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A microwave-assisted thermolysis route to single-step preparation of MoS2/CdS composite photocatalysts for active hydrogen generation

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Abstract

Noble-metal free co-catalysts show great potential for boosting the photocatalytic hydrogen generation activity of a photocatalyst. However, the growth of these co-catalysts is always time and energy intensive due to the multiple operations. Herein we report on facile and rapid growth of a MoS2 co-catalyst on CdS for active hydrogen generation via single-step microwave-assisted thermolysis of a Mo/Cd-thiourea complex. The MoS2/CdS hybrids by optimizing the microwave reaction time show active H2 generation upon visible light exposure. The highest H2 generation rate achieved was 11.4 mmol h−1 g−1 from the hybrid with 3 wt% MoS2 content, which is 2 times higher than that of 0.5 wt% Pt loaded CdS. The present microwave-assisted thermolysis is simple, easy to operate, and time and energy efficient, thereby providing a robust route for the preparation of metal sulfide-based photocatalysts.

Graphical abstract: A microwave-assisted thermolysis route to single-step preparation of MoS2/CdS composite photocatalysts for active hydrogen generation

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Publication details

The article was received on 29 Sep 2017, accepted on 19 Nov 2017 and first published on 20 Nov 2017


Article type: Paper
DOI: 10.1039/C7SE00475C
Citation: Sustainable Energy Fuels, 2018, Advance Article
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    A microwave-assisted thermolysis route to single-step preparation of MoS2/CdS composite photocatalysts for active hydrogen generation

    L. Jiang, L. Wang, G. Xu, L. Gu and Y. Yuan, Sustainable Energy Fuels, 2018, Advance Article , DOI: 10.1039/C7SE00475C

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