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Manufacture method for solar cell and solar cell

A technology of solar cells and manufacturing methods, applied in the field of solar cells, can solve the problems that TCO film cannot cope with, small sheet resistance, high transmittance, etc., and achieve the effects of adjusting haze, easy haze, and reducing prices

Inactive Publication Date: 2011-08-24
SUMITOMO HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the TCO film for this tandem solar cell, it is gradually required that the transmittance in the 350-1200nm wavelength region is high, the sheet resistance is smaller, and the film with a haze as high as 30-70% is based on the TCO film (tin oxide Membrane) has been unable to cope with

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  • Manufacture method for solar cell and solar cell
  • Manufacture method for solar cell and solar cell
  • Manufacture method for solar cell and solar cell

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Embodiment Construction

[0024] Hereinafter, preferred embodiments of the method for manufacturing a solar cell and the solar cell according to the present invention will be described in detail with reference to the drawings.

[0025] Such as figure 1 As shown, the solar cell 1 according to this embodiment is constituted by laminating these layers in this order on a white glass substrate (transparent substrate) 2 . . In this solar cell 1, when light incident from the side of the white glass substrate 2 passes through the surface electrode layer 3 and enters the light-absorbing layer 6, it is converted into electric power in the light-absorbing layer 6 by the photovoltaic effect, and the electric power passes through The surface electrode layer 3 and the back electrode layer 9 are output to the outside.

[0026] The surface electrode layer 3 is composed of an ITO (Indium Tin Oxide) layer 4 and a ZnO layer 5 . ITO layer 4 is formed on whiteboard glass substrate 2 . ITO layer 4 consists of In 2 o 3...

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Abstract

The invention aims at providing a manufacture method for a solar cell and a solar cell, the solar cell is capable of achieving improvement of photoelectric conversion efficiency. As the manufacture method for a solar cell, the solar cell is provided with a transparent substrate, a surface electrode layer, a light absorbing layer and a back face electrode layer, the method is characterized in that, the forming procedures forming a surface electrode of the surface electrode layer on a main face side of the transparent substrate comprise steps of: an IXO layer forming procedure forming an IXO layer via doping an doping element X to an indium oxide and at the main face side; a ZnO layer forming procedure forming a ZnO layer on the IXO layer; and a texture structure forming procedure forming a texture structure at the light absorbing layer side of the ZnO layer.

Description

technical field [0001] The present invention relates to a solar cell capable of improving photoelectric conversion efficiency and a method for manufacturing the solar cell. Background technique [0002] Conventionally, Japanese Patent Application Publication No. 7-105166 and the like are known as technical documents related to this field. The thin-film silicon solar cell described in this gazette consists of an alkaline barrier coating layer formed on a glass substrate and a TCO (Transparency Conductive Oxide) film formed thereon. A surface electrode of a tin oxide film, a photoelectric conversion layer formed of amorphous silicon hydroxide formed thereon, and a second conductive film (also referred to as a light reflection film or a back electrode) formed thereon. Furthermore, as a method of forming a tin oxide film, a method of forming a tin oxide film by an atmospheric pressure CVD method utilizing the reaction of tin tetrachloride and water is known. [0003] In this t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/18H01L31/052H01L31/0392H01L31/0224
CPCY02E10/50Y02P70/50
Inventor 伊丹哲窪田薰
Owner SUMITOMO HEAVY IND LTD