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Investigation of Recombination Mechanisms in Electronic Devices Using Bias-dependent Admittance Spectroscopy Applied to CIGS Solar Cells

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The main cause for the power conversion efficiency limitations in Cu(In,Ga)(S,Se)2 (CIGS) solar cells is still heavily debated in literature. Possible culprits for the limitation of the open circuit voltage of CIGS devices are conduction barriers, recombinatio... ...