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

Author:

Niu Wenzhe1ORCID,Moehl Thomas1ORCID,Adams Pardis1ORCID,Zhang Xi1ORCID,Lefèvre Robin1ORCID,Cruz Aluizio M.2,Zeng Peng3ORCID,Kunze Karsten3ORCID,Yang Wooseok14ORCID,Tilley S. David1ORCID

Affiliation:

1. Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland

2. PERA Complexity (Processes for Evolutionary Complexity Research & Applications), B. V. Hoogoorddreef 15, 1101 BA Amsterdam, The Netherlands

3. Scientific Center for Optical and Electron Microscopy (ScopeM), ETH Zürich, Otto-Stern-Weg 3, 8093 Zurich, Switzerland

4. School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, Korea

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.

Funder

Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung

Universität Zürich

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Nuclear Energy and Engineering,Renewable Energy, Sustainability and the Environment,Environmental Chemistry

Reference34 articles.

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