Synthesis and Raman scattering study of double-walled carbon nanotube peapods

被引：18
|
作者：
Qiu, HX
Shi, ZJ [1 ]
Zhang, SL
Gu, ZN
Qiu, JS
机构：
[1] Peking Univ, Dept Chem, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China
[2] Dalian Univ Technol, Ctr Nanomat & Sci, Carbon Res Lab, State Key Lab Fine Chem, Dalian 116012, Peoples R China
[3] Peking Univ, Sch Phys, Beijing 100871, Peoples R China
来源：
SOLID STATE COMMUNICATIONS | 2006年 / 137卷 / 12期
基金：
中国国家自然科学基金;
关键词：
double-walled carbon nanotubes peapods; Raman spectroscopy;
D O I：
10.1016/j.ssc.2006.01.037
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Double-walled carbon nanotubes (DWNTs) encapsulating C-60 fullerenes were successfully synthesized by gas phase diffusion method. The obtained peapods were examined using high-resolution transmission electron microscopy (HRTEM). The HRTEM images indicate that the ordered packing phases of fullerene molecules inside are sensitively related to the inner-tube radius of DWNTS. Also, Raman measurements were carried out for the first time to characterize DWNTs peapods. There are obvious differences between the Raman spectrum of DWNTs peapods and that of SWNTs peapods. The intensities of resonances from C-60 ill the former are much stronger than those in the latter. In addition, changes of tangential mode (TM) and radial breathing mode (RBM) of DWNTs after C-60 doping were observed. The possible reasons are discussed in the text. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：654 / 657
页数：4
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