Luminescent short thiol-functionalized multi-wall carbon nanotubes

被引：17
|
作者：
Minati, L. [1 ]
Speranza, G. [1 ]
Bernagozzi, I. [1 ]
Torrengo, S. [1 ,2 ]
Chiasera, A. [3 ]
Ferrari, M. [3 ]
机构：
[1] FBK, I-38123 Povo, Trento, Italy
[2] Univ Trent, Dept Phys, I-38123 Povo, Trento, Italy
[3] CNR IFN, CSMFO Lab, I-38123 Povo, Trento, Italy
来源：
DIAMOND AND RELATED MATERIALS | 2011年 / 20卷 / 07期
关键词：
Carbon nanotubes; Photoluminescence; X-ray photoelectron spectroscopy; Electron microscopy; NANOPARTICLES;
D O I：
10.1016/j.diamond.2011.06.013
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Luminescent short thiol-functionalized multi-wall carbon nanotubes (mean length 100-200 nm) were produced by the reaction between 2-aminoethanethiol molecules and oxidized carbon nanotubes with the aid of a coupling agent in ethanol. After the reactions stop the carbon nanotubes suspension was purified and filtered to separate the shorter carbon nanotubes. The short length carbon nanotubes fraction exhibits an intense luminescence visible to the naked eye. The maximum of the luminescence band and its intensity strongly depends on the excitation wavelength. The sample chemistry and morphology were characterized by means of X-ray photoelectron spectroscopy and scanning electron microscopy. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1046 / 1049
页数：4
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