Issue 8, 2016

New materials for the light-induced hydrogen evolution reaction from the Cu–Si–Ti–O system

Abstract

Cu-containing photocathodes are generally limited by fast photocorrosion under working conditions. Hence stabilization of these materials is a key factor in their potential application for the light-induced hydrogen evolution reaction (HER). In order to identify new materials, oxidized Cu–Si–Ti metallic thin film precursor materials libraries were evaluated using a combinatorial approach. High-throughput photoelectrochemical characterization using an automated optical scanning droplet cell was performed on a material library to analyze doping and alloying effects on the light-induced HER. The results revealed that compositions near Ti-doped CuSiO3 (dioptase and copper-polysilicate) and Si-doped Cu3TiOx act as comparatively stable and highly active materials for HER.

Graphical abstract: New materials for the light-induced hydrogen evolution reaction from the Cu–Si–Ti–O system

Supplementary files

Article information

Article type
Paper
Submitted
13 dek 2015
Accepted
12 yan 2016
First published
12 yan 2016
This article is Open Access
Creative Commons BY license

J. Mater. Chem. A, 2016,4, 3148-3152

New materials for the light-induced hydrogen evolution reaction from the Cu–Si–Ti–O system

H. S. Stein, R. Gutkowski, A. Siegel, W. Schuhmann and A. Ludwig, J. Mater. Chem. A, 2016, 4, 3148 DOI: 10.1039/C5TA10186G

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