AROMATIC POLYIMIDE FILM, LAMINATE, AND SOLAR CELL

A CIS solar cell having flexibility and high conversion efficiency may be produced, using, as a substrate, a polyimide film which is prepared from an aromatic tetracarboxylic acid component comprising 3,3′,4,4′-biphenyltetracarboxylic dianhydride as the main component and an aromatic diamine compone...

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Hauptverfasser: Yamaguchi Hiroaki, Miyamoto Takao, Kawagishi Ken, Iizumi Nobu
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creator Yamaguchi Hiroaki
Miyamoto Takao
Kawagishi Ken
Iizumi Nobu
description A CIS solar cell having flexibility and high conversion efficiency may be produced, using, as a substrate, a polyimide film which is prepared from an aromatic tetracarboxylic acid component comprising 3,3′,4,4′-biphenyltetracarboxylic dianhydride as the main component and an aromatic diamine component comprising p-phenylenediamine as the main component, and has a maximum dimensional change in the temperature-increasing step of from 25° C. to 500° C. within a range of from +0.6% to +0.9%, excluding +0.6%, based on the dimension at 25° C. before heat treatment.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title AROMATIC POLYIMIDE FILM, LAMINATE, AND SOLAR CELL
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