.3% of lithium iodide and iodine; In the middle of the 1-METHYLPYRROLIDONE organic solvent, first add agarose, then 60 oStirred 4 hours under the C water bath with thermostatic control, then add magnetic nano powder modifier nano NiO, 60 oBe stirred to the solution that forms homogeneous under C, then add the inorganic mixture of lithium iodide and iodine, continue to stir, until inorganic matter dissolves fully, obtain the magnetic polymer electrolyte of even thickness;
In the inorganic mixture of described lithium iodide and iodine, the mass percent of lithium iodide is 10%, and the mass percent of iodine is 90%;
(3) TiO that step (2) gained magnetic polymer electrolyte is dripped in step (1) gained dye sensitization 2On the light anode, put into the heat-treatment furnace that there is no magnetic fields, be warming up to 60 oC is incubated 3 hours, makes the magnetic polymer electrolyte be contracted to thick, adds electrode, continues 70 oUnder C, baking is 1.5 hours, makes solid-state dye sensitized solar cell.
Test the performance of the solid-state dye sensitized solar cell of this reference examples gained: at room temperature environment, use the xenon lamp simulated solar irradiation, light intensity is 80mW/cm 2(light intensity: use under silicon photoelectric diode demarcation condition), recording does not have solid-state dye sensitized solar cell under magnetic fields, and effectively illuminating area is 0.25cm 2Photoelectric conversion efficiency be 2.9%.
Embodiment 1
The present embodiment comprises the following steps:
(1) employing is scraped coating method with TiO 2Slip (solid-to-liquid ratio is 1:4) is coated on conductive glass surface, makes it film forming, through 480 oC processed after 45 minutes, put into 0.5 * 10 -3In the middle of the N719 dyestuff ethanol solution of mol/L, the room temperature sensitization is 20 hours, gets the TiO of dye sensitization 2The light anode;
(2) prepare the raw material of following mass percent: 1-METHYLPYRROLIDONE 93.6%, cellulose 4%, magnetic nano powder modifier nano NiO 2%, the inorganic mixture 0.4% of lithium iodide and iodine; In the middle of the 1-METHYLPYRROLIDONE organic solvent, first add cellulose, then 70 oStirred 2.5 hours under the C water bath with thermostatic control, then add magnetic nano powder modifier nano NiO, 70 oBe stirred to the solution that forms homogeneous under C, then add the inorganic mixture of lithium iodide and iodine, continue to stir, until inorganic matter dissolves fully, obtain the magnetic polymer electrolyte of even thickness;
In the inorganic mixture of described lithium iodide and iodine, the mass percent of lithium iodide is 20%, and the mass percent of iodine is 80%;
(3) TiO that step (2) gained magnetic polymer electrolyte is dripped in step (1) gained dye sensitization 2On the light anode, put into magnetic field size and be 0.5T, magnetic direction is in vertical heat-treatment furnace, to be warming up to 75 oC is incubated 2 hours, makes the magnetic polymer electrolyte be contracted to thick, adds electrode, continues 80 oUnder C, baking is 1.5 hours, makes solid-state dye sensitized solar cell.
The performance of the solid-state dye sensitized solar cell of test the present embodiment gained: at room temperature environment, use the xenon lamp simulated solar irradiation, light intensity is 80mW/cm 2(light intensity: use under silicon photoelectric diode demarcation condition) records the magnetic field size and is 0.5T, and magnetic direction is the solid-state dye sensitized solar cell that makes under vertical effect, and effectively illuminating area is 0.25cm 2Photoelectric conversion efficiency be 5.5%.
Embodiment 2
The present embodiment comprises the following steps:
(1) employing is scraped coating method with TiO 2Slip (solid-to-liquid ratio is 1:5) is coated on conductive glass surface, makes it film forming, through 500 oC processed after 30 minutes, put into 0.6 * 10 -3In the middle of mol/L N719 dye solution, the room temperature sensitization is 15 hours, gets the TiO of dye sensitization 2The light anode;
(2) prepare the raw material of following mass percent: 1-METHYLPYRROLIDONE 89.55%, shitosan 6.5%, magnetic nano powder modifier nanometer Fe 2O 33.5%, the inorganic mixture 0.45% of lithium iodide and iodine; In the middle of the 1-METHYLPYRROLIDONE organic solvent, first add shitosan, then 85 oStirred 1.5 hours under the C water bath with thermostatic control, then add magnetic nano powder modifier nanometer Fe 2O 3, 85 oBe stirred to the solution that forms homogeneous under C, then add the inorganic mixture of lithium iodide and iodine, continue to stir, until inorganic matter dissolves fully, obtain the magnetic polymer electrolyte of even thickness;
In the inorganic mixture of described lithium iodide and iodine, the mass percent of lithium iodide is 35%, and the mass percent of iodine is 65%;
(3) TiO that step (2) gained magnetic polymer electrolyte is dripped in step (1) gained dye sensitization 2On the light anode, put into magnetic field size and be 3.5T, magnetic direction is in heat-treatment furnace under horizontal force, to be warming up to 90 oC is incubated 0.5 hour, makes the magnetic polymer electrolyte be retracted to thick, adds electrode, continues 90 oUnder C, baking is 1 hour, makes solid-state dye sensitized solar cell.
The performance of the solid-state dye sensitized solar cell of test the present embodiment gained: at room temperature environment, use the xenon lamp simulated solar irradiation, light intensity is 80mW/cm 2(light intensity: use under silicon photoelectric diode demarcation condition) records solid-state dye sensitized solar cell under the big or small horizontal magnetic field directive effect in 3.5T magnetic field, and effectively illuminating area is 0.25cm 2Photoelectric conversion efficiency be 4.5%.
Embodiment 3
The present embodiment comprises the following steps:
(1) employing is scraped coating method with TiO 2Slip (solid-to-liquid ratio 1:7) is coated on conductive glass surface, makes it film forming, through 500 oC processed after 35 minutes, put into 0.4 * 10 -3In the middle of the N719 dyestuff ethanol solution of mol/L, the room temperature sensitization is 12 hours, gets the TiO of dye sensitization 2The light anode;
(2) prepare the raw material of following mass percent: 1-METHYLPYRROLIDONE 85.5%, agarose 9%, magnetic nano powder modifier nano Co 3O 45%, the inorganic mixture 0.5% of lithium iodide and iodine; In the middle of the 1-METHYLPYRROLIDONE organic solvent, first add agarose, then 90 oStirred 1 hour under the C water bath with thermostatic control, then add magnetic nano powder modifier nano Co 3O 4, 90 oBe stirred to the solution that forms homogeneous under C, then add the inorganic mixture of lithium iodide and iodine, continue to stir, until inorganic matter dissolves fully, obtain the magnetic polymer electrolyte of even thickness;
In the inorganic mixture of described lithium iodide and iodine, the mass percent of lithium iodide is 25%, and the mass percent of iodine is 75%;
(3) TiO that step (2) gained magnetic polymer electrolyte is dripped in step (1) gained dye sensitization 2On the light anode, put into the heat-treatment furnace under 5T vertical direction magnetic fields, be warming up to 80 oC is incubated 1 hour, makes the magnetic polymer electrolyte be contracted to thick, adds electrode, continues 85 oUnder C, baking is 1 hour, makes solid-state dye sensitized solar cell.
The performance of the solid-state dye sensitized solar cell of test the present embodiment gained: at room temperature environment, use the xenon lamp simulated solar irradiation, light intensity is 80mW/cm 2(light intensity: use under silicon photoelectric diode demarcation condition) records solid-state dye sensitized solar cell under the big or small vertical magnetic field directive effect in 5T magnetic field, and effectively illuminating area is 0.25cm 2Photoelectric conversion efficiency be 5%.
From embodiment 1-3 as seen, be that solid-state dye sensitized solar cell photoelectric conversion efficiency under vertical magnetic fields is 5.5% through the present invention size for 0.5T, direction, than without 2.9% of the solid-state dye sensitized solar cell photoelectric conversion efficiency of magnetic fields, improved approximately 89.7%; Be that 3.5T, direction are that solid-state dye sensitized solar cell photoelectric conversion efficiency under the magnetic fields of level is 4.5% through size, than without 2.9% of the solid-state dye sensitized solar cell photoelectric conversion efficiency of magnetic fields, improved approximately 55.2%; Be that 5T, direction are that solid-state dye sensitized solar cell photoelectric conversion efficiency under vertical magnetic fields is 5% through size, than without 2.9% of the solid-state dye sensitized solar cell photoelectric conversion efficiency of magnetic fields, improved approximately 72.4%.
Under the present invention's magnetic field, the method for the solid-state dye sensitized solar cell of preparation is simple, use the solid-state dye sensitized solar cell of this method preparation, the electrolytical electricity of magnetic polymer is led and permeability improves, and has finally improved the electricity conversion of solid-state dye sensitized solar cell.

Claims (7)

1. the method for the solid-state dye sensitized solar cell of preparation under a magnetic field, is characterized in that, comprises the following steps:
(1) employing is scraped coating method with TiO 2Slip is coated on conductive glass surface, makes it film forming, through 450-500 oC processed after 30-60 minute, put into 0.4-0.6 * 10 -3In the middle of the N719 dyestuff ethanol solution of mol/L, the room temperature sensitization is 12-25 hours, gets the TiO of dye sensitization 2The light anode;
Described TiO 2Solid-to-liquid ratio=the 1:3-9 of slip;
(2) prepare the raw material of following mass percent: 1-METHYLPYRROLIDONE 85-97%, polysaccharide polymer 1-10%, magnetic nano powder modifier 1-5%, the inorganic mixture 0.3-0.6% of lithium iodide and iodine; In the middle of the 1-METHYLPYRROLIDONE organic solvent, first add polysaccharide polymer, then at 60-90 oStirred 1-4 hour under the C water bath with thermostatic control, then add magnetic nano powder modifier, at 60-90 oBe stirred to the solution that forms homogeneous under C, then add the inorganic mixture of lithium iodide and iodine, continue to stir, until inorganic matter dissolves fully, obtain the magnetic polymer electrolyte of even thickness;
(3) TiO that step (2) gained magnetic polymer electrolyte is dripped in step (1) gained dye sensitization 2On the light anode, put into the heat-treatment furnace under the horizontal or vertical direction magnetic fields of 0.1-5T, be warming up to 60-90 oC is incubated 0.5-3 hour, makes the magnetic polymer electrolyte be contracted to thick, adds electrode, continues at 60-90 oUnder C, baking is 1-2 hour, makes solid-state dye sensitized solar cell.
2. the method for the solid-state dye sensitized solar cell of preparation under magnetic field according to claim 1, is characterized in that, in step (1), the concentration of described N719 dyestuff ethanol solution is 0.5 * 10 -3Mol/L.
3. the method for the solid-state dye sensitized solar cell of preparation under magnetic field according to claim 1 and 2, is characterized in that, in step (1), and room temperature sensitization 20 hours.
4. the method for the solid-state dye sensitized solar cell of preparation under magnetic field according to claim 1 and 2, is characterized in that, in step (1), and described TiO 2The solid-to-liquid ratio of slip is 1:4.
5. the method for the solid-state dye sensitized solar cell of preparation under magnetic field according to claim 1 and 2, is characterized in that, in step (2), described polysaccharide polymer is agarose, cellulose or shitosan.
6. the method for the solid-state dye sensitized solar cell of preparation under magnetic field according to claim 1 and 2, is characterized in that, in step (2), described magnetic nano powder modifier is nano NiO, nanometer Fe 2O 3Or nano Co 3O 4
7. prepare the method for solid-state dye sensitized solar cell under magnetic field according to claim 1 and 2, it is characterized in that, in step (2), in the inorganic mixture of described lithium iodide and iodine, the mass percent of lithium iodide is 10-40%, and the mass percent of iodine is 60-90%.
CN2012100240538A 2012-02-03 2012-02-03 Method for producing solid-state dye sensitization solar battery under magnetic field Expired - Fee Related CN102543450B (en)

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CN106098391A (en) * 2016-08-04 2016-11-09 陈毅忠 A kind of preparation method of quasi solid electrolyte photosensitive fuel
CN107039186B (en) * 2017-03-17 2019-08-09 中南大学 Ag2Se quantum dot-dyestuff is total to the preparation method of sensitization solar battery
CN111725566B (en) * 2020-06-30 2021-10-01 中国科学技术大学 Method for preparing solid polymer electrolyte by doping magnetic field orientation organic modified magnetic nano-fibers

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KR100540157B1 (en) * 2003-10-01 2006-01-10 한국과학기술연구원 Solid state dye-sensitized solar cells employing composite polymer electrolytes
CN101226966B (en) * 2008-01-22 2010-07-28 西安交通大学 Customizing electroconductive film of dye sensitization TiO2 nanocrystalline solar battery and preparation thereof
CN101546655B (en) * 2009-01-15 2010-12-29 湘潭大学 Quasi-solid dye sensitized flexible solar cell battery and its preparation method
CN102254701B (en) * 2011-05-17 2012-07-04 武汉理工大学 Anodizing method capable of improving performance of titanium dioxide based dye sensitized solar cell
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