CN101515505B - Method for preparing platinum electrode of dye sensitized solar cell - Google Patents
Method for preparing platinum electrode of dye sensitized solar cell Download PDFInfo
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- CN101515505B CN101515505B CN 200910021796 CN200910021796A CN101515505B CN 101515505 B CN101515505 B CN 101515505B CN 200910021796 CN200910021796 CN 200910021796 CN 200910021796 A CN200910021796 A CN 200910021796A CN 101515505 B CN101515505 B CN 101515505B
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- Y02E10/542—Dye sensitized solar cells
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to a method for preparing a platinum electrode of the dye sensitized solar cell, belonging to the technical field of dye sensitized solar cells and comprising the following steps: 1) a glass substrate or a flexible substrate is soaked and cleaned in an ultrasonic cleaning machine; 2) heated and stirred in water bath, ethyl cellulose is slowly added into terpineol liquid according to the mass percentage to form an organic carrier; 3) analytically pure chloroplatinic acid is dissolved in the terpineol liquid in advance and then is added into the organic carrier and stirred evenly to prepare chloroplatinic acid slurry, the percentage of the chloroplatinic acid in the chloroplatinic acid slurry ranges from 0.1% to 1.0%; 4) a screen printing process is adopted and the prepared slurry is evenly coated on the clean conductive glass substrate or flexible substrate; and 5) after sintering, a uniform platinum electrode of large area is formed on the conductive glass substrate or flexible substrate. The method can improve the photoelectric conversion efficiency of the cell and the prepared cell has relatively good repeatability.
Description
Technical field
The invention belongs to the research field of DSSC, be specifically related to a kind of preparation method of platinum electrode of dye sensitized solar cell.
Background technology
The Institute of Technology such as Lausanne, SUI height in 1991
Professor has used nanometer technology on the DSSC, has obtained significant effect, and therefore the research of DSSC also obtained international extensive concern and attention.
DSSC is mainly formed by nano porous semiconductor film light anode, dye sensitizing agent, electrolyte with to several parts such as electrodes.Because electrode is played transmission electronic and light-catalysed effect, so the electric transmission speed of electrode and photocatalysis effect play an important role to the raising of the photoelectric conversion efficiency of battery.
The present employing platinum electrode that electrode is had of DSSC, the then employing carbon that has is as to electrode.Though the carbon cost is low, but adhesive force on substrate of glass and catalytic are far away not as good as platinum electrode, thereby the photoelectric properties and all too late platinum electrode of long-time stability that cause DSSC, so the technology of preparing of platinum electrode becomes the problem of broad research.The preparation method of platinum electrode has pyrolysismethod, galvanoplastic, magnetron sputtering method etc. at present, and is wherein low and easy and simple to handle with the pyrolysismethod preparation cost.But along with the research demand of large-area DSSC, the aqueous isopropanol of the spin-coating method of laboratory employing at present or dropping chloroplatinic acid all demonstrates bigger limitation in the method for substrate of glass.The size that mainly shows the spin-coating method glass substrate be difficult to strengthen, having relatively high expectations and serious wastage of material phenomenon is arranged equipment; The aqueous isopropanol that drips chloroplatinic acid then shows significant inhomogeneities on substrate of glass, cause the face resistance of platinum electrode inhomogeneous, thereby has influence on battery performance repeated relatively poor of batch preparation.Therefore, the technology of preparing of efficient large-area platinum electrode seems particularly important in the research of large-area dye-sensitized solar battery.
Summary of the invention
The face resistance of the preparation platinum electrode that exists at prior art is inhomogeneous, and batch relatively poor problem of performance repeatability the invention provides a kind of preparation method of platinum electrode of dye sensitized solar cell, comprises the steps:
1) substrate of large-area transparent electro-conductive glass or flexible substrates are used distilled water successively, analyzes pure absolute ethyl alcohol or analyzed pure acetone soaking and washing 15 minutes in the ultrasonic cleaning machine, dry standby.
2) add under the thermal agitation 60 ℃ of water-baths, 1: 5 by mass percentage～1: 9 ratio of 10-200g ethyl cellulose is slowly added in the terpinol liquid, mix and stir 2h, forming viscosity is the organic carrier of 5.7～5.9Cp;
3) 1.0g is analyzed in the terpinol liquid that pure chloroplatinic acid is dissolved in 10g in advance, join above-mentioned steps 2 then) organic carrier in, stir, forming viscosity is the chloroplatinic acid slurry of 5.8～6.0Cp, and the percentage range of chloroplatinic acid is 0.1%～1.0% in the chloroplatinic acid slurry;
4) silk screen printing: the technology that adopts silk screen printing to apply, use 250～400 order silk screens, the slurry that configures evenly is coated in the substrate of large-area transparent electro-conductive glass or flexible substrates that cleans up;
5), forming uniform large tracts of land platinum electrode in the substrate of electro-conductive glass or on the flexible substrates through behind 450 ℃ of sintering 30min.
Method of the present invention is compared with sputtering method with traditional chloroplatinic acid decomposition method, the electrode activity height of Pt slurry method preparation, and cost of manufacture is also low, is the preferred process of preparation large tracts of land Pt electrode.Prepared platinum electrode surface resistance is even, and the DSSC performance has clear improvement, and batch preparation repeatability better.Being evenly distributed of chloroplatinic acid can be improved the transmission speed of electronics, reduces electronics to the loss on the electrode, thereby improves the photoelectric conversion efficiency of battery.The application of screen printing technique makes batch preparation of platinum electrode have better repeatability, guarantees the preparation technology's of large-area dye-sensitized solar battery platinum electrode stability.
Embodiment
Embodiment 1:
The preparation method of platinum electrode of dye sensitized solar cell according to claim 1 comprises the steps:
1) substrate of large-area transparent electro-conductive glass is used distilled water successively, analyzes pure absolute ethyl alcohol or analyzed pure acetone soaking and washing 15 minutes in the ultrasonic cleaning machine, dry standby.
2) add under the thermal agitation 60 ℃ of water-baths, 1: 9 by mass percentage ratio of 10g ethyl cellulose is slowly added in the terpinol liquid, mix and stir 2h, forming viscosity is the organic carrier of 5.7Cp;
3) 1.0g is analyzed in the terpinol liquid that pure chloroplatinic acid is dissolved in 10g in advance, join 89g above-mentioned steps 2 then) organic carrier in, stir, forming viscosity is the chloroplatinic acid slurry of 5.8Cp, and the percentage range of chloroplatinic acid is 1.0% in the chloroplatinic acid slurry;
4) silk screen printing: the technology that adopts silk screen printing to apply, use 250 order silk screens, the slurry that configures evenly is coated in the large-area transparent electro-conductive glass substrate that cleans up;
5), in the substrate of electro-conductive glass, form uniform large tracts of land platinum electrode through behind 450 ℃ of sintering 30min.
Embodiment 2:
The preparation method of platinum electrode of dye sensitized solar cell according to claim 1 comprises the steps:
1) the large area flexible substrate is used distilled water successively, analyzes pure absolute ethyl alcohol or analyzed pure acetone soaking and washing 15 minutes in the ultrasonic cleaning machine, dry standby.
2) add under the thermal agitation 60 ℃ of water-baths, 1: 7 by mass percentage ratio of 30g ethyl cellulose is slowly added in the terpinol liquid, mix and stir 2h, forming viscosity is the organic carrier of 5.8Cp;
3) 1.0g is analyzed in the terpinol liquid that pure chloroplatinic acid is dissolved in 10g in advance, join 189g above-mentioned steps 2 then) organic carrier in, stir, forming viscosity is the chloroplatinic acid slurry of 5.9Cp, and the percentage range of chloroplatinic acid is 0.5% in the chloroplatinic acid slurry;
4) silk screen printing: the technology that adopts silk screen printing to apply, use 300 order silk screens, the slurry that configures evenly is coated in the large area flexible substrate that cleans up;
5), on flexible substrates, form uniform large tracts of land platinum electrode through behind 450 ℃ of sintering 30min.
Embodiment 3:
The preparation method of platinum electrode of dye sensitized solar cell according to claim 1 comprises the steps:
1) substrate of large-area transparent electro-conductive glass is used distilled water successively, analyzes pure absolute ethyl alcohol or analyzed pure acetone soaking and washing 15 minutes in the ultrasonic cleaning machine, dry standby.
2) add under the thermal agitation 60 ℃ of water-baths, 1: 5 by mass percentage ratio of 200g ethyl cellulose is slowly added in the terpinol liquid, mix and stir 2h, forming viscosity is the organic carrier of 5.9Cp;
3) 1.0g is analyzed in the terpinol liquid that pure chloroplatinic acid is dissolved in 10g in advance, join 989g above-mentioned steps 2 then) organic carrier in, stir, forming viscosity is the chloroplatinic acid slurry of 6.0Cp, and the percentage range of chloroplatinic acid is 0.1% in the chloroplatinic acid slurry;
4) silk screen printing: the technology that adopts silk screen printing to apply, use 400 order silk screens, the slurry that configures evenly is coated in the large-area transparent electro-conductive glass substrate that cleans up;
5), in the substrate of electro-conductive glass, form uniform large tracts of land platinum electrode through behind 450 ℃ of sintering 30min.
Experimental result:
On clean conductive glass with 250 purpose stainless steel wire reticulated printing 1.5cm * 1.5cm TiO
2Film, dry about 15min puts into Muffle furnace then and anneals under 80 ℃ of conditions, with the speed intensification of 5 ℃/min, at 450 ℃ of insulation 15min, 500 ℃ of insulation 15min, natural cooling promptly forms required TiO
2Film.
The platinum electrode of the pyrolysismethod preparation that platinum electrode and traditional isopropyl alcohol of the method for the invention preparation is solvent and the TiO for preparing above
2Film assembled battery respectively, wherein dyestuff is the N719 of 0.3mmol/L, redox electrolytes liquid proportioning is: in acetonitrile solvent, 0.05mol/LI
2, 0.1mol/L LiI, 0.4mol/L TBP.
Adopt the solar simulator of Oriel, simulation AM1.5, exposure light power 1000W/m
2Down, with the I-V curve of two kinds of batteries of Keithley data source table test, the gained result as shown in Figure 1, among the figure: 1 be the battery of preparation method's preparation of platinum electrode of the present invention, and 2 is the battery that traditional chloroplatinic acid decomposition method prepares.
From test result as can be seen, aspects such as the short circuit current of battery, open circuit voltage and fill factor, curve factor are significantly improved, and the efficient of DSSC has obtained obvious improvement.
Claims (4)
1. the preparation method of a platinum electrode of dye sensitized solar cell is characterized in that, comprises the steps:
1) with the substrate of large-area transparent electro-conductive glass or flexible substrates successively in the ultrasonic cleaning machine with distilled water, analyze pure absolute ethyl alcohol or analyze pure acetone and soak and cleaned 15 minutes, dry standby;
2) add under the thermal agitation 60 ℃ of water-baths, 1: 5 by mass percentage～1: 9 ratio of 10-200g ethyl cellulose is slowly added in the terpinol liquid, mix and stir 2h, forming viscosity is the organic carrier of 5.7～5.9Cp;
3) 1.0g is analyzed in the terpinol liquid that pure chloroplatinic acid is dissolved in 10g in advance, join above-mentioned steps 2 then) the organic carrier of 89-989g in, stir, forming viscosity is the chloroplatinic acid slurry of 5.8～6.0Cp, and the percentage range of chloroplatinic acid is 0.1%～1.0% in the chloroplatinic acid slurry;
4) silk screen printing: the technology that adopts silk screen printing to apply, use 250～400 order silk screens, the slurry that configures evenly is coated in the substrate of large-area transparent electro-conductive glass or flexible substrates that cleans up;
5), forming uniform large tracts of land platinum electrode in the substrate of electro-conductive glass or on the flexible substrates through behind 450 ℃ of sintering 30min.
2. the preparation method of platinum electrode of dye sensitized solar cell according to claim 1 is characterized in that, comprises the steps:
In described step 1), with the substrate of large-area transparent electro-conductive glass successively in the ultrasonic cleaning machine with distilled water, analyze pure absolute ethyl alcohol or analyze pure acetone and soak and cleaned 15 minutes, dry standby;
In described step 2) in, add under the thermal agitation 60 ℃ of water-baths, 1: 9 by mass percentage ratio of 10g ethyl cellulose is slowly added terpinol liquid, mix and stir 2h, forming viscosity is the organic carrier of 5.7Cp;
In described step 3), 1.0g is analyzed in the terpinol liquid that pure chloroplatinic acid is dissolved in 10g in advance, joins above-mentioned steps 2 then) the 89g organic carrier in, stir, forming viscosity is the chloroplatinic acid slurry of 5.8Cp, and the percentage range of chloroplatinic acid is 1.0% in the chloroplatinic acid slurry;
In described step 4), silk screen printing: the technology that adopts silk screen printing to apply, use 250 order silk screens, the slurry that configures evenly is coated in the large-area transparent electro-conductive glass substrate that cleans up;
In described step 5), behind 450 ℃ of sintering 30min, in the substrate of electro-conductive glass, form uniform large tracts of land platinum electrode.
3. the preparation method of platinum electrode of dye sensitized solar cell according to claim 1 is characterized in that, comprises the steps:
In described step 1), with the large area flexible substrate successively in the ultrasonic cleaning machine with distilled water, analyze pure absolute ethyl alcohol or analyze pure acetone and soak and cleaned 15 minutes, dry standby;
In described step 2) in, add under the thermal agitation 60 ℃ of water-baths, 1: 7 by mass percentage ratio of 30g ethyl cellulose is slowly added in the terpinol liquid, mix and stir 2h, forming viscosity is the organic carrier of 5.8Cp;
In described step 3), 1.0g is analyzed in the terpinol liquid that pure chloroplatinic acid is dissolved in 10g in advance, joins above-mentioned steps 2 then) the 189g organic carrier in, stir, forming viscosity is the chloroplatinic acid slurry of 5.9Cp, and the percentage range of chloroplatinic acid is 0.5% in the chloroplatinic acid slurry;
In described step 4): silk screen printing: the technology that adopts silk screen printing to apply, use 300 order silk screens, the slurry that configures evenly is coated in the large area flexible substrate that cleans up;
In described step 5), behind 450 ℃ of sintering 30min, on flexible substrates, form uniform large tracts of land platinum electrode.
4. the preparation method of platinum electrode of dye sensitized solar cell according to claim 1 is characterized in that, comprises the steps:
In described step 1), the substrate of large-area transparent electro-conductive glass is used distilled water successively, analyzes pure absolute ethyl alcohol or analyzed pure acetone soaking and washing 15 minutes in the ultrasonic cleaning machine, dry standby;
In described step 2) in, add under the thermal agitation 60 ℃ of water-baths, 1: 5 by mass percentage ratio of 200g ethyl cellulose is slowly added in the terpinol liquid, mix and stir 2h, forming viscosity is the organic carrier of 5.9Cp;
In described step 3), 1.0g is analyzed in the terpinol liquid that pure chloroplatinic acid is dissolved in 10g in advance, joins above-mentioned steps 2 then) the 989g organic carrier in, stir, forming viscosity is the chloroplatinic acid slurry of 6.0Cp, and the percentage range of chloroplatinic acid is 0.1% in the chloroplatinic acid slurry;
In described step 4): silk screen printing: the technology that adopts silk screen printing to apply, use 400 order silk screens, the slurry that configures evenly is coated in the large-area transparent electro-conductive glass substrate that cleans up;
In described step 5), behind 450 ℃ of sintering 30min, in the substrate of electro-conductive glass, form uniform large tracts of land platinum electrode.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522463A (en) * | 2012-01-12 | 2012-06-27 | 黑龙江大学 | Preparation method of poly(5-trifluoromethyl-1,3-phenylenediamine)/laminar platinum particula film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101645353B (en) * | 2009-09-04 | 2011-12-07 | 新奥科技发展有限公司 | Chloroplatinic acid slurry and preparation method and application thereof |
| CN101707140B (en) * | 2009-11-23 | 2011-10-26 | 新奥科技发展有限公司 | Method for preparing platinum counter electrode of dye-sensitized solar cell and platinum counter electrode |
| CN101714462B (en) * | 2009-11-23 | 2013-01-16 | 新奥科技发展有限公司 | Method for preparing platinum counter electrode of dye sensitization solar battery and platinum counter electrode |
| CN102543256B (en) * | 2012-03-14 | 2015-04-29 | 奇瑞汽车股份有限公司 | Chloroplatinic acid slurry, preparation method thereof, counter electrode, and dye-sensitized solar cell |
| CN103050288A (en) * | 2012-12-24 | 2013-04-17 | 彩虹集团公司 | Light transformation film pulp for dye sensitization solar battery |
| CN103915259A (en) * | 2014-04-09 | 2014-07-09 | 华东理工大学 | Nano platinum hydrosol and application of nano platinum hydrosol to preparing sintering-free platinum electrode |
| CN104609361B (en) * | 2014-12-23 | 2016-04-06 | 蒋鸥 | A kind of preparation method of interconnection type platinum nano thin-film |
| CN106098388B (en) * | 2016-07-09 | 2019-06-07 | 湖北凯特电源科技有限公司 | The preparation method containing platinum electrode of uninterruptible power supply |
| CN108735967B (en) * | 2016-07-09 | 2019-09-27 | 徐州鑫通电力设备有限公司 | The preparation method containing platinum electrode of high energy efficiency battery of mobile phone |
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| US20060107997A1 (en) * | 2004-11-22 | 2006-05-25 | Fujikura Ltd. | Electrode, photoelectric conversion element, and dye-sensitized solar cell |
| CN101271775A (en) * | 2008-04-30 | 2008-09-24 | 天津大学 | Platinum alloy electrode and method for producing the same |
| CN101373670A (en) * | 2008-10-09 | 2009-02-25 | 彩虹集团公司 | Method for preparing porous platinum electrode of solar cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20060107997A1 (en) * | 2004-11-22 | 2006-05-25 | Fujikura Ltd. | Electrode, photoelectric conversion element, and dye-sensitized solar cell |
| CN101271775A (en) * | 2008-04-30 | 2008-09-24 | 天津大学 | Platinum alloy electrode and method for producing the same |
| CN101373670A (en) * | 2008-10-09 | 2009-02-25 | 彩虹集团公司 | Method for preparing porous platinum electrode of solar cell |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522463A (en) * | 2012-01-12 | 2012-06-27 | 黑龙江大学 | Preparation method of poly(5-trifluoromethyl-1,3-phenylenediamine)/laminar platinum particula film |
| CN102522463B (en) * | 2012-01-12 | 2013-12-25 | 黑龙江大学 | Preparation method of poly(5-trifluoromethyl-1,3-phenylenediamine)/laminar platinum particula film |
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