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Issue 11, 2019
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A novel Cu-nanowire@Quasi-MOF via mild pyrolysis of a bimetal-MOF for the selective oxidation of benzyl alcohol in air

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Abstract

The preparation of metal nanocomposite catalysts with MOFs as precursors has attracted extensive attention, as the design and preparation of catalysts by this method could maximize the advantages of the precursors and ensure the stability of the catalysts as much as possible. Here, a benzimidazole-modified Cu/Co bimetal-MOF as a precursor was used to synthesize a Cu-nanowire@Quasi-MOF material via a simple and low-cost thermal decomposition strategy for the first time. Experimental evaluation suggested that the Co-MOF part in Cu/Co bimetal-MOF was a morphology retainer, and the special channel composition of the Quasi-MOF played a space-confined role in the formation of the unique Cu-nanowires. Based on the detailed investigation, a possible formation mechanism was proposed. Furthermore, Cu-nanowire@Quasi-MOF exhibited excellent catalytic performance and good stability in the selective oxidation of benzyl alcohol in air. This study demonstrated that using MOFs as a precursor, by adjusting the calcination temperature and adding heteroatoms, can control the morphology of metal nanoparticles (MNPs) in MOF derivatives, reduce agglomeration and enhance catalytic activity, which will be a promising approach to in situ preparation of complex metal nanocomposites.

Graphical abstract: A novel Cu-nanowire@Quasi-MOF via mild pyrolysis of a bimetal-MOF for the selective oxidation of benzyl alcohol in air

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Publication details

The article was received on 29 Apr 2019, accepted on 17 Jul 2019 and first published on 18 Jul 2019


Article type: Research Article
DOI: 10.1039/C9QM00277D
Mater. Chem. Front., 2019,3, 2363-2373

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    A novel Cu-nanowire@Quasi-MOF via mild pyrolysis of a bimetal-MOF for the selective oxidation of benzyl alcohol in air

    Y. Shen, L. Bao, F. Sun and T. Hu, Mater. Chem. Front., 2019, 3, 2363
    DOI: 10.1039/C9QM00277D

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