Issue 110, 2016, Issue in Progress

Two new silver triazole frameworks with polyoxometalate templates

Abstract

Two new polyoxometalate-templated organic–inorganic hybrid compounds with different metal–organic frameworks, [Ag5(trz)6][H4PMo12O40] (1) and [Ag10(trz)8][HPMo12O40] (2) (trz = 1,2,4-triazole), have been prepared based on the same organic ligands under different pH values. Compound 1 exhibits a honeycomb 2D [Ag5(trz)6] network and 3D graphite-like hybrid framework, and compound 2 exhibits a 3D {Ag3[Ag6(trz)6][Ag(trz)2]} framework with 2D channels, in which [PMo12O40]3− polyanions locate in the center of channels. To the best of our knowledge, [PMo12O40]3− polyanions represent the highest coordination number in 1 and terminal oxygen coordination number in 2 of Keggin POMs up to date. A comparison of two compounds demonstrates that the coordination mode of 1,2,4-triazole ligands and Keggin POMs templates have important influences on the assembly of different frameworks. In addition, compounds 1 and 2 exhibit good photocatalytic degradation of Rhodamine-B, and are very stable and easily recyclable as well.

Graphical abstract: Two new silver triazole frameworks with polyoxometalate templates

Supplementary files

Article information

Article type
Paper
Submitted
25 Sep 2016
Accepted
28 Oct 2016
First published
28 Oct 2016

RSC Adv., 2016,6, 108328-108334

Two new silver triazole frameworks with polyoxometalate templates

J. Sha, X. Yang, P. Zhu, Y. Lan and N. Sheng, RSC Adv., 2016, 6, 108328 DOI: 10.1039/C6RA23809B

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