CN101901692A - Solar cell gel electrolyte and preparation method and application thereof - Google Patents
Solar cell gel electrolyte and preparation method and application thereof Download PDFInfo
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Abstract
The invention discloses a solar cell gel electrolyte and a preparation method and application thereof. In the invention, the gel electrolyte is prepared by adding novel dendritic ionic liquid into liquid electrolyte of non-polymeric ionic liquid, additive and iodine monomer, hermetically stirring the mixture for 1 to 20 hours at the temperature of between 50 and 140 DEG C and uniformly dissolving the novel dendritic ionic liquid. The gel electrolyte is dropwise added or injected into the space between a photoanode dye titanium dioxide membrane and a Pt electrode while the gel electrolyte is hot; the gel electrolyte is further heated and subjected to evacuation, so that the gel electrolyte is completely impregnated into the titanium dioxide membrane serving as a porous membrane; and the components are packaged to prepare a quasi-solid fully ionic liquid gel solar cell. The gel electrolyte prepared in the invention does not comprise conventional toxic solvents and thus has the advantages of ready availability, easy package and high stability and high efficiency of the cell. The cell has a few assembly processes and low cost. When a xenon lamp is utilized to simulate the sunshine at the room temperature environment, the measured maximum photoelectric conversion efficiency of the cell is 6.0 percent under the condition that the light intensity is 100mW/cm<2>.
Description
Technical field
The invention belongs to area of solar cell, be specifically related to a kind of solar cell part and preparation method thereof, relate in particular to gel electrolyte of DSSC and preparation method thereof.
Background technology
Electrolyte is the especially core component of DSSC of solar cell, mainly plays the transmission redox couple, the good and bad solar battery efficiency that directly influences of its performance.
Electrolyte for dye-sensitized solar cell exists liquid state, gel, various ways such as solid-state (referring to Dalton.Trans.2008,2655-2666; Adv.Funct.Mater.2009,19,1-16; Adv.Funct.Mater.2007,17,2645-2652).Wherein liquid electrolyte many with organic solvent as electrolyte, as acetonitrile, methoxypropionitrile.Shortcomings such as that this type of liquid electrolyte exists is volatile, encapsulation difficulty, poor stability, high toxicity (referring to: Adv.Funct.Mater.2007,17,2645-2652; Electrochimica Acta, 2006,51,4243-4249).And the general efficient of solid state battery low (referring to Adv.Funct.Mater.2007,16,1832-1838).Gel batteries receives the concern of society because of having higher battery efficiency.Recently, the efficient of gel batteries can reach more than 7% (referring to Adv.Funct.Mater.2007,17,2645-2652, Langmuir 2008,24,9816-9819).
In recent years, because ionic liquid has zero vapour pressure, electrochemical window is wide, heat-resistant stability is high, the conductivity advantages of higher, becomes the novel electrolytes that is applicable to that solar energy is used.But ionic liquid electrolyte presents liquid state more, has the long-time leakage problems that occurs of using, and causes the decline of battery performance, and environment is had a negative impact.At present, the polymer that the gel-like DSSC is used mostly is polyvinyl alcohol, polymethacrylates, polystyrene, polyacrylonitrile, poly(ethylene oxide), Kynoar and their copolymer commonly used, and the inorganic nano material of use such as TiO are also arranged
2, SiO
2Deng gelling agent, but the migration of electrolytic conductivity and iodine is not contributed.Gel electrolyte generally all contains the organic solvent of higher boiling points such as PC, EC, DMF, NMP, GBL, NMO, leaks easily, and has certain toxicity.
For example: the patent No. is that 200610105327.0 Chinese invention patent discloses a kind of polymeric ionic liquid based gel polymer electrolyte and preparation method thereof, and described electrolyte is made up of mixture, polyacrylonitrile (PAN) and 0-0.5 part silicon dioxide of polymethacrylate polymeric ionic liquid, iodine, ethylene carbonate and propene carbonate.But this electrolyte contains conventional organic solvents such as ethylene carbonate and propene carbonate, reveals easily, and has certain toxicity; Polyacrylonitrile only has the effect of prop carrier, to the conductivity of gel electrolyte and the not contribution of migration of iodine.
Publication number is that the Chinese invention patent Shen Qing Publication specification of CN 101245186A discloses a kind of gel poly ion liquid electrolyte for solar battery, its percentage by weight component is: polyhistidyl ester ionic liquid 98～96%, elemental iodine 1～2%, lithium iodide 1～2%, all summation is 100%; Described polyhistidyl ester ionic liquid monomer is [R
1NHCOOHCH
2C
3H
2NR
2NR
3]
+X
-, wherein, R
1Be benzoyl or BOC base; R
2, R
3Be alkyl, X is I
-, SeCN
-Or SCN
-This electrolyte has nontoxic, environmental friendliness, and cheap advantage; In addition, the gel electrolyte of this histidine derivative series has outstanding adhesive property, platinum electrode is firmly sticked, improved the fill factor, curve factor of battery, and the solid-state electrolyte Dye-sensitized nano-crystalline solar battery of formation good stability, but battery efficiency is lower, and photoelectric conversion efficiency is 1.99%.
Summary of the invention
The object of the invention provides a kind of solar cell gel electrolyte.
For achieving the above object, the technical solution used in the present invention is: a kind of solar cell gel electrolyte, comprise non-polymeric type ionic liquid, additive and elemental iodine, and also comprise the dendroid ionic liquid, and according to mass percent, each components contents is:
Dendroid ionic liquid 5-60%;
Non-polymeric type ionic liquid 15-85%;
Additive 0.5-10%;
Elemental iodine 0.5-15%;
Described dendroid ionic liquid is a kind of among G1-X, G2-X or the G3-X, and wherein, the chemical formula of G1-X, G2-X or G3-X is as follows,
G1-X：?
G2-X：
G3-X：
X in the above-mentioned chemical formula is selected from: I
-, Br
-, Cl
-, SCN
-, N (CN)
2 -, C (CN)
3 -, B (CN)
4 -, BF
4 -, PF
6 -, CF
3SO
3 -, C
2F
5SO
3 -, [N (SO
2CF
3)
2]
-(TFSI
-) or CF
3COO
-Anion;
Described non-polymeric type ionic liquid comprises glyoxaline ion liquid
With
And according to mass ratio,
Be 1～4: 1, m=0-5 wherein, n=0-5; Z is selected from: I, SCN, BF
4, CF
3SO
3, N (CN)
2, C (CN)
3, B (CN)
4, [N (SO
2CF
3)
2] in a kind of;
Described additive is selected from: tert .-butylpyridine, N-tolimidazole or N-butyl benzimidazole a kind of.
The effect of described additive is to improve open circuit voltage.
But described dendroid preparation method of ionic liquid reference literature: Journal ofElectroanalytical Chemistry 2001,498,34-43; Angew.Chem.Int.Ed.2000,39,807-809.
The present invention provides the method for the above-mentioned gel electrolyte of preparation simultaneously, may further comprise the steps:
According to mass percent:
Dendroid ionic liquid 5-60%;
Non-polymeric type ionic liquid 15-85%;
Additive 0.5-10%;
Elemental iodine 0.5-15%;
The dendroid ionic liquid is joined in the liquid electrolyte of non-polymeric type ionic liquid, additive and elemental iodine composition, under 50-140 ℃, airtight stirring 1-20h dissolving evenly forms gel electrolyte.
Gel electrolyte of the present invention is applicable to solar cell, is particularly useful for DSSC, uses the method that above-mentioned gel electrolyte prepares solar cell and may further comprise the steps:
(1) according to mass percent:
Dendroid ionic liquid 5-60%;
Non-polymeric type ionic liquid 15-85%;
Additive 0.5-10%;
Elemental iodine 0.5-15%;
The dendroid ionic liquid is joined in the liquid electrolyte of non-polymeric type ionic liquid, additive and elemental iodine composition, under 50-140 ℃, airtight stirring 1-20h dissolving evenly forms gel electrolyte;
(2) step (1) gained gel electrolyte is added between light anode dyestuff titanium dioxide film and the Pt electrode while hot, by further heating, vacuumize to handle and make gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulate again and make accurate solid-state full ionic liquid gel solar cell.
Because the technique scheme utilization, the present invention compared with prior art has following advantage:
1. because the present invention introduces the novel dendritic ionic liquid in the gel electrolyte system, form spatial network, just form the good gel electrolyte of homogeneity in the electrolyte short time easily, can keep higher conductivity, help the migration of iodide ion; And the ion liquid structure of described dendroid can conveniently obtain by the meticulous design of structure, as: with I
-, Br
-, Cl
-Etc. anionic poly ion liquid is presoma, can obtain the novel dendritic ionic liquid of various anionics very easily by the anion exchange technology, and then prepare multiple gel electrolyte, and then can select different dendroid ionic liquids to prepare the high gel electrolyte solar cell of battery efficiency;
2. the gel electrolyte of the present invention's preparation is formed novelty, easily encapsulation, and the stability of battery is high, the battery efficiency height; The battery assembly program is few, and cost is low; And the accurate solid-state full ionic liquid gel electrolyte of the present invention's preparation does not contain traditional toxic solvent, can not pollute environment, is difficult for revealing and burning.
Description of drawings
Fig. 1 is the preparation flow schematic diagram of G1-X among the embodiment one, and wherein X is Br;
Fig. 2 is the preparation flow schematic diagram of G2-X among the embodiment two, and wherein X is Br;
Fig. 3 is the preparation flow schematic diagram of G3-X among the embodiment three, and wherein X is Br.
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment
Embodiment one
The preparation of G1-Br:, get 2.5 parts referring to Fig. 1
Add 1 part
Stirring at room two days, the ether washing is removed unreacted raw material 3 times, removes and desolvates.Add an amount of hydrogen bromide and acetic acid, behind 60 ℃ of following reaction 6h, remove raw material and solvent.With the ethanol dissolving, add 2 parts again
60 ℃ are fully reacted after 2 days down, remove ethanol, vacuum drying.Promptly get product G 1-Br.
Embodiment two
The preparation of G2-Br:, get 1 part referring to Fig. 2
Add 4.5 parts
Ethanol is solvent, and 60 ℃ were stirred two days, remove ethanol after, the ether washing is removed unreacted raw material 3 times, removes and desolvates.Add an amount of hydrogen bromide and acetic acid, behind 60 ℃ of following reaction 8h, remove raw material and solvent.With the ethanol dissolving, add 2 parts again
60 ℃ are fully reacted after 2 days down, remove ethanol, vacuum drying.Promptly get product G 2-Br.
Embodiment three
The preparation of G2-TFSI: referring to Fig. 3, get 1 part of G1-Br, behind the deionized water dissolving, add 1.2 parts of two fluoroform sulfimide lithiums (LiTFSI), behind the stirring at room 12h, remove and anhydrate.Promptly get product G 2-TFSI.
Embodiment four:
G1-I 0.045g,
0.38g,
0.38g, tert .-butylpyridine 0.09g, elemental iodine 0.005g, under 50 ℃, mix and stir 20h, obtain gel electrolyte, drip to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further heating makes gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulates to make accurate solid-state full ionic liquid gel solar cell again.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 5.0%.
Embodiment five
G1-TFSI 0.2g,
0.25g,
0.15g, tert .-butylpyridine 0.04g, elemental iodine 0.01g, under 80 ℃, mix and stir 15h, obtain gel electrolyte, be expelled to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further vacuumize and make gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulate again and make accurate solid-state full ionic liquid gel solar cell.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 4.8%.
Embodiment six
G1-PF
60.16g,
0.048g,
0.012g, tert .-butylpyridine 0.01g, elemental iodine 0.04g, under 120 ℃, mix and stir 2h, obtain gel electrolyte, drip to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further heating makes gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulates to make accurate solid-state full ionic liquid gel solar cell again.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 4.3%.
Embodiment seven
G2-I 0.045g,
0.38g,
0.38g, tert .-butylpyridine 0.09g, elemental iodine 0.005g, under 50 ℃, mix and stir 20h, obtain gel electrolyte, drip to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further heating makes gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulates to make accurate solid-state full ionic liquid gel solar cell again.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 3.8%.
Embodiment eight
G2-BF
40.2g,
0.25g,
0.15g, tert .-butylpyridine 0.04g, elemental iodine 0.01g, under 80 ℃, mix and stir 15h, obtain gel electrolyte, be expelled to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further vacuumize and make gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulate again and make accurate solid-state full ionic liquid gel solar cell.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 5.0%.
Embodiment nine
G2-SCN 0.16g,
0.048g,
0.012g, tert .-butylpyridine 0.01g, elemental iodine 0.04g, under 120 ℃, mix and stir 2h, obtain gel electrolyte, drip to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further heating makes gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulates to make accurate solid-state full ionic liquid gel solar cell again.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 5.3%.
Embodiment ten
G2-TFSI 0.2g,
0.25g,
0.15g, tert .-butylpyridine 0.04g, elemental iodine 0.01g, under 80 ℃, mix and stir 15h, obtain gel electrolyte, be expelled to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further vacuumize and make gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulate again and make accurate solid-state full ionic liquid gel solar cell.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 5.5%.
Embodiment 11
G3-Br 0.045g,
0.38g,
0.38g, tert .-butylpyridine 0.09g, elemental iodine 0.005g, under 50 ℃, mix and stir 20h, obtain gel electrolyte, drip to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further heating makes gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulates to make accurate solid-state full ionic liquid gel solar cell again.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 4.5%.
Embodiment 12
G3-TFSI 0.2g,
0.25g,
0.15g, tert .-butylpyridine 0.04g, elemental iodine 0.01g, under 80 ℃, mix and stir 15h, obtain gel electrolyte, be expelled to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further vacuumize and make gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulate again and make accurate solid-state full ionic liquid gel solar cell.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 4.3%.
Embodiment 13
G3-N (CN)
20.16g,
0.048g,
0.012g, tert .-butylpyridine 0.01g, elemental iodine 0.04g, under 120 ℃, mix and stir 2h, obtain gel electrolyte, drip to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further heating makes gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulates to make accurate solid-state full ionic liquid gel solar cell again.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 5.1%.
Embodiment 14
G3-Br 0.045g,
0.6g,
0.2g, tert .-butylpyridine 0.09g, elemental iodine 0.005g, under 50 ℃, mix and stir 20h, obtain gel electrolyte, drip to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further heating makes gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulates to make accurate solid-state full ionic liquid gel solar cell again.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 3.5%.
Embodiment 15
G3-I 0.045g,
0.38g,
0.38g, tert .-butylpyridine 0.09g, elemental iodine 0.005g, under 50 ℃, mix and stir 20h, obtain gel electrolyte, drip to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further heating makes gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulates to make accurate solid-state full ionic liquid gel solar cell again.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 4.2%.
Embodiment 16
G3-TFSI 0.2g,
0.25g,
0.15g, tert .-butylpyridine 0.04g, elemental iodine 0.01g, under 80 ℃, mix and stir 15h, obtain gel electrolyte, be expelled to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further vacuumize and make gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulate again and make accurate solid-state full ionic liquid gel solar cell.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 5.4%.
Embodiment 17
G3-N (CN)
20.16g,
0.048g,
0.012g, tert .-butylpyridine 0.01g, elemental iodine 0.04g, under 120 ℃, mix and stir 2h, obtain gel electrolyte, drip to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further heating makes gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulates to make accurate solid-state full ionic liquid gel solar cell again.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 5.0%.
Embodiment 18
G3-CF
3SO
30.045g,
0.4g,
0.4g, tert .-butylpyridine 0.09g, elemental iodine 0.005g, under 50 ℃, mix and stir 20h, obtain gel electrolyte, drip to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further heating makes gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulates to make accurate solid-state full ionic liquid gel solar cell again.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 5.8%.
Embodiment 19
G3-TFSI 0.2g,
0.3g,
0.15g, tert .-butylpyridine 0.04g, elemental iodine 0.03g, under 80 ℃, mix and stir 15h, obtain gel electrolyte, be expelled to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further vacuumize and make gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulate again and make accurate solid-state full ionic liquid gel solar cell.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 6.0%.
Embodiment 20
G2-CF
3SO
30.2g,
0.25g,
0.15g, tert .-butylpyridine 0.04g, elemental iodine 0.01g, under 80 ℃, mix and stir 15h, obtain gel electrolyte, be expelled to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further vacuumize and make gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulate again and make accurate solid-state full ionic liquid gel solar cell.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 5.0%.
Embodiment 21
G3-TFSI 0.2g,
0.25g,
0.15g, tert .-butylpyridine 0.04g, elemental iodine 0.01g, under 80 ℃, mix and stir 12h, obtain gel electrolyte, be expelled to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further vacuumize and make gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulate again and make accurate solid-state full ionic liquid gel solar cell.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 4.5%.
Embodiment 22
G3-Br 0.045g,
0.38g,
0.38g, tert .-butylpyridine 0.09g, elemental iodine 0.005g, under 50 ℃, mix and stir 20h, obtain gel electrolyte, drip to while hot between light anode dyestuff titanium dioxide film and the Pt electrode, further heating makes gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulates to make accurate solid-state full ionic liquid gel solar cell again.At room temperature environment, use the xenon lamp simulated solar irradiation, light intensity 100mW/cm
2Under the condition, record battery (effective area 0.16cm
2) photoelectric conversion efficiency is 4.5%.
Claims (3)
1. a solar cell gel electrolyte comprises non-polymeric type ionic liquid, additive and elemental iodine, it is characterized in that, also comprises the dendroid ionic liquid, and according to mass percent, each components contents is:
Dendroid ionic liquid 5%-60%;
Non-polymeric type ionic liquid 15%-85%;
Additive 0.5%-10%;
Elemental iodine 0.5%-15%;
Described dendroid ionic liquid is a kind of among G1-X, G2-X or the G3-X, and wherein, the chemical formula of G1-X, G2-X or G3-X is as follows,
G1-X：
G2-X：
G3-X：
Wherein, X is selected from: I
-, Br
-, Cl
-, SCN
-, N (CN)
2 -, C (CN)
3 -, B (CN)
4 -, BF
4 -, PF
6 -, CF
3SO
3 -, C
2F
5SO
3 -, [N (SO
2CF
3)
2]
-Or CF
3COO
-Anion;
Described non-polymeric type ionic liquid comprises: glyoxaline ion liquid
With
, and according to mass ratio,
:
Be 1～4: 1, m=0-5 wherein, n=0-5; Z is selected from: I, SCN, BF
4, CF
3SO
3, N (CN)
2, C (CN)
3, B (CN)
4, [N (SO
2CF
3)
2] in a kind of;
Described additive is selected from: tert .-butylpyridine, N-tolimidazole or N-butyl benzimidazole a kind of.
2. a method for preparing the described gel electrolyte of claim 1 is characterized in that, may further comprise the steps:
According to the component of the described gel electrolyte of claim 1, the dendroid ionic liquid is joined in the liquid electrolyte of non-polymeric type ionic liquid, additive and elemental iodine composition, under 50-140 ℃, airtight stirring 1-20h dissolving evenly forms gel electrolyte.
3. a method for preparing solar cell is characterized in that, may further comprise the steps:
(1) according to the component of the described gel electrolyte of claim 1, the dendroid ionic liquid is joined in the liquid electrolyte of non-polymeric type ionic liquid, additive and elemental iodine composition, under 50-140 ℃, airtight stirring 1-20h dissolving evenly forms gel electrolyte;
(2) step (1) gained gel electrolyte is added between light anode dyestuff titanium dioxide film and the Pt electrode while hot, by further heating, vacuumize to handle and make gel electrolyte be penetrated into fully in the titanium dioxide film perforated membrane, encapsulate again and make accurate solid-state full ionic liquid gel solar cell.
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| CN1738072A (en) * | 2005-09-01 | 2006-02-22 | 复旦大学 | Dye sensitization nanocrystalline solar battery based on dendroid compounds and its preparing method |
| CN1880349A (en) * | 2005-06-13 | 2006-12-20 | 中国科学院化学研究所 | Gelatin type polymer solid electrolyte and its dedicated polymer and preparation method |
| WO2008020643A1 (en) * | 2006-08-14 | 2008-02-21 | The Yokohama Rubber Co., Ltd. | Clay modified electolyte for a dye-sensitized solar cell |
| CN101635200A (en) * | 2009-08-18 | 2010-01-27 | 苏州大学 | Electrolyte of dye-sensitized solar cells and preparation method and application thereof |
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| CN1880349A (en) * | 2005-06-13 | 2006-12-20 | 中国科学院化学研究所 | Gelatin type polymer solid electrolyte and its dedicated polymer and preparation method |
| CN1738072A (en) * | 2005-09-01 | 2006-02-22 | 复旦大学 | Dye sensitization nanocrystalline solar battery based on dendroid compounds and its preparing method |
| WO2008020643A1 (en) * | 2006-08-14 | 2008-02-21 | The Yokohama Rubber Co., Ltd. | Clay modified electolyte for a dye-sensitized solar cell |
| CN101635200A (en) * | 2009-08-18 | 2010-01-27 | 苏州大学 | Electrolyte of dye-sensitized solar cells and preparation method and application thereof |
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