Syntheses, structure and properties of a 3d-4d/2-ptz heterometallic organic chain-modified POM-based framework

Abstract

A novel polyoxometalate-based hybrid modified by 3d-4d/2-ptz heterometallic organic chains[n-ptz= 5-(n-pyridyl)-tetrazolate], Ag₂[Cu(2-ptz)₂][β-Mo₈O₂₆]_0.5·H₂O(1)[2-ptz=5-(2-pyridyl)-tetrazolate], was synthesized under hydrothermal conditions. The 3D framework structure of compound 1 was constructed from 1D novel 3d-4d heterometallic organic chains [CuAg₂(2-ptz)₂]²⁺ as cationic complexes and [β-Mo₈O₂₆]^4– polyoxoanions via Cu―O and Ag―O bonds, in which each [β-Mo₈O₂₆]^4– polyoxoanion was surrounded by six such chains. The electrochemical and photocatalytic properties of compound 1 were investigated.

Keywords

Polyoxometalate / Heterometallic organic chain / Crystal structure

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