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1D- and 2D-architectures via self-assembly of the novel sandwich-type polyoxometalate [Zn 2Sb 2(B-α-ZnW 9O 34) 2] 14-

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Publication date 2012
Author Ni Lubin, Patzke Greta Ricarda,
Project Homogeneous photocatalytic water splitting
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Original article (peer-reviewed)

Journal CrystEngComm
Volume (Issue) 14(20)
Page(s) 6778 - 6782
Title of proceedings CrystEngComm
DOI 10.1039/c2ce25319d

Abstract

Two novel 1D and 2D polyoxometalate (POM) frameworks based on the new [Zn 2Sb 2(B-α-ZnW 9O 34) 2] 14- building block were selectively obtained from one-pot transformations of the trilacunary Keggin-type [B-α-SbW 9O 33] 9- precursor via Sb/Zn exchange, followed by self-assembly of the sandwich-type polyanions. The compounds were characterized in detail with a wide range of analytical methods, including single crystal and powder X-ray diffraction, thermogravimetric analysis and various spectroscopic techniques, and their photoluminescence properties were investigated at room temperature. Electrochemical behavior of the 1D and 2D {Zn 2Sb 2}-based POMs was characterized by means of cyclic voltammetry (CV) in sodium acetate buffer solution. Both compounds are effective catalysts for the oxidation of cyclohexanol with hydrogen peroxide. This journal is © The Royal Society of Chemistry 2012.
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