Renjia Zhou et al 2007 Nanotechnology 18 485603 doi:10.1088/0957-4484/18/48/485603
Renjia Zhou1,2,3, Minmin Shi1,2, Xiaoqiang Chen1,2, Mang Wang1,2, Yang Yang3,4, Xiaobin Zhang5 and Hongzheng Chen1,2,3,6
Show affiliationsWater-soluble hybrids of multi-walled carbon nanotubes (MWNTs) and gold nanoparticles (Au@MWNTs) were fabricated via the in situ solution method and characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), and energy dispersive x-ray spectroscopy (EDS). An optoelectronic-active compound of N,N'-bi(2-mercaptoethyl)-perylene-3,4,9,10-tetracarboxylic diimide (MEPTCDI) was employed as interlinker and stabilizer for the formation of the Au@MWNTs hybrids. The size of Au nanoparticles in the hybrids can be controlled and decreased to a limited small range with high stability via this in situ fabrication approach. The hybrid formation mechanism was proposed by making comparison with other hybrids, employing various organic or organic groups as interlinkers, and was further demonstrated by TEM, ultraviolet–visible (UV–vis), and atomic absorption measurements. The optical properties of the Au@MWNTs hybrids were studied, and it was found that the hybrid exhibited strong visible luminescence under UV lamp irradiation, which might extend its potential applications to biological labeling, etc.
78.40.-q Absorption and reflection spectra: visible and ultraviolet
Issue 48 (5 December 2007)
Received 20 August 2007, in final form 2 October 2007
Published 1 November 2007
Renjia Zhou et al 2007 Nanotechnology 18 485603
O Janson et al 2009 New J. Phys. 11 113034
Gargi Chakraborty et al 2008 Nanotechnology 19 255401
Y C Shih et al 2008 J. Phys.: Condens. Matter 20 255227
Florian Bender et al 2009 Meas. Sci. Technol. 20 124011
Shan Wu et al 2009 J. Phys. D: Appl. Phys. 42 225406
Stephan Binder et al 2009 J. Phys.: Conf. Ser. 190 012201
J Hubert et al 2009 J. Phys.: Condens. Matter 21 464108
E N Landis and J E Bolander 2009 J. Phys. D: Appl. Phys. 42 214002
H B Cao et al 2009 J. Phys.: Condens. Matter 21 492202