CN102324319A - Method for preparing graphene/platinum nano counter electrode material for dye sensitized solar cell - Google Patents

Method for preparing graphene/platinum nano counter electrode material for dye sensitized solar cell Download PDF

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CN102324319A
CN102324319A CN201110193459A CN201110193459A CN102324319A CN 102324319 A CN102324319 A CN 102324319A CN 201110193459 A CN201110193459 A CN 201110193459A CN 201110193459 A CN201110193459 A CN 201110193459A CN 102324319 A CN102324319 A CN 102324319A
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graphene
polyelectrolyte
platinum
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chloroplatinic acid
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CN102324319B (en
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王忠胜
宫峰
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Fudan 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 belongs to the technical field of dye sensitized solar cells, in particular to a method for preparing a graphene/platinum nano counter electrode material for a dye sensitized solar cell. The method comprises the following steps of: soaking a conducting substrate on which a polyelectrolyte is adsorbed in a graphene suspension, a polyelectrolyte solution and a chloroplatinic acid solution in sequence in an electrostatic self-assembly way to form a self-assembly ultrathin film with a polyelectrolyte/graphene/polyelectrolyte/chloroplatinic acid structure on the surface of the conducting substrate under the action of electrostatic attraction; and sintering and transforming into a 'graphene/platinum nanoparticle' ultrathin film. The film can be taken as a counter electrode material for the dye sensitized solar cell. The preparation method has a simple process, the prepared counter electrode has extremely low platinum load amount, the cost of the counter electrode and the dye sensitized solar cell is greatly lowered, and the method can be applied to large-scale production of assembly line operation.

Description

Used by dye sensitization solar battery Graphene/platinum nanometer is to the preparation method of electrode material
Technical field
The invention belongs to the DSSC technical field, be specifically related to the preparation method of a kind of Graphene/platinum nanometer of used by dye sensitization solar battery electrode material.
Background technology
Since M. Gr professor tzel in 1991 introduces dye sensitization broad stopband TiO with the notion of nanoporous 2In the semiconducter research; Obtain energy conversion efficiency 7.1 % dye-sensitized solar cells (dye-sensitized solar cells, DSSCs) since (Nature, 1991; 353; 737), DSSCs obtains international academia and industrial quarters extensive concern rapidly with its low cost, simple relatively manufacture craft, higher characteristics such as electricity conversion.
DSSCs mainly forms by the porous semi-conductor nano-crystal film of dye sensitization, electrolyte with to electrode.Dye molecule excites after receiving illumination, and electronics injects the conduction band of semiconductive thin film, and electronics is got back to electrode through external circuit; I -Ions diffusion reduction-oxidation attitude dyestuff to the semiconductive thin film makes dyestuff regeneration, I -Ion is oxidized to I 3 -Ion, the latter obtains electronics generation I on to electrode -Ion, so circulation, thus realize opto-electronic conversion.In this process, reduce because above-mentioned reduction reaction is being very necessary to the energy consumption on the electrode.Therefore, as one of them important component part, to the catalytic performance of electrode electricity conversion important influence to DSSCs.Platinum adopts magnetron sputtering (Electrochimi. Acta., 2001,46 usually to electrode; 3457) and chloroplatinic acid thermal decomposition (J. Electrochem. Soc., 1997,144; 876) method makes; Though catalysis performance preferably and combination property are arranged because platinum is noble metal, with these methods as if being used for large-scale production and application has tangible limitation.Therefore reduce the platinum load capacity, and to keep catalytic activity and photovoltaic performance to electrode be a research focus.
Summary of the invention
What the object of the present invention is to provide that a kind of platinum load capacity is low, utilance is high is used for the preparation method of used by dye sensitization solar battery Graphene/nano platinum particle to electrode material.
Used by dye sensitization solar battery Graphene provided by the invention/platinum nanometer is to the preparation method of electrode material, and concrete steps are following:
(1) conductive substrates that cleans up is dipped in 0.1-5 h in the polyelectrolyte solution, take out the back with solvent washing, dry up;
(2) immerse 0.1-5 h in graphene suspension or the platinum acid chloride solution again;
(3) repeat above-mentioned steps (1), (2), carry out self assembly layer by layer, form (polyelectrolyte/Graphene) on the conductive substrates surface mOr (polyelectrolyte/chloroplatinic acid) nOr (polyelectrolyte/Graphene) m/ (polyelectrolyte/chloroplatinic acid) nSelf-assembling ultrathin film Deng different structure, the different numbers of plies.M, n are respectively number of repetition.General m, n are no more than 50;
(4) with above-mentioned ultrathin membrane sintering in air, temperature is 100-600 ℃, and the time is 0.1-5 h, makes it and changes into (Graphene) mOr (nano platinum particle) nOr (Graphene) m/ (nano platinum particle) nIsostructural ultrathin membrane.So-called ultrathin membrane, generally its thickness < 5nm.
Among the above-mentioned preparation method, described conductive substrates is materials such as electro-conductive glass, conductive polymer membrane.
Among the above-mentioned preparation method; In the said polyelectrolyte solution; Polyelectrolyte is cationic polyelectrolytes such as diallyl dimethyl ammoniumchloride, polymine, and its solvent is water, absolute ethyl alcohol, ether or acetone, or several kinds mixed solvent wherein; The mass fraction of polyelectrolyte is 0.001-10 %, and the pH value is 6-13.Preferably: the mass fraction of polyelectrolyte is 0.1%--2 %, and the pH value is 8--10.
Among the above-mentioned preparation method, the solvent of said graphene suspension is water, absolute ethyl alcohol, N, dinethylformamide or dimethyl sulfoxide (DMSO), or several kinds mixed solvent wherein, and the mass fraction of Graphene is 0.001-5 %, the pH value is 6-13.Preferably: the mass fraction of Graphene is 0.1%--1%, and the pH value is 9--10.
Among the above-mentioned preparation method, the solvent of said platinum acid chloride solution is water, absolute ethyl alcohol, isopropyl alcohol or acetone, or several kinds mixed solvent wherein, and the mass fraction of chloroplatinic acid is 0.001 %--20 %.The mass fraction of preferred chloroplatinic acid is 0.1 %-2 %.
Among the above-mentioned preparation method, ultrathin membrane is sintering in air, and preferred temperature is 400--600 ℃, and the time is 0.5--3h.
By prepared the having of said method (Graphene) m, (nano platinum particle) nOr (Graphene) m/ (nano platinum particle) nIsostructural ultrathin membrane can be used as used by dye sensitization solar battery to electrode material.
The thin-film material of the present invention's preparation because the specific area of metal platinum nano-particle is big, and by graphene-supported, can significantly improve catalytic effect.With this ultrathin membrane (platinum load capacity: 0.4 μ g cm -2) be used for dye-sensitized solar cells to electrode, can obtain platinum mirror with magnetron sputtering preparation to electrode (platinum load capacity: 308.9 μ g cm -2) suitable energy conversion efficiency.Technology of the present invention is simple, and the prepared platinum load capacity to electrode is extremely low, greatly reduces the cost to electrode and even dye-sensitized solar cells, can be applicable to the large-scale production of pipelining.
Description of drawings
Fig. 1 hangs down the SEM photo of the Graphene/nano platinum particle of platinum load capacity to electrode for the present invention.
(effective area is 0.2304 cm to the I-V curve chart of the DSSCs compare test that Fig. 2 assembles electrode for the platinum mirror of the present invention and magnetron sputtering preparation 2).
Embodiment
Below in conjunction with specific embodiment the present invention is done further explain.
Embodiment 1
Clean conductive glass is dipped in 2 h in the diallyl dimethyl ammoniumchloride aqueous solution that mass fraction is 0.5 %; Take out back water flushing, dry up; Immerse mass fraction again and be 2 h in the Graphene water slurry of 0.05 %, take out back water flushing, dry up, and then immerse 2 h in the above-mentioned polyelectrolyte; Take out back water flushing, dry up; Immerse at last 2 h in the chloroplatinic acid aqueous solution that mass fraction is 0.05 % again, take out back water flushing, dry up, the formation structure is the self-assembling ultrathin film of polyelectrolyte/Graphene/polyelectrolyte/chloroplatinic acid.With above-mentioned ultrathin membrane 400 ℃ of sintering 1 h in air, forming structure is the ultrathin membrane of Graphene/nano platinum particle.
According to conventional methods with this ultrathin membrane as electrode is assembled into DSSCs, cell area is 0.2304 cm 2Under the AM1.5 simulated solar irradiation, record current-voltage (I-V) curve (shown in Fig. 2 curve 1) of DSSC, the photovoltage that obtains opening a way ( V Oc ) be 707 mV, short-circuit photocurrent ( J Sc ) be 15.20 mA/cm 2, fill factor, curve factor ( FF) be 0.71, energy conversion efficiency ( η) be 7.63 %.
Embodiment 2
Clean conductive glass is dipped in 0.5 h in the diallyl dimethyl ammoniumchloride aqueous solution that mass fraction is 2 %; Take out back water flushing, dry up, immerse mass fraction again and be 0.5 h in the Graphene alcohol suspension of 0.1 %, take out the back with alcohol flushing, dry up; Repeat above-mentioned self assembling process 1 time; And then immerse 0.5 h in the above-mentioned polyelectrolyte, and take out back water flushing, dry up, immerse 0.5 h in the chloroplatinic acid aqueous solution that mass fraction is 1 % at last again; Take out back water flushing, dry up, forming structure is (polyelectrolyte/Graphene) 2The self-assembling ultrathin film of/polyelectrolyte/chloroplatinic acid.With above-mentioned ultrathin membrane 450 ℃ of sintering 1 h in air, forming structure is (Graphene) 2The ultrathin membrane of/nano platinum particle.
According to conventional methods with this ultrathin membrane as electrode is assembled into DSSCs, cell area is 0.2304 cm 2Under the AM1.5 simulated solar irradiation, record current-voltage (I-V) curve of DSSC, the photovoltage that obtains opening a way ( V Oc ) be 713 mV, short-circuit photocurrent ( J Sc ) be 13.93 mA/cm 2, fill factor, curve factor ( FF) be 0.72, energy conversion efficiency ( η) be 7.15 %.
Embodiment 3
Clean conductive glass is dipped in 0.2 h in the diallyl dimethyl ammoniumchloride aqueous solution that mass fraction is 5 %; Take out back water flushing, dry up; Immerse 0.2 h in the chloroplatinic acid aqueous solution that mass fraction is 1 % again; Take out back water flushing, dry up, forming structure is the self-assembling ultrathin film of polyelectrolyte/chloroplatinic acid.With above-mentioned ultrathin membrane 500 ℃ of sintering 0.2 h in air, forming structure is the ultrathin membrane of nano platinum particle.
According to conventional methods with this ultrathin membrane as electrode is assembled into DSSCs, cell area is 0.2304 cm 2Under the AM1.5 simulated solar irradiation, record current-voltage (I-V) curve of DSSC, the photovoltage that obtains opening a way ( V Oc ) be 672 mV, short-circuit photocurrent ( J Sc ) be 10.12 mA/cm 2, fill factor, curve factor ( FF) be 0.68, energy conversion efficiency ( η) be 4.62 %.
Embodiment 4
Clean conductive glass is dipped in 0.1 h in the diallyl dimethyl ammoniumchloride aqueous solution that mass fraction is 10 %; Take out back water flushing, dry up, immerse mass fraction again and be 1 h in the Graphene alcohol suspension of 0.02 %, take out the back with alcohol flushing, dry up; And then immerse 0.1 h in the above-mentioned polyelectrolyte; Take out back water flushing, dry up, immerse 0.5 h in the chloroplatinic acid aqueous solution that mass fraction is 0.1 % again, take out back water flushing, dry up; Repeat above-mentioned Graphene self assembling process again, the formation structure is the self-assembling ultrathin film of polyelectrolyte/Graphene/polyelectrolyte/chloroplatinic acid/polyelectrolyte/Graphene.With above-mentioned ultrathin membrane 350 ℃ of sintering 2 h in air, the formation structure is the ultrathin membrane of Graphene/nano platinum particle/Graphene.
According to conventional methods with this ultrathin membrane as electrode is assembled into DSSCs, cell area is 0.2304 cm 2Under the AM1.5 simulated solar irradiation, record current-voltage (I-V) curve of DSSC, the photovoltage that obtains opening a way ( V Oc ) be 677 mV, short-circuit photocurrent ( J Sc ) be 8.29 mA/cm 2, fill factor, curve factor ( FF) be 0.59, energy conversion efficiency ( η) be 3.31 %.
Embodiment 5
Clean conductive glass is dipped in 0.5 h in the diallyl dimethyl ammoniumchloride aqueous solution that mass fraction is 5 %; Take out back water flushing, dry up; Immerse mass fraction again and be 0.5 h in the Graphene alcohol suspension of 0.02 %; Take out the back with alcohol flushing, dry up, the formation structure is the self-assembling ultrathin film of polyelectrolyte/Graphene.Just above-mentioned ultrathin membrane is 450 ℃ of sintering 1 h in air, and forming structure is the ultrathin membrane of Graphene.
According to conventional methods with this ultrathin membrane as electrode is assembled into DSSCs, cell area is 0.2304 cm 2Under the AM1.5 simulated solar irradiation, record current-voltage (I-V) curve of DSSC, the photovoltage that obtains opening a way ( V Oc ) be 709 mV, short-circuit photocurrent ( J Sc ) be 10.64 mA/cm 2, fill factor, curve factor ( FF) be 0.25, energy conversion efficiency ( η) be 1.89 %.
Embodiment 6
Clean conductive glass is dipped in 1 h in the polyethyleneimine: amine aqueous solution that mass fraction is 0.5 %; Take out back water flushing, dry up; Immerse mass fraction again and be 1 h in the Graphene water slurry of 0.05 %, take out back water flushing, dry up, and then immerse 1 h in the above-mentioned polyelectrolyte; Take out back water flushing, dry up; Immerse at last 1 h in the chloroplatinic acid aqueous solution that mass fraction is 0.05 % again, take out back water flushing, dry up, the formation structure is the self-assembling ultrathin film of polyelectrolyte/Graphene/polyelectrolyte/chloroplatinic acid.With above-mentioned ultrathin membrane 300 ℃ of sintering 5 h in air, forming structure is the ultrathin membrane of Graphene/nano platinum particle.
According to conventional methods with this ultrathin membrane as electrode is assembled into DSSCs, cell area is 0.2304 cm 2Under the AM1.5 simulated solar irradiation, record current-voltage (I-V) curve of DSSC, the photovoltage that obtains opening a way ( V Oc ) be 665 mV, short-circuit photocurrent ( J Sc ) be 9.40 mA/cm 2, fill factor, curve factor ( FF) be 0.63, energy conversion efficiency ( η) be 3.94 %.
Embodiment 7
Clean conductive glass is dipped in 0.5 h in the polyethyleneimine: amine aqueous solution that mass fraction is 5 %; Take out back water flushing, dry up; Immerse mass fraction again and be 1 h in the Graphene water slurry of 0.05 %, take out back water flushing, dry up, and then immerse 0.5 h in the above-mentioned polyelectrolyte; Take out back water flushing, dry up; Immerse at last 0.5 h in the chloroplatinic acid aqueous solution that mass fraction is 2 % again, take out back water flushing, dry up, the formation structure is the self-assembling ultrathin film of polyelectrolyte/Graphene/polyelectrolyte/chloroplatinic acid.With above-mentioned ultrathin membrane 500 ℃ of sintering 1 h in air, forming structure is the ultrathin membrane of Graphene/nano platinum particle.
According to conventional methods with this ultrathin membrane as electrode is assembled into DSSCs, cell area is 0.2304 cm 2Under the AM1.5 simulated solar irradiation, record current-voltage (I-V) curve of DSSC, the photovoltage that obtains opening a way ( V Oc ) be 695 mV, short-circuit photocurrent ( J Sc ) be 14.74 mA/cm 2, fill factor, curve factor ( FF) be 0.71, energy conversion efficiency ( η) be 7.27 %.
Embodiment 8
Clean conductive glass is dipped in 0.1 h in the polyethyleneimine: amine aqueous solution that mass fraction is 15 %; Take out back water flushing, dry up; Immerse mass fraction again and be 0.1 h in the Graphene water slurry of 0.5 %, take out back water flushing, dry up, and then immerse 0.1 h in the above-mentioned polyelectrolyte; Take out back water flushing, dry up; Immerse at last 0.1 h in the chloroplatinic acid aqueous solution that mass fraction is 5 % again, take out back water flushing, dry up, the formation structure is the self-assembling ultrathin film of polyelectrolyte/Graphene/polyelectrolyte/chloroplatinic acid.With above-mentioned ultrathin membrane 600 ℃ of sintering 0.5 h in air, forming structure is the ultrathin membrane of Graphene/nano platinum particle.
According to conventional methods with this ultrathin membrane as electrode is assembled into DSSCs, cell area is 0.2304 cm 2Under the AM1.5 simulated solar irradiation, record current-voltage (I-V) curve of DSSC, the photovoltage that obtains opening a way ( V Oc ) be 713 mV, short-circuit photocurrent ( J Sc ) be 12.82 mA/cm 2, fill factor, curve factor ( FF) be 0.72, energy conversion efficiency ( η) be 6.58 %.
Comparative example 1
As comparing; We are also under the identical situation of every other condition; Adopt the platinum mirror of magnetron sputtering method preparation that electrode has been assembled DSSC, under the AM1.5 simulated solar irradiation, record current-voltage (I-V) curve (shown in Fig. 2 curve 2) of DSSC, the photovoltage that obtains opening a way ( V Oc ) be 713 mV, short-circuit photocurrent ( J Sc ) be 14.80 mA/cm 2, fill factor, curve factor ( FF) be 0.76, energy conversion efficiency ( η) be 8.02 %.
According to the embodiment of the invention 1 preparation to electrode, energy conversion efficiency can reach the level suitable to electrode with the platinum mirror, explains that it has quite high catalytic activity, (is respectively 0.4 μ g cm but its platinum load capacity is merely the nearly one thousandth of platinum mirror -2With 308.9 μ g cm -2).Manufacturing conditions of the present invention is gentle, and technology is also very simple, and the consumption of noble metal platinum is reduced greatly, thereby greatly reduces the manufacturing cost to electrode and even dye-sensitized solar cells, is expected to be applied to the large-scale production of pipelining.

Claims (5)

1. a used by dye sensitization solar battery Graphene/nano platinum particle is characterized in that to the preparation method of electrode material concrete steps are following:
(1) conductive substrates that cleans up is dipped in 0.1-5 h in the polyelectrolyte solution, take out the back with solvent washing, dry up;
(2) immerse 0.1-5 h in graphene suspension or the platinum acid chloride solution again;
(3) repeat above-mentioned steps (1), (2), carry out self assembly layer by layer, form (polyelectrolyte/Graphene) on the conductive substrates surface mOr (polyelectrolyte/chloroplatinic acid) nOr (polyelectrolyte/Graphene) m/ (polyelectrolyte/chloroplatinic acid) nThe self-assembling ultrathin film of different structure, the different numbers of plies, m, n are respectively number of repetition;
(4) with above-mentioned ultrathin membrane sintering in air, temperature is 100-600 ℃, and the time is 0.1-5 h, makes it and changes into (Graphene) mOr (nano platinum particle) nOr (Graphene) m/ (nano platinum particle) nThe ultrathin membrane of structure.
2. preparation method according to claim 1 is characterized in that described conductive substrates material is electro-conductive glass or conductive polymer membrane.
3. preparation method according to claim 1; It is characterized in that in the said polyelectrolyte solution; Polyelectrolyte is diallyl dimethyl ammoniumchloride or polymine cationic polyelectrolyte, and its solvent is water, absolute ethyl alcohol, ether or acetone, or several kinds mixed solvent wherein; The mass fraction of polyelectrolyte is 0.001 %-10 %, and the pH value is 6-13.
4. according to the described preparation method of one of claim 1-3; The solvent that it is characterized in that said graphene suspension is water, absolute ethyl alcohol, N, dinethylformamide or dimethyl sulfoxide (DMSO), or several kinds mixed solvent wherein; The mass fraction of Graphene is 0.001 %-5 %, and the pH value is 6-13.
5. according to the described preparation method of one of claim 1-4, the solvent that it is characterized in that said platinum acid chloride solution is water, absolute ethyl alcohol, isopropyl alcohol or acetone, or several kinds mixed solvent wherein, and the mass fraction of chloroplatinic acid is 0.001 %-20 %.
CN2011101934594A 2011-07-12 2011-07-12 Method for preparing graphene/platinum nano counter electrode material for dye sensitized solar cell Expired - Fee Related CN102324319B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102698741A (en) * 2012-04-16 2012-10-03 中国科学院等离子体物理研究所 Method for preparing grapheme platinum nanocomposite material by using argon plasma
CN106449123A (en) * 2016-12-14 2017-02-22 郑州华晶金刚石股份有限公司 Counter electrode for dye-sensitized solar cell, and preparation method and application thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1797793A (en) * 2004-12-27 2006-07-05 中国科学院化学研究所 Method for preparing Nano platinum carried catalysis electrode in Nano crystal sensitized solar battery
CN101474899A (en) * 2009-01-16 2009-07-08 南开大学 Grapheme-organic material layered assembling film and preparation method thereof
CN101835609A (en) * 2007-09-10 2010-09-15 三星电子株式会社 Graphene sheet and process of preparing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1797793A (en) * 2004-12-27 2006-07-05 中国科学院化学研究所 Method for preparing Nano platinum carried catalysis electrode in Nano crystal sensitized solar battery
CN101835609A (en) * 2007-09-10 2010-09-15 三星电子株式会社 Graphene sheet and process of preparing the same
CN101474899A (en) * 2009-01-16 2009-07-08 南开大学 Grapheme-organic material layered assembling film and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102698741A (en) * 2012-04-16 2012-10-03 中国科学院等离子体物理研究所 Method for preparing grapheme platinum nanocomposite material by using argon plasma
CN102698741B (en) * 2012-04-16 2013-11-20 中国科学院等离子体物理研究所 Method for preparing grapheme platinum nanocomposite material by using argon plasma
CN106449123A (en) * 2016-12-14 2017-02-22 郑州华晶金刚石股份有限公司 Counter electrode for dye-sensitized solar cell, and preparation method and application thereof
CN106449123B (en) * 2016-12-14 2018-03-09 郑州华晶金刚石股份有限公司 For DSSC to electrode and its preparation and application

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