NDLI: One-pot solvothermal method to synthesize platinum/W<sub>18</sub>O<sub>49</sub> ultrafine nanowires and their catalytic performance

Content Provider	Royal Society of Chemistry (RSC)
Author	Chen, Sha Zhao, Yanfei Sun, Zhenyu Liu, Zhimin Huang, Changliang Tao, Ranting Zhang, Hongye
Copyright Year	2012
Abstract	A simple solvothermal method was developed to prepare platinum/W18O49 ultrafine nanowires (<5 nm in diameter) through hydrolysis of WCl6 in ethanol-water solution in the presence of poly(N-vinyl-2-pyrrolidone) capping with Pt nanoparticles, and a series of Pt/W18O49 nanocomposites were obtained. These Pt/W18O49 composites were characterized by transmission electron microscopy, X-ray diffraction, Fourier-transform infrared spectra, X-ray photoelectron spectroscopy, and photoluminescence spectroscopy. It was demonstrated that PVP not only directed the formation of W18O49 nanowires, but also transferred the metal particles onto the oxide support without any size change. Due to the relatively strong interaction between Pt nanoparticles and the W18O49 nanowires, the as-prepared Pt/W18O49 composites exhibited blue shift in UV emission compared to the W18O49 nanowires, and displayed high activity and excellent stability for hydrogenation of p-chloronitrobenzene to p-chloroaniline with a selectivity of 99.7%.
Starting Page	3354
Ending Page	3359
Page Count	6
File Format	HTM / HTML PDF
ISSN	09599428
Volume Number	22
Issue Number	8
Journal	Journal of Materials Chemistry
DOI	10.1039/c1jm15726d
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	PVP Hydrolysis Transmission electron microscopy X-ray crystallography Fourier-transform infrared spectroscopy X-ray photoelectron spectroscopy Photoemission spectroscopy Photoluminescence Spectroscopy Strong interaction Blueshift Hydrogenation
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry

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