Issue 3, 2014

Stable electrocatalysts for autonomous photoelectrolysis of hydrobromic acid using single-junction solar cells

Abstract

Metal sulfides that are stable in bromine were investigated as electrocatalysts for hydrogen evolution in a photoelectrochemical device converting HBr to H2(g) and Br2(l). The photoanode was stabilized against photocorrosion using a poly(3,4-ethylenedioxythiophene) poly-(styrenesulfonate) (PEDOT:PSS) coating. Low loadings of rhodium sulfide nanoparticles were used as cathode electrocatalyst in place of platinum resulting in substantial improvement in the performance of a GaAs-based photosynthetic cell.

Graphical abstract: Stable electrocatalysts for autonomous photoelectrolysis of hydrobromic acid using single-junction solar cells

Supplementary files

Article information

Article type
Communication
Submitted
12 Nov 2013
Accepted
03 Jan 2014
First published
06 Jan 2014

Energy Environ. Sci., 2014,7, 978-981

Author version available

Stable electrocatalysts for autonomous photoelectrolysis of hydrobromic acid using single-junction solar cells

N. Singh, S. Mubeen, J. Lee, H. Metiu, M. Moskovits and E. W. McFarland, Energy Environ. Sci., 2014, 7, 978 DOI: 10.1039/C3EE43709D

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