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Hybrid VS2 cocatalyst and phosphorus dopant towards both surface and bulk modification of ZnCdS/CdS heterostructures

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Abstract

Rationally designing a photocatalytic system is of significance for effectively converting infinite solar energy into clean hydrogen energy. This study revealed that bulk modification of ZnCdS–CdS heterojunction via phosphorus doping and surface modulation by adopting the novel VS2 as the cocatalyst exhibited synergistic effects for improving the photocatalytic activity of the heterojunction. Notably, the photocatalytic hydrogen evolution rate of the pristine ZnCdS–CdS heterostructure raised from 25.46 to 72.82 and 52.82 μmol h−1 using only 5 mg photocatalyst with the bulk and surface modification alone, respectively, while the hydrogen evolution rate increased to 192.28 μmol h−1 with both bulk phosphorus doping and surface adoption of VS2, opening a new method for the improving the photocatalytic activity by both bulk and surface modulation.

Graphical abstract: Hybrid VS2 cocatalyst and phosphorus dopant towards both surface and bulk modification of ZnCdS/CdS heterostructures

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Publication details

The article was received on 30 Oct 2018, accepted on 23 Dec 2018 and first published on 26 Dec 2018


Article type: Communication
DOI: 10.1039/C8CY02242A
Citation: Catal. Sci. Technol., 2019, Advance Article
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    Hybrid VS2 cocatalyst and phosphorus dopant towards both surface and bulk modification of ZnCdS/CdS heterostructures

    Y. Zhang, Y. Lin, Z. Wang, K. Li, T. Li and F. Liu, Catal. Sci. Technol., 2019, Advance Article , DOI: 10.1039/C8CY02242A

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