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Shape-controlled synthesis of the metal–organic framework MIL-125 towards a highly enhanced catalytic performance for the oxidative desulfurization of 4,6-dimethyldibenzothiophene

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Abstract

Nanoscale MIL-125 crystals with truncated octahedral shape were synthesized through the coordination modulation method using butyric acid as the modulator. Compared to the traditional MIL-125 crystals with dominant {001} facets, the truncated octahedral crystals are dominated by {101} facets as the exposed crystal facets. The MIL-125 crystals with different morphology exhibit significant facet-dependent catalytic activity for the oxidative desulfurization (ODS) reaction. The truncated octahedral MIL-125 crystals show remarkably enhanced catalytic performance towards oxidative desulfurization of the most refractory sulfur compound 4,6-dimethyldibenzothiophene (4,6-DMDBT). It is demonstrated that the shape-controlled synthesis of nanoscale MIL-125 is a promising way to promote its catalytic performance towards the reaction involving bulky molecules.

Graphical abstract: Shape-controlled synthesis of the metal–organic framework MIL-125 towards a highly enhanced catalytic performance for the oxidative desulfurization of 4,6-dimethyldibenzothiophene

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Article information


Submitted
01 Jun 2020
Accepted
25 Jun 2020
First published
26 Jun 2020

Dalton Trans., 2020, Advance Article
Article type
Paper

Shape-controlled synthesis of the metal–organic framework MIL-125 towards a highly enhanced catalytic performance for the oxidative desulfurization of 4,6-dimethyldibenzothiophene

P. Yang, Y. Huang, Z. Zhang, N. Li and Y. Fan, Dalton Trans., 2020, Advance Article , DOI: 10.1039/D0DT01955K

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