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CuIn1−XGaXSe2-Based Photovoltaic Cells From Electrodeposited Precursor Films

  • Raghu N. Bhattacharya (a1) and Arturo M. Fernandez (a2)

Abstract

We have developed an electrodeposition bath based on a buffer solution so that the stability of the electrodeposition process is enhanced and no metal oxides or hydroxides precipitate out of solution. The buffer-solution-based bath also deposits more gallium in the precursor films. Asdeposited precursors are stoichiometric or slightly Cu-rich CuIn1−XGaXSe2 (CIGS). Only a minimal amount of indium was added to the electrodeposited precursor films by physical vapor deposition to obtain a 9.4%-efficient device.

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CuIn1−XGaXSe2-Based Photovoltaic Cells From Electrodeposited Precursor Films

  • Raghu N. Bhattacharya (a1) and Arturo M. Fernandez (a2)

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