CN101257054A - Solar cell structure and preparing method thereof - Google Patents
Solar cell structure and preparing method thereof Download PDFInfo
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- CN101257054A CN101257054A CNA2007100183445A CN200710018344A CN101257054A CN 101257054 A CN101257054 A CN 101257054A CN A2007100183445 A CNA2007100183445 A CN A2007100183445A CN 200710018344 A CN200710018344 A CN 200710018344A CN 101257054 A CN101257054 A CN 101257054A
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
A solar cell structure and manufacture method thereof, using C<SUB>60</SUB>(OH)<SUB>24</SUB> as n type material of hetero-junction, the conjugate conducting polymer PEDOT being p type material of hetero-junction, the two materials are polymerized into blended alloplasm tunica conjunctiva with single wall carbon nano-tube as anodic on the glass plate with indium oxide stannous thin film, aluminum film is as cathode; the method for manufacturing is: first the C<SUB>60</SUB> with 99.5% purity is added into the mix solution of concentrated nitric acid and concentrated sulfuric acid for activating under ultrasonic oscillation, then NaOH water solution is added for reaching pH 7, evaporating solvent to obtain water-solubility crystal C<SUB>60</SUB>(OH)<SUB>24</SUB>; a glass plate coating with indium oxide tin thin film is cleaned in acetone by ultrasonic;single wall nano carbon tube is purified by the oxidation process of concentrated nitric acid and concentrated sulfuric acid; the water solution made by C<SUB>60</SUB>(OH)<SUB>24</SUB>, PEDOT and single wall carbon nano-tube under ultrasonic oscillation is coated on the indium oxide tin thin film, drying 45 minutes under 120 EDG C forming blended alloplasm tunica conjunctiva.
Description
Technical field
The present invention relates to the structure of solar cell.
Background technology
The solar panel that utilizes the material of solar power generation to comprise to make, solar cell and three series of organic solar batteries of constituting by three or five family's semiconductors such as GaAs and gallium antimonides with silicon (monocrystalline silicon, polysilicon).
The solar cell that silicon solar cell plate and three or five family semiconductors constitute with high costs, broken easily, so its large tracts of land is promoted and is also existed many limitations.The advantage of organic solar batteries is that it is cheap, and is in light weight, easy to process, can be crooked, and characteristics such as Pasting have multifarious purposes, are placed on the roof as long as a volume solar battery thin film spread out during use.Its weak point is that energy conversion efficiency is lower, is generally 0.1%～4.2%.
Summary of the invention
The objective of the invention is to improve the photovoltaic energy conversion efficient of solar cell.
The present invention is a kind of solar battery structure, adopts C
60(OH)
24N section bar material as heterojunction, mass fraction is 50%, poly-thiophene amphyl PEDOT is the p section bar material of heterojunction with conductive conjugated polymer, mass fraction is 47%, with above two kinds of materials and mass fraction is that 3% Single Walled Carbon Nanotube aggregates into the heterogeneous conjunctiva of blend, as anode, is negative electrode with the aluminium film with the film that scribbles tin indium oxide on glass plate.
Prepare the method for above-mentioned solar battery structure, the steps include:
(1) at first prepares water-soluble C
60(OH)
24: with the purity of preparation is 99.5% C
60Add in red fuming nitric acid (RFNA) and the concentrated sulfuric acid mixed solution, reaction is three days under sonic oscillation, becomes yellow-green soln, adds the NaOH aqueous solution again, and color becomes dark brown yellow, makes pH value reach 7, and solvent evaporated obtains the water-soluble C of brownish black
60(OH)
24Crystalline solid;
(2) in acetone, scribble the glass plate of indium tin oxide films with ultrasonic cleaning;
(3) with red fuming nitric acid (RFNA) and concentrated sulfuric acid oxidizing process purification Single Walled Carbon Nanotube;
(4) with C
60(OH)
24, the aqueous solution made under sonic oscillation of PEDOT and Single Walled Carbon Nanotube is spin-coated on the indium tin oxide films, 120 ℃ dry 45 minutes down, forming thickness is the heterogeneous conjunctiva of blend of 100 nanometers;
(5) adopt electron beam heating evaporation coating technique evaporation thickness on hetero-junction thin-film be the aluminium film of 150 nanometers as cell cathode, indium tin oxide films is a galvanic anode.
Usefulness of the present invention is: the present invention makes the photovoltaic energy conversion efficient of solar cell reach 8%.Its main cause is:
(1) adding of carbon nano-tube has improved the mobility in electronics and hole, has significantly improved the short circuit current of solar cell, thereby photovoltaic energy conversion efficient is improved.
(2) water-soluble C
60(OH)
24Use, n section bar material and the compatibility of p section bar material and mixcibility have mutually been improved effectively, reduce being separated of P-type material and n type material, improved the transport property of electron hole pair, and improved the uniformity of film, improved the pattern of film, improved the processing friendly, the photovoltaic energy conversion efficient of battery is improved.
Embodiment
The present invention is a kind of solar battery structure, adopts C
60(OH)
24N section bar material as heterojunction, mass fraction is 50%, poly-thiophene amphyl PEDOT is the p section bar material of heterojunction with conductive conjugated polymer, mass fraction is 47%, with above two kinds of materials and mass fraction is that 3% Single Walled Carbon Nanotube aggregates into the heterogeneous conjunctiva of the thick blend of 100nm, as anode, is negative electrode with the aluminium film with the film that scribbles tin indium oxide on glass plate.The thickness of the film of the tin indium oxide that is coated with on glass plate is 100nm, and the thickness of the aluminium film that is coated with is 150nm.
Prepare the method for the above solar battery structure, the steps include:
(1) at first prepares water-soluble C
60(OH)
24: with the purity of preparation is 99.5% C
60Add in red fuming nitric acid (RFNA) and the concentrated sulfuric acid mixed solution, the volume ratio of the red fuming nitric acid (RFNA) and the concentrated sulfuric acid is in 1: 3, and reaction is three days under sonic oscillation, become yellow-green soln, add the NaOH aqueous solution again, color becomes dark brown yellow, make pH value reach 7, solvent evaporated obtains the water-soluble C of brownish black
60(OH)
24Crystalline solid;
(2) in acetone, scribble the glass plate of indium tin oxide films with ultrasonic cleaning;
(3) with red fuming nitric acid (RFNA) and concentrated sulfuric acid oxidizing process purification Single Walled Carbon Nanotube;
(4) with C
60(OH)
24, the aqueous solution made under sonic oscillation of PEDOT and Single Walled Carbon Nanotube is spin-coated on the indium tin oxide films, 120 ℃ dry 45 minutes down, forming thickness is the heterogeneous conjunctiva of blend of 100 nanometers;
(5) adopt electron beam heating evaporation coating technique evaporation thickness on hetero-junction thin-film be the aluminium film of 150 nanometers as cell cathode, indium tin oxide films is a galvanic anode.
Claims (3)
1. a solar battery structure is characterized in that adopting C
60(OH)
24N section bar material as heterojunction, mass fraction is 50%, poly-thiophene amphyl PEDOT is the p section bar material of heterojunction with conductive conjugated polymer, mass fraction is 47%, with above two kinds of materials and mass fraction is that 3% Single Walled Carbon Nanotube aggregates into the heterogeneous conjunctiva of blend, as anode, is negative electrode with the aluminium film with the film that scribbles tin indium oxide on glass plate.
2. solar battery structure according to claim 1, the thickness of the film of the tin indium oxide that it is characterized in that on glass plate being coated with is 100nm, and the thickness of the aluminium film that is coated with is 150nm, and the thickness of the synthetic heterogeneous conjunctiva of blend is 100nm.
3. prepare the method for the described solar battery structure of claim 1, the steps include:
(1) at first prepares water-soluble C
60(OH)
24: with the purity of preparation is 99.5% C
60Add in red fuming nitric acid (RFNA) and the concentrated sulfuric acid mixed solution, reaction is three days under sonic oscillation, becomes yellow-green soln, adds the NaOH aqueous solution again, and color becomes dark brown yellow, makes pH value reach 7, and solvent evaporated obtains the water-soluble C of brownish black
60(OH)
24Crystalline solid;
(2) in acetone, scribble the glass plate of indium tin oxide films with ultrasonic cleaning;
(3) with red fuming nitric acid (RFNA) and concentrated sulfuric acid oxidizing process purification Single Walled Carbon Nanotube;
(4) with C
60(OH)
24, the aqueous solution made under sonic oscillation of PEDOT and Single Walled Carbon Nanotube is spin-coated on the indium tin oxide films, 120 ℃ dry 45 minutes down, forming thickness is the heterogeneous conjunctiva of blend of 100 nanometers;
(5) adopt electron beam heating evaporation coating technique evaporation thickness on hetero-junction thin-film be the aluminium film of 150 nanometers as cell cathode, indium tin oxide films is a galvanic anode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100183445A CN100550436C (en) | 2007-07-02 | 2007-07-02 | A kind of solar battery structure and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100183445A CN100550436C (en) | 2007-07-02 | 2007-07-02 | A kind of solar battery structure and preparation method thereof |
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| Publication Number | Publication Date |
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| CN101257054A true CN101257054A (en) | 2008-09-03 |
| CN100550436C CN100550436C (en) | 2009-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100183445A Expired - Fee Related CN100550436C (en) | 2007-07-02 | 2007-07-02 | A kind of solar battery structure and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101494255B (en) * | 2009-03-05 | 2010-06-02 | 中国科学院长春应用化学研究所 | Preparation method for thin-film solar cell based on narrowband gap conjugated polymer |
| JP2010123930A (en) * | 2008-10-22 | 2010-06-03 | Nissan Chem Ind Ltd | Charge transporting material and charge transporting varnish |
| CN104937734A (en) * | 2013-03-26 | 2015-09-23 | 富士胶片株式会社 | Thermoelectric conversion material, thermoelectric conversion element, and thermoelectric power generation article and sensor power source using thermoelectric conversion element |
-
2007
- 2007-07-02 CN CNB2007100183445A patent/CN100550436C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010123930A (en) * | 2008-10-22 | 2010-06-03 | Nissan Chem Ind Ltd | Charge transporting material and charge transporting varnish |
| CN101494255B (en) * | 2009-03-05 | 2010-06-02 | 中国科学院长春应用化学研究所 | Preparation method for thin-film solar cell based on narrowband gap conjugated polymer |
| CN104937734A (en) * | 2013-03-26 | 2015-09-23 | 富士胶片株式会社 | Thermoelectric conversion material, thermoelectric conversion element, and thermoelectric power generation article and sensor power source using thermoelectric conversion element |
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| Publication number | Publication date |
|---|---|
| CN100550436C (en) | 2009-10-14 |
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Owner name: NINGBO XINYOU PHOTOVOLTAICS INDUSTRY CO., LTD. Free format text: FORMER OWNER: LANZHOU UNIVERSITY OF TECHNOLOGY Effective date: 20110516 |
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Free format text: CORRECT: ADDRESS; FROM: 730050 NO. 287, LANGONGPING, QILIHE DISTRICT, LANZHOU CITY, GANSU PROVINCE TO: 315000 NO. 555, QIHANG SOUTH ROAD, BINHAI INVESTMENT VENTURE CENTER, YINZHOU, NINGBO CITY, ZHEJIANG PROVINCE |
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Effective date of registration: 20110516 Address after: 315000, Yinzhou Ningbo Zhejiang Binhai venture investment center set sail south road, No. 555 Patentee after: Ningbo Xinyou Photovoltaics Industry Co.,Ltd. Address before: 730050, No. 287 LAN Gong Ping, Qilihe District, Gansu, Lanzhou Patentee before: Lanzhou University Of Technology |
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Granted publication date: 20091014 Termination date: 20120702 |