Method and apparatus for continuous processing of buffer layers for group IBIIIAVIA solar cells
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United States of America Patent
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Jun 2, 2009
Grant Date -
Aug 21, 2008
app pub date -
Feb 25, 2008
filing date -
Apr 13, 2006
priority date (Note) -
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Abstract
A deposition method which deposits a CdS buffer layer on a surface of a solar cell from a process solution including all chemical components of the CdS buffer layer material. CdS is deposited in a deposition chamber by heating the surface of the solar cell absorber to cause the transfer of heat from the solar cell absorber layer to at least a portion of the process solution that is in contact with the surface. Used solution is cooled, and replenished in a solution container and redirected into the deposition chamber.
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