Sulfide and photoelectric element
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United States of America Patent
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Nov 12, 2013
Grant Date -
Dec 15, 2011
app pub date -
Feb 16, 2010
filing date -
Feb 20, 2009
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Abstract
The sulfide has the following composition, and the photoelectric element uses the sulfide. (1) The sulfide contains Cu, Zn, and Sn as a principal component. (2) When x is a ratio of Cu/(Zn+Sn), y is a ratio of Zn/Sn (x and y being atomic ratios), and the composition of the sulfide is represented by the (x, y) coordinates, with the points A=(0.78, 1.32), B=(0.86, 1.32), C=(0.86, 1.28), D=(0.90, 1.23), E=(0.90, 1.18), and F=(0.78, 1.28), the composition (x, y) of the sulfide is on any one of respective straight lines connecting the points A→B→C→D→E→F→A in that order, or within an area enclosed by the respective straight lines.
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