TRANSPARENT CONDUCTIVE GLASS SUBSTRATE WITH SURFACE ELECTRODE, METHOD FOR PRODUCING SAME, THIN FILM SOLAR CELL, AND METHOD FOR MANUFACTURING THIN FILM SOLAR CELL
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United States of America Patent
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Oct 29, 2015
app pub date -
Oct 11, 2013
filing date -
Dec 4, 2012
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Abstract
The present invention provides a transparent conductive glass substrate with a surface electrode having a low reflectivity, a low absorption, and a high transmittance, and provides a thin film solar cell including the surface electrode and having a higher photoelectric conversion efficiency than that of the prior arts. The transparent conductive glass substrate with the surface electrode is obtained in such a way that, on a translucent glass substrate, a low-refractive-index transparent thin film having a refractive index of 1.6 to 1.8 at a wavelength of 550 nm and a film thickness of 50 nm to 150 nm is formed as a first layer, and, on the low-refractive-index transparent thin film, an amorphous indium-oxide-based transparent conductive film as a second layer and a rough film made of a crystalline zinc-oxide-based transparent conductive film as a third layer are formed in that order.
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