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Issue 4, 2018
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Truncated concave octahedral Cu2O nanocrystals with {hkk} high-index facets for enhanced activity and stability in heterogeneous catalytic azide–alkyne cycloaddition

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Abstract

We report a facile synthesis of Cu2O truncated concave octahedral nanocrystals mainly with {511} high-index facets in a system of oil in water emulsion. In azide–alkyne cycloaddition with water as a green solvent, Cu2O truncated concave octahedra showed greatly enhanced activity with a turnover frequency (TOF) as high as 2413 h−1, which was about two and four times, respectively, that of Cu2O rhombic dodecahedra with {110} facets and cubes with {100} facets. After 10 rounds of recycling experiments, the Cu2O truncated concave octahedra still exhibited good catalytic and structural stability.

Graphical abstract: Truncated concave octahedral Cu2O nanocrystals with {hkk} high-index facets for enhanced activity and stability in heterogeneous catalytic azide–alkyne cycloaddition

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Publication details

The article was received on 06 Oct 2017, accepted on 16 Jan 2018 and first published on 17 Jan 2018


Article type: Communication
DOI: 10.1039/C7GC03020G
Citation: Green Chem., 2018,20, 832-837
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    Truncated concave octahedral Cu2O nanocrystals with {hkk} high-index facets for enhanced activity and stability in heterogeneous catalytic azide–alkyne cycloaddition

    Z. Zhao, X. Wang, J. Si, C. Yue, C. Xia and F. Li, Green Chem., 2018, 20, 832
    DOI: 10.1039/C7GC03020G

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