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Issue 43, 2013
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A polyoxometalate-based ionic crystal assembly from a heterometallic cluster and polyoxoanions with visible-light catalytic activity

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Abstract

A polyoxometalate-based inorganic–organic hybrid [WO4{Ni(en)2(H2O)}3] [Ni(en)3]{P2W18O62}·[Ni(en)3]CO3·H2O (1) (en = ethanediamine), was synthesized under hydrothermal conditions, and characterized by IR, elemental analyses, XPRD, UV diffuse reflectance spectroscopy and single crystal X-ray diffraction analyses. Compound 1 consists of a heterometallic cluster [WO4{Ni(en)2(H2O)}3]4+, two [Ni(en)3]2+ groups, one [CO3]2− group, one water molecule and a Wells–Dawson anion [P2W18O62]6− ({P2W18}), which represents the first POM-based ionic crystal with the heterometallic macrocation cluster. Photocatalytic studies indicate that compound 1 is not only actively photocatalytic for degradation of methylene blue (MB) under visible light irradiation, but very stable and easily separated from the reaction system for reuse as well.

Graphical abstract: A polyoxometalate-based ionic crystal assembly from a heterometallic cluster and polyoxoanions with visible-light catalytic activity

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Publication details

The article was received on 28 May 2013, accepted on 29 Aug 2013 and first published on 02 Sep 2013


Article type: Paper
DOI: 10.1039/C3RA42594K
Citation: RSC Adv., 2013,3, 20829-20835

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    A polyoxometalate-based ionic crystal assembly from a heterometallic cluster and polyoxoanions with visible-light catalytic activity

    Z. Liu, S. Yao, Z. Zhang and E. Wang, RSC Adv., 2013, 3, 20829
    DOI: 10.1039/C3RA42594K

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