Published January 1, 2016
| Version v1
Journal article
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Superior activity of the CuS-TiO2/Pt hybrid nanostructure towards visible light induced hydrogen production
Creators
- 1. Univ Fed Rio Grande do Sul, Inst Quim, BR-91501970 Porto Alegre, RS, Brazil
- 2. SIT, Dept Chem, Tumkur, Karnataka, India
- 3. Univ Nottingham, Sch Chem, Univ Pk, Nottingham NG7 2RD, England
Description
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 mol h(-1) g(-1) and for CuS-TiO2/Pt was 746 mu mol 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.
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