期刊
APPLIED CATALYSIS B-ENVIRONMENTAL
卷 142, 期 -, 页码 234-240出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2013.05.031
关键词
Multiwall carbon nanotube; Gold catalysis; Polypyrrole; Acetylene hydrochlorination
资金
- National Basic Research Program of China (973 Program) [2012CB720302]
- Program for Changjiang Scholars and Innovative Research Teams in University (PCSIRT) [IRT1161]
- National Natural Science Funds of China (NSFC) [U1203293]
In this study, polypyrrole (PPy) was deposited on the surface of multiwall carbon nanotubes (MWCNTs), and PPy-MWCNTs were used to support the AuCl3 catalyst. Transmission electron microscopy and Fourier-transform infrared spectrometry confirmed the presence of PPy species in AuCl3/PPy-MWCNT catalysts. AuCl3/PPy-MWCNTs displayed enhanced catalytic activity and stability for acetylene hydrochlorination compared to AuCl3/MWCNT. Electron transfer may occur between the N atom of PPy and the Au3+ center, which affects the adsorption of hydrogen chloride during acetylene hydrochlorination. Crown Copyright (c) 2013 Published by Elsevier B.V. All rights reserved.
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