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Issue 32, 2014
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Two novel organic–inorganic hybrid molybdenum(V) cobalt/nickel phosphate compounds based on isolated nanosized Mo/Co(Ni)/P cluster wheels

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Abstract

Two high-nuclear wheel-shaped nanoscale clusters, [Co(H2O)6]{[C3H4N2]2[C5NH5]14[H15(Mo2O4)8Co16(PO4)14(HPO3)10(OH)3]}·5H2O (1) and [C3H5N2]4[C5NH5]2[Ni(H2O)6]{[C3H4N2]2[C5NH5]14[H18(Mo2O4)8Ni16(PO4)22(OH)6]}·11H2O (2), have been successfully synthesized employing the Py and Imi ligands as chemical modifiers. Both clusters take nanoscale wheel-like shapes, and the inorganic cores are wrapped up by the Py and Imi ligands acting as organic shells. In compounds 1 and 2, the polyoxoanion unit exhibits a new organic–inorganic hybrid polymolybdophosphate, representing the first two isolated POMs in the wheel-type {Mo/TM/P} materials, while Py and Imi ligands improve electric the delocalization effects of polyanions. It is worth noting that the molecular TPA cross section σ of compound 1 is 2.5 times that of compound 2, which demonstrates that the nonlinear optical property can also be improved by replacing part of the phosphate radicals with phosphite radicals through enhancing electron delocalization.

Graphical abstract: Two novel organic–inorganic hybrid molybdenum(v) cobalt/nickel phosphate compounds based on isolated nanosized Mo/Co(Ni)/P cluster wheels

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Publication details

The article was received on 07 May 2014, accepted on 05 Jun 2014 and first published on 18 Jun 2014


Article type: Paper
DOI: 10.1039/C4TC00944D
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J. Mater. Chem. C, 2014,2, 6554-6560

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    Two novel organic–inorganic hybrid molybdenum(V) cobalt/nickel phosphate compounds based on isolated nanosized Mo/Co(Ni)/P cluster wheels

    H. Miao, H. Wan, M. Liu, Y. Zhang, X. Xu, W. Ju, D. Zhu and Y. Xu, J. Mater. Chem. C, 2014, 2, 6554
    DOI: 10.1039/C4TC00944D

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