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Title: | Construction of CuS/Au Heterostructure through a Simple Photoreduction Route for Enhanced Electrochemical Hydrogen Evolution and Photocatalysis |
Authors: | Pande, Surojit Basu, Mrinmoyee Nazir, Roshan |
Keywords: | Chemistry CuS/Au Heterostructure Photocatalysis Electrochemical |
Issue Date: | 5-Oct-2016 |
Publisher: | Springer Nature |
Abstract: | An efficient Hydrogen evolution catalyst has been developed by decorating Au nanoparticle on the surface of CuS nanostructure following a green and environmental friendly approach. CuS nanostructure is synthesized through a simple wet-chemical route. CuS being a visible light photocatalyst is introduced to function as an efficient reducing agent. Photogenerated electron is used to reduce Au(III) on the surface of CuS to prepare CuS/Au heterostructure. The as-obtained heterostructure shows excellent performance in electrochemical H2 evolution reaction with promising durability in acidic condition, which could work as an efficient alternative for novel metals. The most efficient CuS-Au heterostructure can generate 10 mA/cm2 current density upon application of 0.179 V vs. RHE. CuS-Au heterostructure can also perform as an efficient photocatalyst for the degradation of organic pollutant. This dual nature of CuS and CuS/Au both in electrocatalysis and photocatalysis has been unveiled in this study. |
URI: | https://www.nature.com/articles/srep34738 http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/3446 |
Appears in Collections: | Department of Chemistry |
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