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Solar cell structure and preparing method thereof

A technology of solar cells and conjunctiva, applied in circuits, electrical components, electrical solid devices, etc., can solve the problems of low energy conversion efficiency, achieve the effects of improving transportability, improving photoelectric energy conversion efficiency, and improving mobility

Inactive Publication Date: 2008-09-03
宁波市鑫友光伏有限公司
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Problems solved by technology

The disadvantage is that the energy conversion efficiency is relatively low, generally 0.1% to 4.2%.

Method used

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Embodiment Construction

[0015] The present invention is a kind of solar cell structure, adopts C 60 (OH) 24 As the n-type material of the heterojunction, the mass fraction is 50%, and the p-type material of the heterojunction with the conjugated conductive polymer polythiophene derivative PEDOT is 47%, the above two materials and the mass fraction 3% single-walled carbon nanotubes are polymerized into a 100nm-thick blended heterojunction film, the film coated with indium tin oxide on a glass plate is used as the anode, and the aluminum film is used as the cathode. The thickness of the thin film of indium tin oxide coated on the glass plate is 100 nm, and the thickness of the coated aluminum film is 150 nm.

[0016] The method for preparing the solar cell structure described above, the steps are:

[0017] (1) First prepare water-soluble C 60 (OH) 24 : The prepared C with a purity of 99.5% 60 Add concentrated nitric acid and concentrated sulfuric acid to the mixed solution, the volume ratio of con...

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Abstract

A solar cell structure and manufacture method thereof, using C60(OH)24 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 C60 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 C60(OH)24; 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 C60(OH)24, 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 [0001] The present invention relates to the structure of solar cells. Background technique [0002] Materials that use solar power to generate electricity include solar panels made of silicon (single crystal silicon, polycrystalline silicon), solar cells made of gallium arsenide and gallium antimonide and other semiconductors of the third and fifth groups, and three series of organic solar cells. [0003] Solar cells composed of silicon solar panels and III-V semiconductors are expensive and easily broken, so there are still many limitations in their large-scale promotion. The advantages of organic solar cells lie in their low cost, light weight, easy processing, bendable, pastable, etc., and have a variety of uses. When using them, just spread out a roll of solar cell film on the roof. The disadvantage is that the energy conversion efficiency is relatively low, generally 0.1% to 4.2%. Contents of the invention [0004] The purpose of the present inventio...

Claims

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Application Information

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IPC IPC(8): H01L31/072H01L31/18H01L51/05
CPCY02P70/50
Inventor 王青戴剑峰李维学魏智强冯旺军姜金龙马军张嵩波崔永福李扬姚东张超
Owner 宁波市鑫友光伏有限公司
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