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Monomolecular VB2-doped MOFs for photocatalytic oxidation with enhanced stability, recyclability and selectivity

Abstract

Monomolecular VB2 is doped into UiO-66 via chemical bond and the obtained VB2@UiO-66 can be used as heterogeneous photocatalyst. The introduction of VB2 has modulated the band structure of UiO-66, resulting in 1O2 as the only reactive oxygen species under visible light irradiation, which is totally different from sole VB2 with various reactive species. It is the reason why VB2@UiO-66 displays excellent photocatalytic selectivity towards benzyl alcohol oxidation. At the same time, chemical bonding with UiO-66 greatly improves the stability of VB2 under visible light. This work offers not only a solution to the poor recyclability, stability and selectivity of VB2 as photocatalyst but also a new efficient strategy to extend photocatalytic application of MOFs by immobilizing usual biological antioxidant on their particular sites.

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Publication details

The article was received on 30 Aug 2019, accepted on 05 Nov 2019 and first published on 07 Nov 2019


Article type: Paper
DOI: 10.1039/C9TA09571C
J. Mater. Chem. A, 2019, Accepted Manuscript

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    Monomolecular VB2-doped MOFs for photocatalytic oxidation with enhanced stability, recyclability and selectivity

    R. Zhang, X. Song, Y. Liu, P. Wang, Z. Wang, Z. Zheng, Y. Dai and B. Huang, J. Mater. Chem. A, 2019, Accepted Manuscript , DOI: 10.1039/C9TA09571C

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