CIGS SOLAR CELL HAVING THERMAL EXPANSION BUFFER LAYER AND METHOD FOR FABRICATING THE SAME
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United States of America Patent
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Issued Date -
Sep 23, 2010
app pub date -
Mar 19, 2009
filing date -
Mar 19, 2009
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Abandoned
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Abstract
Se) target. Then, a CIGS thin film is further provided on the thermal expansion buffer layer. Finally, a thermal treatment is conducted for melting to integrate the copper ingredients of different thin film layers, thus improving the bondability between the thin film layers and preventing the cracking or the peeling off of the thin film layers caused by the thermal expansion difference.
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