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    Surface-tailored nanodiamonds as excellent metal-free catalysts for organic oxidation

    Access Status
    Fulltext not available
    Authors
    Duan, X.
    Ao, Z.
    Li, D.
    Sun, Hongqi
    Zhou, L.
    Suvorova, A.
    Saunders, M.
    Wang, G.
    Wang, S.
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Duan, X. and Ao, Z. and Li, D. and Sun, H. and Zhou, L. and Suvorova, A. and Saunders, M. et al. 2016. Surface-tailored nanodiamonds as excellent metal-free catalysts for organic oxidation. Carbon. 103: pp. 404-411.
    Source Title
    Carbon
    DOI
    10.1016/j.carbon.2016.03.034
    ISSN
    0008-6223
    School
    Department of Chemical Engineering
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/DP130101319
    URI
    http://hdl.handle.net/20.500.11937/46859
    Collection
    • Curtin Research Publications
    Abstract

    Metal-free catalysis has demonstrated competitive performance in energy conversion and chemical synthesis, yet scenarios in environmental catalysis are scant. The application of carbocatalysis for preventing secondary contamination by heavy/noble metals is envisaged as benign remediation. In this paper, we report a facile alteration of the surface chemistry of nanodiamond, a biocompatible nanocarbon, for application to environmental catalysis. The modulation is able to improve the redox capability of potassium ferricyanide (III) and to enhance the performance of the nanodiamond for activating peroxymonosulfate (PMS) to produce sulfate and hydroxyl radicals for catalytic oxidation. Cyclic voltammetry analysis, electron paramagnetic resonance (EPR) spectra, classical quenching tests, and density functional theory (DFT) calculations are integrated for a mechanistic study. This paper discusses highly efficient green materials for environmental catalysis and offers new insights into the heterogeneous carbocatalysis.

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