journal article Dec 16, 2019

Aerobic Oxidation of 5‐Hydroxymethylfurfural to 2,5‐Furandicarboxylic Acid over Holey 2 D Mn2O3 Nanoflakes from a Mn‐based MOF

ChemSusChem Vol. 13 No. 3 pp. 548-555 · Wiley
View at Publisher Save 10.1002/cssc.201903018
Abstract
AbstractThe aerobic oxidation of 5‐hydroxymethylfurfural (HMF) to 2,5‐furandicarboxylic acid (FDCA), a promising renewable monomer to produce bio‐based polymers such as polyethylene furanoate (PEF), has recently emerged as the subject of increasing interest. Here, holey 2 D Mn2O3 nanoflakes were obtained by a facile thermal treatment of a Mn‐based metal–organic framework (MOF) precursor. The structural and morphological properties of the nanoflakes were characterized by powder XRD, FTIR, SEM and TEM to explore the formation process. It was inferred that the linker loss in the MOF precursor and the oxidation of the Mn cation induced by the heat‐treatment in air were responsible for the formation of holey 2 D Mn2O3 nanoflakes. The specific morphology and redox cycle of the Mn cation on the surface endowed the synthesized nanoflakes with promising performance on the selective oxidation. The obtained nanoflakes calcined at 400 °C (M400) afforded over 99.5 % yield of FDCA at complete conversion of HMF, which is superior to the catalytic activity of commercial Mn2O3 and activated MnO2. To our knowledge, Mn2O3 exhibiting such a high performance on the aerobic oxidation of HMF to FDCA has not yet been reported. Based on the investigation of the experimental parameters, a plausible reaction mechanism was proposed.
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Cited By
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Materials Science for Energy Techno...
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Details
Published
Dec 16, 2019
Vol/Issue
13(3)
Pages
548-555
License
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Funding
National Natural Science Foundation of China Award: 21673120
Cite This Article
Liwei Bao, Fang‐Zhou Sun, Guo‐Ying Zhang, et al. (2019). Aerobic Oxidation of 5‐Hydroxymethylfurfural to 2,5‐Furandicarboxylic Acid over Holey 2 D Mn2O3 Nanoflakes from a Mn‐based MOF. ChemSusChem, 13(3), 548-555. https://doi.org/10.1002/cssc.201903018
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