Evidence for Cu2–xSe platelets at grain boundaries and within grains in Cu(In,Ga)Se2 thin films
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DOI: 10.1063/1.4993917
Abstract: Cu(In,Ga)Se2 (CIGS)-based solar cells reach high power-conversion efficiencies of above 22%. In this work, a three-stage co-evaporation method was used for their fabrication. During the growth stages, the stoichiometry of the absorbers changes from Cu-poor… read more here.
Keywords: cu2 xse; xse platelets; xse; grain boundaries ... See more keywords