Method for preparing an absorber thin film for photovoltaic cells
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United States of America Patent
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Dec 30, 2014
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Feb 17, 2011
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Mar 11, 2010
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Abstract
A method for preparing an A-B-C2 or A2-(Dx,E1-x)-C4 absorber thin film for photovoltaic cells where 0≦x≦1, A is an element or mixture of elements selected within Group 11, B is an element or mixture of elements selected within Group 13, C is an element or mixture of elements selected within Group 16, D is an element or mixture of elements selected within Group 12, and E is an element or mixture of elements selected within Group 14. Said method includes: a step of electrochemically depositing oxide from elements selected from among Groups 11, 12, 13, and 14, a step of annealing in a reducing atmosphere, and a step of supplying an element from Group 16.
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