Crystal orientation-dependent etching and trapping in thermally-oxidised Cu<sub>2</sub>O photocathodes for water splitting
Wenzhe Niu, Thomas Moehl, Pardis Adams, Xi Zhang, Robin Lefèvre, Aluizio M. Cruz, Peng Zeng, Karsten Kunze, Wooseok Yang, S. David Tilley
Abstract
Crystal orientation-dependent etching, charge-carrier trapping behaviour, and performance of single-crystal photocathodes are enabled by ammonia solution etching of thermally-oxidised Cu 2 O.
Topics & Concepts
TrappingWater splittingCrystal (programming language)Etching (microfabrication)Materials scienceOrientation (vector space)CrystallographyOptoelectronicsNanotechnologyChemistryCatalysisGeometryPhotocatalysisOrganic chemistryBiologyComputer scienceLayer (electronics)EcologyMathematicsProgramming languageCopper-based nanomaterials and applicationsZnO doping and propertiesElectronic and Structural Properties of Oxides