期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 40, 期 14, 页码 4996-5005出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2014.12.045
关键词
Ag nanopartides; Co nanoparticles; Reduced graphene oxide; P-nitrophenol reduction
资金
- FCT [PTDC/EME-MFE/103051, SFRH/BD/80105/2011, SFRH/BPD/74877/2010, SFRH/BI/52521/2014]
- FSE/POPH
- FEDER and ON2 [Norte-070124-FEDER-000070]
- FCT, Portugal [SFRH/BPD/75582/2010]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/80105/2011] Funding Source: FCT
We report a facile and green method for the synthesis of Ag@Co/RGO nanocomposite using two reducing agents, L-ascorbic acid (L-AA) and sodium borohydride (NaBH4) at room temperature (RT) and explored the practical application for catalysis reaction. The structure, composition and morphology of the catalyst were characterized by using X-ray diffraction (XRD), vibrating sample magnetometer (VSM), Fourier transform infrared spectroscopy (FTIR), Raman, scanning electron microscopy (SEM), Transmission Electron Microscopy (TEM), X-ray Photoelectron Spectroscopy (XPS) and energy dispersive X-ray spectroscopy (EDX) techniques. Further, the catalytic activity of Ag@Co/RGO nanocomposites was investigated for hydrogenation of p-nitrophenol (4-NP) to p-aminophenol (4-AP) and it showed a remarkable high activity 45 s at RT with excellent stability up to 5 cycles. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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