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Visible-light-driven photocatalytic properties of binary MoS2/ZnS heterostructured nanojunctions synthesized via one-step hydrothermal route

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Abstract

Here, we elaborate a facile and novel synthesis of a MoS2/ZnS nanojunction photocatalyst and its photocatalytic activity for the degradation of the organic contaminants malachite green and para-nitro phenol. The binary photocatalyst thus synthesized was characterized through different techniques, such as XRD, SEM, TEM, EDAX, BET, DRS, XPS and PL. The integration of MoS2 onto a ZnS lattice stimulates sulfur vacancies, curtailing the forbidden energy gap and facilitating visible light absorption. The formation of nanojunctions between ZnS and MoS2 benefits the segregation of photogenerated charge carriers through the interfaces, resulting in photodegradation rates nearly ten times faster than that of ZnS particles. The durability and stability of the synthesized photocatalyst were established by recyclability experiments. The MoS2/ZnS nanojunction synthesis is scalable and contributes to the advancement of MoS2-based photocatalysts for the efficient degradation of aqueous organic pollutants.

Graphical abstract: Visible-light-driven photocatalytic properties of binary MoS2/ZnS heterostructured nanojunctions synthesized via one-step hydrothermal route

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Publication details

The article was received on 30 Nov 2016, accepted on 21 Mar 2017 and first published on 22 Mar 2017


Article type: Paper
DOI: 10.1039/C6NJ03727E
Citation: New J. Chem., 2017, Advance Article
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    Visible-light-driven photocatalytic properties of binary MoS2/ZnS heterostructured nanojunctions synthesized via one-step hydrothermal route

    M. Joy, A. P. Mohamed, K. G. K. Warrier and U. S. Hareesh, New J. Chem., 2017, Advance Article , DOI: 10.1039/C6NJ03727E

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