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Issue 43, 2017
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Facile solution combustion synthesis of MoO2 nanoparticles as efficient photocatalysts

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Abstract

Foam-like MoO2 assembled from nanoparticles was fabricated by a solution combustion synthesis method using hexaammonium molybdate, ammonium nitrate (NH4NO3) and glycine as the precursors. The effect of the glycine/NH4NO3 ratio (Φ = 0.25, 0.50, 0.75, 1.0 and 1.25) on the physicochemical properties of the final products was systematically studied. The Φ value was found to display significant roles in the final phases and morphologies of the products. With a Φ value of 0.50, the foam-like product consisting of MoO2 nanoparticles with an average size of about 20–30 nm was synthesized. The photocatalytic activities of the foam-like MoO2 towards degradation of several contaminants, including methyl orange (MO), methylene blue (MB), rhodamine B (Rh B) and phenol, were investigated. The foam-like MoO2 offered excellent capability and stability toward photocatalytic degradation of the studied contaminants. The results reported here demonstrated that rational design of MoO2-based photocatalysts might be able to improve their properties in energy conversion and environmental preservation.

Graphical abstract: Facile solution combustion synthesis of MoO2 nanoparticles as efficient photocatalysts

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Publication details

The article was received on 07 Sep 2017, accepted on 02 Oct 2017 and first published on 09 Oct 2017


Article type: Paper
DOI: 10.1039/C7CE01611E
Citation: CrystEngComm, 2017,19, 6516-6526
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    Facile solution combustion synthesis of MoO2 nanoparticles as efficient photocatalysts

    S. Gu, M. Qin, H. Zhang, J. Ma, H. Wu and X. Qu, CrystEngComm, 2017, 19, 6516
    DOI: 10.1039/C7CE01611E

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