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Issue 105, 2014
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Modulating the polyoxometalate-based inorganic–organic hybrids from simple chains to complicated frameworks via changing POM clusters

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Abstract

Investigation into a hydrothermal reaction system with a copper salt, 1-(imidazo-1-ly)-4-(1,2,4-triazol-1-ylmethyl)benzene) (itb) ligand and three types of polyoxometalates (POMs) led to the preparation of three new coordination polymers, [Cu2(itb)4(H4P2W18O62)]·H2O (1), [Cu(itb)4(HPW12O40)]·4H2O (2) and [Cu2(itb)2(Mo8O26)]·6H2O (3). The three coordination polymers were characterized by elemental analyses, single-crystal X-ray diffraction, powder X-ray diffraction, XPS and IR spectra. Structural analyses show that with modulating the type of POM anions from [Mo8O26]4− and [PW12O40]3− to [P2W18O62]6−, the three coordination polymers possess distinct structural motifs: simple one-dimensional (1D) chain (1), 1D + 1D → 2D interdigitated architectures (2) and complicated 3D frameworks consisting of both meso-helixes and left/right-helixes (3). The distinct structural features of the three coordination polymers suggest that the POM anions should play a significant role in the process of assembly. The electrocatalytic and luminescent properties for coordination polymers 1–3 have been investigated.

Graphical abstract: Modulating the polyoxometalate-based inorganic–organic hybrids from simple chains to complicated frameworks via changing POM clusters

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Supplementary files

Article information


Submitted
03 Aug 2014
Accepted
29 Sep 2014
First published
30 Sep 2014

RSC Adv., 2014,4, 61210-61218
Article type
Paper

Modulating the polyoxometalate-based inorganic–organic hybrids from simple chains to complicated frameworks via changing POM clusters

Y. Yu, H. Ma, H. Pang, L. Zhang, S. Li, C. Zhao and Z. Zhang, RSC Adv., 2014, 4, 61210
DOI: 10.1039/C4RA08058K

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