SOLAR CELL AND MANUFACTURING METHOD THEREOF
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United States of America Patent
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Issued Date -
Nov 18, 2010
app pub date -
May 2, 2010
filing date -
May 12, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention discloses a solar cell and a manufacturing method. A top surface of a substrate is transformed into an active surface with a waved shape. Next, a conductive layer, a CIGS compound layer and a transparent conductive layer are sequentially formed on the active surface. The active surface with the waved shape is formed by a destructive forming method, so that the conductive layer, the CIGS compound layer and the transparent conductive layer formed on the active surface in the following step also have the waved shape. Accordingly, a light-absorbing area and a reacting area can be increased, and conversion efficiency of light energy being converted into the electric energy is raised.
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