COATING MATERIAL FOR FORMING SEMICONDUCTORS, SEMICONDUCTOR THIN FILM, 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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Aug 18, 2016
app pub date -
Nov 4, 2014
filing date -
Nov 7, 2013
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Abstract
The present invention aims to provide a coating liquid for forming a semiconductor which facilitates large-area production of a semiconductor that is useful as a semiconductor material of a solar cell with high conversion efficiency and small variation in the conversion efficiency, and enables control of the film thickness. The present invention also aims to provide a semiconductor thin film produced from the coating liquid for forming a semiconductor, a thin film solar cell, and a method for producing the thin film solar cell. The present invention relates to a coating liquid for forming a semiconductor, including a complex that includes a group 15 metal element of the periodic table and sulfur and/or selenium, the coating liquid having a molar ratio of the group 15 metal element of the periodic table to the sulfur and/or selenium of 1:2 to 1:10.
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