期刊
APPLIED CATALYSIS B-ENVIRONMENTAL
卷 180, 期 -, 页码 607-613出版社
ELSEVIER
DOI: 10.1016/j.apcatb.2015.07.015
关键词
Graphene oxides; Pd catalyst; Hydrogenation; Cinnamaldehyde; Phenol
资金
- National Natural Science Foundation of China [21473155, 21273198, 21273200]
- Zhejiang Provincial Natural Science Foundation [LZ12B03001]
In this work, N-doped reduced graphene oxides (NRGO) was synthesized via a facile urea-hydrothermal treatment of graphene oxide and used as support for ultrafine Pd nanoparticles (NPs). It was found that N in NRGO can improve the dispersion of Pd NPs. NRGO supported Pd catalyst (Pd/NRGO) is highly active and selective for the hydrogenation of C=C bond in cinnamaldehyde and hydrogenation of phenol to cyclohexanone under mild conditions. X-ray diffraction, X-ray photoelectron spectra and transmission electron microscopy characterizations confirmed the interaction between NRGO and Pd enhanced with the amount of N atom in NRGO. Raman spectroscopy of adsorbed cinnamaldehyde on Pd/NRGO suggested that NRGO played a positive role in the selective activation of C=C bond in cinnamaldehyde. (C) 2015 Elsevier B.V. All rights reserved.
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