Abstract

Two organic–inorganic hybrid complexes based on a Keggin-type polyoxoanion, namely [Ni2(H2O)2(bipy)4(Hbipy)][AlW12O40]·7H2O 1 and [Ni2Cl2(bipy)3(Hbipy)2][SiW12O40]·2.5H2O 2 (bipy = 4,4′-bipy), have been synthesized and characterized by elemental analysis, IR spectroscopy, thermogravimetric analysis, and single-crystal X-ray diffraction. Complexes 1 and 2 possess similar 2D layer structures, constructed from 1D zigzag chains {Ni(bipy)}n2n+ and alternatively arranged Keggin anion and bipy linkers. Photocatalytic investigations indicate that both 1 and 2 exhibit photocatalytic activity for the degradation of Rhodamine B.

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