Composition for transparent conducting film of solar cell and transparent conducting film

A transparent conductive film and solar cell technology, applied to conductive materials dispersed in non-conductive inorganic materials, conductive layers on insulating carriers, conductive coatings, etc., can solve the problems of introducing, maintaining, and operating a large number of costs, and achieve improved Power generation efficiency, the effect of high power generation efficiency

Inactive Publication Date: 2012-10-17
MITSUBISHI MATERIALS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Conventionally, in this thin-film solar cell, electrodes and reflective films have been formed by vacuum film-forming methods such as sputtering, but the introduction, maintenance, and operation of large-scale vacuum film-forming equipment usually require a lot of cost

Method used

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  • Composition for transparent conducting film of solar cell and transparent conducting film
  • Composition for transparent conducting film of solar cell and transparent conducting film
  • Composition for transparent conducting film of solar cell and transparent conducting film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0128] In Example 1, with the proportioning of Table 1, in the dispersion medium ethanol, the average particle diameter of the conductive oxide particles is mixed as ITO powder of 25nm, with respect to the solid content in the composition for transparent conductive film at 25 mass % ratio mixed as a binder containing (R 1 Si(OR 2 ) 3 ) Binder 1.

Embodiment 2

[0129] In Example 2, in the dispersion medium IPA, ITO powder having an average particle diameter of 25 nm as conductive oxide particles was mixed, and a binder was mixed at a ratio of 30% by mass with respect to the solid content in the composition for a transparent conductive film. , the adhesive is mixed in a ratio of 90 to 10 containing (R 1 Si(OR 2 ) 3 ) of binder 1 and SiO 2 Binder for Binder 1.

Embodiment 3

[0130] In Example 3, in the dispersion medium ethanol, ATO powder having an average particle diameter of 40 nm as conductive oxide particles was mixed, and a binder was mixed at a ratio of 10% by mass with respect to the solid content in the composition for a transparent conductive film. , the adhesive is mixed in a ratio of 85 to 15 containing (R 1 Si(OR 2 ) 3 ) of binder 2 and SiO 2 Binder for Binder 2.

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Abstract

The invention relates to a composition for transparent conducting film of solar cell, which is characterized in that the composition comprises conductive oxide particles and an adhesive solidified through heating. The adhesive comprises organic trialkoxysilane and / or hydrolysate thereof expressed by a formula (1): R1Si(OR2)3 (in the formula, R1 and R2 are specific alkyl group). The invention also relates to a transparent conducting film having the hydrolysate of the organic trialkoxysilane, a solar cell having the conducting cell and a producing method of the transparent conducting film.

Description

technical field [0001] The present invention relates to a composition for a transparent conductive film and a transparent conductive film. More specifically, it relates to a composition for a transparent conductive film used in a thin film solar cell, a transparent conductive film, a solar cell including the transparent conductive film, and a method for producing a transparent conductive film used in a thin film solar cell. Background technique [0002] At present, from the standpoint of environmental protection, the research, development and practical application of green energy are being promoted, and solar cells are attracting attention because sunlight as an energy source is inexhaustible and pollution-free. In the past, bulk solar cells made of monocrystalline silicon or polycrystalline silicon have been used as solar cells. However, due to the high manufacturing cost and low productivity of bulk solar cells, it is urgent to develop solar cells that save as much silicon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D1/00C09D5/24H01L31/0224H01L31/18
CPCY02E10/545Y02E10/548Y02E10/50Y02P70/50H01B1/08H01B1/20H01B5/14
Inventor 日向野怜子泉礼子山崎和彦林年治
Owner MITSUBISHI MATERIALS CORP
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