CN101819890A - Conductive plastic substrate-based dye-sensitized solar cell (DSSC) and preparation method thereof - Google Patents

Conductive plastic substrate-based dye-sensitized solar cell (DSSC) and preparation method thereof Download PDF

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Publication number
CN101819890A
CN101819890A CN 201010160677 CN201010160677A CN101819890A CN 101819890 A CN101819890 A CN 101819890A CN 201010160677 CN201010160677 CN 201010160677 CN 201010160677 A CN201010160677 A CN 201010160677A CN 101819890 A CN101819890 A CN 101819890A
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Prior art keywords
electrode
conductive plastic
dssc
plastic substrate
work electrode
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Chinese (zh)
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彭天右
范科
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Wuhan University WHU
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Wuhan University WHU
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/20—Light-sensitive devices
    • H01G9/2027—Light-sensitive devices comprising an oxide semiconductor electrode
    • H01G9/2031—Light-sensitive devices comprising an oxide semiconductor electrode comprising titanium oxide, e.g. TiO2
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/20—Light-sensitive devices
    • H01G9/2059—Light-sensitive devices comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/20—Light-sensitive devices
    • H01G9/2095—Light-sensitive devices comprising a flexible sustrate
    • 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

Abstract

The invention discloses a conductive plastic substrate-based dye-sensitized solar cell (DSSC) and a manufacturing method thereof. The conductive plastic basement-based dye-sensitized solar cell (DSSC) comprises a working electrode, an electrolyte and a counter electrode, wherein the working electrode comprises a conductive plastic substrate, a surface oxide layer, a semiconductor oxide layer and a sensitizing dye layer of the conductive plastic substrate. The method for manufacturing the working electrode comprises the following steps of: adding appropriate dispersing agent and adhesive in the nano-semiconductor oxide; ball-milling and uniformly mixing the mixture to manufacture a size, and uniformly coating the size on the pre-processed conductive plastic substrate to carry out low-temperature drying; quickly immersing the pre-processed conductive plastic substrate in a ruthenium bipyridyl dye-containing ethanol solution; and then putting in a dark place so as to obtain a flexible working electrode. The dye-sensitized solar cell (DSSC) of the invention uses the conductive plastics as the substrate of the flexible working electrode, which significantly reduces the product cost and expands the application scope of the components; therefore, the conductive plastic substrate-based dye-sensitized solar cell has great economic benefits.

Description

A kind of DSSC based on the conductive plastics substrate and preparation method thereof
Technical field
The invention belongs to the new energy materials technical field.Be particularly related to a kind of DSSC and preparation method thereof.
Background technology
Along with the fast development of economy, ore class energy resource consumptions such as oil, coal increase day by day, and the mankind are faced with the challenge of source shortage.Meanwhile, the pollution of environment has threatened human survival and development.Therefore, the new forms of energy of exploitation cleaning and solution problem of environmental pollution are extremely urgent.
(Dye-Sensitized Solar Cell, DSSC) because its higher electricity conversion (greater than 11%), lower cost and eco-friendly characteristics are expected to become the replacement product of conventional solid-state silion cell to DSSC.Generally speaking, its basic structure of DSSC is mainly by transparent conducting glass substrate, TiO 2Nanocrystalline porous film, dyestuff, electrolyte solution and electrode (generally scribbling Pt) formed.The basic functional principle of DSSC is: when energy is lower than semiconductor nano TiO 2Energy gap, but the incident light irradiation that equals the dye molecule characteristic absorption wavelength is on electrode the time is adsorbed on electronics induced transition in the dye molecule of electrode surface to excitation state, is re-introduced into TiO 2Conduction band, and dye molecule self becomes oxidation state.Be injected into TiO 2In electronics be enriched to conducting glass substrate by diffusion, enter external circuit then.The dye molecule that is in oxidation state electron gain and be reduced into ground state from electrolyte solution, oxidized electrons spread is to electrode in the electrolyte, and this has just finished an Optical Electro-Chemistry reaction cycle.
DSSC is the nanocrystalline porous film of preparation on electro-conductive glass mostly.By the calcining of 450-500 ℃ of temperature, remove TiO 2Organic additive in the electrode production process strengthens TiO 2Between particle and the connectivity of substrate.Though electro-conductive glass substrate DSSC efficient is higher, but electro-conductive glass weight is big, frangible, shortcoming such as freely deformable brings inconvenience for the practical application of DSSC yet, and the cost of electro-conductive glass accounts for the entire product cost half, if can use flexible and cheap material to replace electro-conductive glass, can greatly expand its application, reduce its production cost.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of flexible dye-sensitized solar battery and preparation method thereof at the situation of above-mentioned prior art.
Product of the present invention includes work electrode, dielectric substrate and to electrode.Its dielectric substrate and be common type to electrode, its work electrode comprises conductive plastics substrate and oxide layer, conductor oxidate layer and sensitizing dyestuff layer.
Preparation method of the present invention is by the preparation work electrode with to electrode, configuration electrolyte with assemble three operations and constituted.The configuration of its preparation to electrode, electrolyte and assembling procedure are conventional operation, and the preparation section of its work electrode is:
1, with quantitative nanometer semiconductor oxidation, add an amount of dispersant and adhesive, after mixing, ball milling makes slurry;
2, get above-mentioned slurry and evenly be applied on the pretreated conductive plastics substrate, and carry out corresponding dried, promptly obtain preliminary work electrode;
3, the primary work electrode is carried out dye sensitization and handle, promptly get work electrode.
Employed dispersant is a common dispersants in the above-mentioned operation, and adhesive is its combination metatitanic acid lipid of single metatitanic acid lipid that includes butyl titanate, iso-butyl titanate, titanium propanolate, isopropyl titanate.
DSSC of the present invention is used the compliant conductive plastic-substrates, and membrane electrode is flawless, light weight, and homogeneity is good, and controllable film thickness has higher electricity conversion.Make engineering and under normal pressure and temperature, carry out, need not sintering, saved energy consumption, can reduce cost significantly.The characteristics of its flexible have also been expanded the range of application of device simultaneously, such as embedding laptop computer, charge under illumination; For mobile phone was powered under sunshine; To family supply electric consumption on lighting etc., even can be widely used on the daily living article such as clothing, have very big development potentiality.
Description of drawings
Fig. 1 is the sem photograph of the embodiment of the invention 1～3 gained work electrode.
Fig. 2 is the AC impedance spectrogram of the embodiment of the invention 1～3 gained solar cell.
Fig. 3 is the electron lifetime-open circuit voltage figure of the embodiment of the invention 1～3 gained solar cell.
Fig. 4 be the embodiment of the invention 1～3 gained solar cell illumination current-voltage figure.
In the accompanying drawing: the corresponding embodiment 1 of a, the corresponding embodiment 2 of b, the corresponding embodiment 3 of c.
Embodiment
Below in conjunction with following examples the present invention is further introduced:
Embodiment 1:
One, preparation work electrode:
1, with the 1.0g nano titanium oxide (Degussa, P25), 4.4mL dispersant and 0.08g adhesive fully mix, and makes slurry after ball milling mixes:
2, get above-mentioned slurry and evenly be applied in the pretreated conductive plastics substrate, after the drying at room temperature, 60-150 ℃ of oven dry 0.5-6h obtains the primary work electrode;
3, with above-mentioned primary work electrode, immerse rapidly in the ethanolic solution of ruthenium bipyridyliums dyestuff (as N719) of 0.1mM, lucifuge is placed more than the 10h, makes N719 fully be adsorbed onto the porous membrane electrode surface, obtains compliant conductive plastics work electrode.
Two, by common method configuration electrolyte solution commonly used and preparation commonly used to electrode.
Three, assembling:
To cover on the sensitization electrode electrode, two electrodes stagger a little, with clip two electrodes are clamped.Mobile electrolyte solution is added drop-wise to the sensitization work electrode and between the electrode with syringe, electrolyte solution is infiltering between two electrodes and uniform spreading is opened very soon under the effect of capillary force, be assembled into DSSC.The wire coupling electrode is used for performance test or external circuit supply.
Embodiment 2:
One, preparation work electrode:
1, with the 1.0g nano titanium oxide (Degussa, P25), 4.4mL dispersant and 0.17g adhesive fully mix, and makes slurry after ball milling mixes:
2, get above-mentioned slurry and evenly be applied in the pretreated conductive plastics substrate, after the drying at room temperature, 60-150 ℃ of oven dry 0.5-6h obtains the primary work electrode;
3, with above-mentioned primary work electrode, immerse rapidly in the ethanolic solution of ruthenium bipyridyliums dyestuff (as N719) of 0.1mM, lucifuge is placed more than the 10h, makes N719 fully be adsorbed onto the porous membrane electrode surface, obtains compliant conductive plastics work electrode.
Two, by common method configuration electrolyte solution commonly used and preparation commonly used to electrode.
Three, assembling:
To cover on the sensitization electrode electrode, two electrodes stagger a little, with clip two electrodes are clamped.Mobile electrolyte solution is added drop-wise to the sensitization work electrode and between the electrode with syringe, electrolyte solution is infiltering between two electrodes and uniform spreading is opened very soon under the effect of capillary force, be assembled into DSSC.The wire coupling electrode is used for performance test or external circuit supply.
Embodiment 3:
One, preparation work electrode:
1, with the 1.0g nano titanium oxide (Degussa, P25), 4.4mL dispersant and 0.34g adhesive fully mix, and makes slurry after ball milling mixes:
2, get above-mentioned slurry and evenly be applied in the pretreated conductive plastics substrate, after the drying at room temperature, 60-150 ℃ of oven dry 0.5-6h obtains the primary work electrode;
3, with above-mentioned primary work electrode, immerse rapidly in the ethanolic solution of ruthenium bipyridyliums dyestuff (as N719) of 0.1mM, lucifuge is placed more than the 10h, makes N719 fully be adsorbed onto the porous membrane electrode surface, obtains compliant conductive plastics work electrode.
Two, by common method configuration electrolyte solution commonly used and preparation commonly used to electrode.
Three, assembling:
To cover on the sensitization electrode electrode, two electrodes stagger a little, with clip two electrodes are clamped.Mobile electrolyte solution is added drop-wise to the sensitization work electrode and between the electrode with syringe, electrolyte solution is infiltering between two electrodes and uniform spreading is opened very soon under the effect of capillary force, be assembled into DSSC.The wire coupling electrode is used for performance test or external circuit supply.
The Performance Detection experimental result of the foregoing description is seen accompanying drawing.The result shows: through optimizing the adhesive consumption, be the pattern that the DSSC of substrate has homogeneous with the conductive plastics, the adhesive force between film and conductive plastics is stronger, and device can be crooked and be difficult for producing slight crack, has higher transformation efficiency.

Claims (3)

1. DSSC based on the conductive plastics substrate includes work electrode, dielectric substrate and to electrode, it is characterized in that:
Described work electrode comprises conductive plastics substrate and oxide layer, conductor oxidate layer and sensitizing dyestuff layer.
2. method for preparing the described DSSC based on the conductive plastics substrate of claim 1 by the preparation work electrode with to electrode, configuration electrolyte with assemble three operations and constituted, is characterized in that the operation of described preparation work electrode is:
1) with quantitative nanometer semiconductor oxidation, add an amount of dispersant and adhesive, after mixing, ball milling makes slurry;
2) get above-mentioned slurry and evenly be applied on the pretreated conductive plastics substrate, and carry out corresponding dried, promptly obtain preliminary work electrode;
3) the primary work electrode is carried out dye sensitization and handle, promptly get work electrode.
3. according to the preparation method of the described DSSC based on the conductive plastics substrate of claim 2, it is characterized in that: described adhesive is its combination metatitanic acid lipid of single metatitanic acid lipid that includes butyl titanate, iso-butyl titanate, titanium propanolate, isopropyl titanate.
CN 201010160677 2010-04-22 2010-04-22 Conductive plastic substrate-based dye-sensitized solar cell (DSSC) and preparation method thereof Pending CN101819890A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103165287A (en) * 2013-03-08 2013-06-19 北京化工大学 Method for manufacturing nano titanium dioxide thin film through photocuring
CN104488052A (en) * 2012-02-29 2015-04-01 诺基亚公司 A stretchable electronic apparatus and associated methods
CN104798157A (en) * 2012-10-08 2015-07-22 麻省理工学院 Plasmon-enhanced dye-sensitized solar cells

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1719624A (en) * 2004-07-09 2006-01-11 中国科学院化学研究所 A kind of low temperature prepares TiO 2The method of nano-crystal porous film electrode
CN101314523A (en) * 2007-05-28 2008-12-03 比亚迪股份有限公司 Titanium dioxide thin film and preparation thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1719624A (en) * 2004-07-09 2006-01-11 中国科学院化学研究所 A kind of low temperature prepares TiO 2The method of nano-crystal porous film electrode
CN101314523A (en) * 2007-05-28 2008-12-03 比亚迪股份有限公司 Titanium dioxide thin film and preparation thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
《Solar energy materials & solar cells》 20080627 Elias Stathatos et al. 《Quasi-solid-state dye-sensitized solar cells employing nanocrystalline TiO2 films made at low temperature》 第1359-1360页 第92卷, 第11期 *
《科学通报》 20050331 李成玉 等 热液法低温制备纳晶TiO2多孔薄膜电极 第527页右栏第4行至第528页右栏倒数第1行 1-3 第50卷, 第6期 2 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104488052A (en) * 2012-02-29 2015-04-01 诺基亚公司 A stretchable electronic apparatus and associated methods
CN104798157A (en) * 2012-10-08 2015-07-22 麻省理工学院 Plasmon-enhanced dye-sensitized solar cells
CN104798157B (en) * 2012-10-08 2020-07-28 麻省理工学院 Plasmon-enhanced dye-sensitized solar cell
CN103165287A (en) * 2013-03-08 2013-06-19 北京化工大学 Method for manufacturing nano titanium dioxide thin film through photocuring
CN103165287B (en) * 2013-03-08 2016-01-13 北京化工大学 Photocuring prepares the method for Nano-titania Porous Films

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Application publication date: 20100901