期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 270, 期 -, 页码 11-17出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2014.01.033
关键词
Au nanoparticles; 3,4,9,10-Perylene tetracarboxylic acid; Ionic liquid; Noncovalent functionalized grapheme; Supported catalyst
资金
- Fundamental Research Funds for the Central Universities [lzujbky-2013-234]
- National Science Foundation of China [21345003]
New catalyst, prepared through Au nanoparticles anchored on the Ionic Liquid of 3,4,9,10-perylene tetracarboxylic acid-noncovalent functionalized graphene (Au/PDIL-GS), was fabricated using a facile and environment-friendly approach. The information of the morphologies, sizes, dispersion of Au nanoparticles (NPs) and chemical composition for the as-prepared catalysts was verified by systematic characterizations, including transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), Raman spectra, X-ray diffraction (XRD) and X-Ray photoelectron spectroscopy (XPS). As a new catalyst, the resulting Au/PDIL-GS exhibited excellent catalytic activity in the reduction of 4-nitrophenol because of the synergistic effect between the PDIL-GS and Au NPs. The facile and environment-friendly approach provides a green way to effectively synthesize low cost Au-based catalysts for 4-NP reduction and is promising for the development of other useful materials. (C) 2014 Elsevier B.V. All rights reserved.
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