Substrate for photoelectric conversion elements

A technology of photoelectric conversion elements and substrates, which is applied in the fields of electrical components, photovoltaic power generation, and electric solid-state devices, and can solve the problems of reducing manufacturing costs, instability, and high prices of organic thin-film solar cells, and achieves excellent power generation characteristics, easy operation, and reduced cost. cost effect

Inactive Publication Date: 2018-03-27
JFE STEEL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, glass substrates may be broken during manufacture, transportation, and installation, so care must be taken in handling
In addition, since the glass substrate is used while being held on a metal frame or case, a corresponding cost is required
In addition, a transparent electrode is formed on the surface of the glass substrate, but ITO (Indium Tin Oxide) mainly used as a material of the transparent electrode contains indium as a rare metal, so it is expensive and unstable
For these reasons, it is difficult to reduce the manufacturing cost of organic thin-film solar cells using glass substrates

Method used

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  • Substrate for photoelectric conversion elements
  • Substrate for photoelectric conversion elements

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Embodiment

[0062] Next, the present invention will be specifically described based on examples. The following examples show suitable examples of the present invention, and the present invention is not limited to these examples. The embodiments of the present invention can be appropriately changed within the range consistent with the gist of the present invention, and these are included in the technical scope of the present invention.

[0063] A substrate for a photoelectric conversion element made of a stainless steel plate and an organic thin-film solar cell using the substrate for a photoelectric conversion element were produced, and their characteristics were evaluated. In addition, for comparison, an organic thin-film solar cell using a conventional glass substrate was fabricated and evaluated together. Hereinafter, the production procedure and evaluation method of the substrate for photoelectric conversion elements and the organic thin-film solar cell will be described.

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Abstract

Provided is a substrate for photoelectric conversion elements, which is easy to be handled and low in cost in comparison to the cases where conventional ITO/glass substrates are used, and which does not cause a decrease in the power generation performance of a solar cell. A substrate for photoelectric conversion elements, which is formed of a stainless steel plate having a passivation film on thesurface, and wherein the atomic ratio Cr/(Fe + Cr) in the surface of the passivation film is 0.08 or more.

Description

technical field [0001] The present invention relates to substrates used in photoelectric conversion elements, particularly organic thin film solar cells. Background technique [0002] It is essential to develop technologies for utilizing solar energy, which is a clean and inexhaustible resource, in order to solve future energy problems. Among them, organic thin-film solar cells have the advantage of lower material cost and manufacturing cost than other effective solar cells such as silicon-based solar cells, and are expected to be future-bearing solar cells. [0003] However, organic thin-film solar cells have a problem of low power generation efficiency compared with solar cells of other systems that have been put into practical use. Therefore, for the practical use of organic thin-film solar cells, it is required to improve power generation efficiency. In addition, in order to put organic thin-film solar cells into wide use, it is also necessary to further reduce materia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/44
CPCY02E10/549C25D9/06C25D9/10C25D11/34C23C18/1216C23C18/1241C23C18/1254C23C22/00H10K77/111H10K30/80H10K30/30H01L2031/0344H10K77/10
Inventor 河野崇史石川伸村上琢哉
Owner JFE STEEL CORP
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