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Syntheses, crystal structures, and photocatalytic properties of two ammonium-directed Ag–Sb–S complexes

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Abstract

With ammonium ions as structure-directing agents, two novel silver thioantimonates (NH4)AgSb4S7·H2O (1) and (NH4)AgSb2S4 (2) have been surfactant-thermally synthesized and fully characterized. Compound 1 features a three dimensional (3D) open framework while compound 2 possesses a two dimensional (2D) layer structure. The optical band gaps are estimated to be 1.70 eV for 1 and 1.84 eV for 2, exhibiting semiconductor properties for visible light absorption. The photocatalytic experiments demonstrated that both 1 and 2 were able to degrade crystal violet (CV) and rhodamine B (RhB) under visible light irradiation. Moreover, compounds 1 and 2 also displayed selective photocatalytic abilities in CV degradation.

Graphical abstract: Syntheses, crystal structures, and photocatalytic properties of two ammonium-directed Ag–Sb–S complexes

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Publication details

The article was received on 06 Mar 2017, accepted on 26 Mar 2017 and first published on 28 Mar 2017


Article type: Research Article
DOI: 10.1039/C7QI00130D
Citation: Inorg. Chem. Front., 2017, Advance Article
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    Syntheses, crystal structures, and photocatalytic properties of two ammonium-directed Ag–Sb–S complexes

    L. Nie, G. Liu, J. Xie, T. Lim, G. S. Armatas, R. Xu and Q. Zhang, Inorg. Chem. Front., 2017, Advance Article , DOI: 10.1039/C7QI00130D

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