Crystal orientation-dependent etching and trapping in thermally-oxidised Cu₂O photocathodes for water splitting

Authors: Wenzhe Niu, Thomas Moehl, Pardis Adams, Xi Zhang, Robin Lefèvre, Aluizio M. Cruz, Peng Zeng, Karsten Kunze, Wooseok Yang, S. David Tilley

Published: 2022-03-23

DOI: 10.1039/d1ee03696c

Source: Full article

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Abstract

Crystal orientation-dependent etching, charge-carrier trapping behaviour, and performance of single-crystal photocathodes are enabled by ammonia solution etching of thermally-oxidised Cu2O.