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https://hdl.handle.net/2440/113653
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Type: | Journal article |
Title: | Surface-tailored nanodiamonds as excellent metal-free catalysts for organic oxidation |
Author: | Duan, X. Ao, Z. Li, D. Sun, H. Zhou, L. Suvorova, A. Saunders, M. Wang, G. Wang, S. |
Citation: | Carbon, 2016; 103:404-411 |
Publisher: | Elsevier |
Issue Date: | 2016 |
ISSN: | 0008-6223 1873-3891 |
Statement of Responsibility: | Xiaoguang Duan, Zhimin Ao, Degang Li, Hongqi Sun, Li Zhou, Alexandra Suvorova, Martin Saunders, Guoxiu Wang, Shaobin Wang |
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. |
Description: | Available online 17 March 2016 |
Rights: | © 2016 Elsevier Ltd. All rights reserved. |
DOI: | 10.1016/j.carbon.2016.03.034 |
Grant ID: | http://purl.org/au-research/grants/arc/DP130101319 http://purl.org/au-research/grants/arc/LE120100026 |
Published version: | http://dx.doi.org/10.1016/j.carbon.2016.03.034 |
Appears in Collections: | Aurora harvest 3 Chemical Engineering publications |
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