Methods of forming thin layers of photovoltaic absorbers
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United States of America Patent
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May 29, 2012
Grant Date -
Jan 21, 2010
app pub date -
Jul 21, 2008
filing date -
Jul 21, 2008
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Abstract
A method and a system are provide for forming planar precursor structures which are subsequently converted into thin film solar cell absorber layers. A precursor structure is first formed on the front surface of the foil substrate and then planarized through application of force or pressure by a smooth surface to obtain a planar precursor structure. The precursor structure includes at least one of a Group IB material, Group IIIA material and Group VIA material. The planar precursor structures are reacted to form planar and compositionally uniform thin film absorber layers for solar cells.
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