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  Unold, T.: Contacts matter. Nature Energy 7 (2022), p. 390-391

10.1038/s41560-022-01024-7

Abstract:
The open-circuit voltage of CdTe solar cells is limited by energy losses across the device stack. Now, a comprehensive optical and electrical analysis reveals that the high internal voltages of state-of-the-art CdTe-based absorber layers could be translated into electrical power if charge selectivity is increased at contacts.