Chao-Hua Xue et al 2008 Nanotechnology 19 325605 doi:10.1088/0957-4484/19/32/325605
Chao-Hua Xue1,2, Ren-Jia Zhou1,2,3, Min-Min Shi1,2,5, Yan Gao1,2,3, Gang Wu1,2, Xiao-Bin Zhang4, Hong-Zheng Chen1,2,3,5 and Mang Wang1,2
Show affiliationsA green approach has been developed to synthesize water soluble multi-walled carbon nanotubes (MWNTs). Ag nanoparticles have been loaded on the as-synthesized MWNTs via the in situ solution method. The strategy is based on the introduction of hydroxyl and carboxyl groups through a mild modification of MWNTs via polycondensation of citric acid and D-sorbitol, improving the water solubility of MWNTs, giving rise to preferred sites of Ag nucleation, and providing mild in situ reducing agents. The modification of MWNTs and loading of Ag nanoparticles on MWNTs were demonstrated by Fourier transform infrared spectroscopy, thermogravimetric analysis, transmission electron microscopy, and scanning electron microscopy.
81.16.-c Methods of nanofabrication and processing
78.30.Er Solid metals and alloys
Issue 32 (13 August 2008)
Received 4 April 2008, in final form 20 May 2008
Published 4 July 2008
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