A Polyoxometalate‐Encapsulating Cationic Metal–Organic Framework as a Heterogeneous Catalyst for Desulfurization

Chemistry - A European Journal - Tập 21 Số 9 - Trang 3778-3784 - 2015
Xiuli Hao1,2, Yuan‐Yuan Ma1, Hong‐Ying Zang1, Li Wang1, Yangguang Li1, Enbo Wang1
1Key Laboratory of Polyoxometalate Science of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, 130024, P.R. China
2School of Chemical and Biological Engineering, Tai Yuan Science and Technology University, Taiyuan, 030021 (P. R. China)

Tóm tắt

Abstract

A new cationic triazole‐based metal–organic framework encapsulating Keggin‐type polyoxometalates, with the molecular formula [Co(BBPTZ)3][HPMo12O40]⋅24 H2O [compound 1; BBPTZ=4,4′‐bis(1,2,4‐triazol‐1‐ylmethyl)biphenyl] is hydrothermally synthesized and characterized by elemental analysis, IR spectroscopy, thermogravimetric analysis, powder X‐ray diffraction, and single‐crystal X‐ray diffraction. The structure of compound 1 contains a non‐interpenetrated 3D CdSO4 (cds)‐type framework with two types of channels that are interconnected with each other; straight channels that are occupied by the Keggin‐type POM anions, and wavelike channels that contain lattice water molecules. The catalytic activity of compound 1 in the oxidative desulfurization reaction indicates that it is not only an effective and size‐selective heterogeneous catalyst, but it also exhibits distinct structural stability in the catalytic reaction system.

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Chemistry - A European Journal

Tập 21 Số 9

3778-3784

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