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Superior activity of the CuS–TiO2/Pt hybrid nanostructure towards visible light induced hydrogen production
V. S. Souza,G. Nagaraju,J. Marcos Leite Santos,J. Dupont
New Journal of Chemistry Pub Date : 11/01/2016 00:00:00 , DOI:10.1039/C6NJ02241C
Abstract

A CuS–TiO2 hybrid nanostructure has been synthesized and employed for photocatalytic hydrogen production under UV-Vis light using Na2S and Na2SO3 as the sacrificial agents. The remarkable hydrogen production recorded for the CuS–TiO2 heterostructure was 458 μmol h−1 g−1 and for CuS–TiO2/Pt was 746 μmol h−1 g−1. The corresponding apparent quantum yield values are 1.01% and 1.55%. The addition of Pt to the hybrid structure acts as a metallic sandwich between two semiconductors CuS and TiO2 which assist in charge separation.

Graphical abstract: Superior activity of the CuS–TiO2/Pt hybrid nanostructure towards visible light induced hydrogen production
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