Issue 1, 2023

pH-controlled assembling of POM-based metal–organic frameworks for use as supercapacitors and efficient oxidation catalysts for various sulfides

Abstract

The development of electrode materials for supercapacitors is a significant issue for future energy storage devices. In addition, the selective oxidation of sulfides to sulfoxides that serve as key intermediates for synthesizing medically and chemically active molecules is still a critical challenge. In this study, two novel 3D POM-based metal–organic frameworks, formulated as [Cu3(bty)3][BW12O40]·4H2O (1) and [Cu2.5(bty)5][BW12O40]·7H2O (2) (bty = bis(1,2,4-triazol-1-yl)ethane), were obtained via a one-step synthesis strategy by adjusting the pH value under solvothermal conditions. In compound 1, {BW12} as a 2-connected node is located between 2D Cu–organic sheets to yield a novel 3D POM-based metal–organic framework. There are 1D channel structures constructed with Cu–organic sheets in compound 2. Then, {BW12} as a 4-connected node merged into the orifice of the Cu–organic framework forming a glamorous 3D framework. Moreover, the 3D Cu–organic framework of 2 displays the fascinating shape of vase structures. These two compounds could be applied as electrode materials for supercapacitors with specific capacitances of 214.59 F g−1 and 189.17 F g−1 at 0.48 A g−1 respectively, as well as efficient heterogeneous catalysts for selective oxidation of sulfides to their corresponding sulfoxides.

Graphical abstract: pH-controlled assembling of POM-based metal–organic frameworks for use as supercapacitors and efficient oxidation catalysts for various sulfides

Supplementary files

Article information

Article type
Research Article
Submitted
06 सितम्बर 2022
Accepted
07 नवम्बर 2022
First published
08 नवम्बर 2022

Inorg. Chem. Front., 2023,10, 148-157

pH-controlled assembling of POM-based metal–organic frameworks for use as supercapacitors and efficient oxidation catalysts for various sulfides

Y. Hou, P. Han, L. Zhang, H. Li and Z. Xu, Inorg. Chem. Front., 2023, 10, 148 DOI: 10.1039/D2QI01922A

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