期刊
CATALYSIS COMMUNICATIONS
卷 90, 期 -, 页码 70-74出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2016.11.021
关键词
Pd nanoparticles; Reduced graphene oxide; Sacrificial method; p-Nitrophenol; Catalytic reduction
资金
- National Natural Science Foundation of China [21603054]
- Natural Science Foundation of Hebei Province [B2015204003, B2016204131]
- Young Top-notch Talents Foundation of Hebei Provincial Universities [BJ2016027]
- Natural Science Foundation of Agricultural University of Hebei [LG201404, ZD201506, ZD201613]
Well-dispersed and ultrafine metal nanoparticles can significantly improve the catalytic performance of heterogeneous catalyst. In this paper, highly dispersed Pd nanoparticles were successful anchored on reduced graphene oxide using a co-deposition and sacrificial method, in which cobalt was used as the sacrificial agent. This method can effectively prevent the Pd nanoparticles from aggregation, and the resulted catalyst exhibited exceedingly high catalytic activity for the reduction of 4-nitrophenol at room temperature with NaBH4 as hydrogen resource. The turnover frequency reaches 9900 h(-1) at 298 K, which is among the highest values ever reported thus far for heterogeneously catalyzed reduction of 4-nitrophenol under ambient conditions. (C) 2016 Published by Elsevier B.V.
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