High quality double wall carbon nanotubes with a defined diameter distribution by chemical vapor deposition from alcohol

被引：62

作者：

Grueneis, A.

Ruemmeli, M. H.

Kramberger, C.

Barreiro, A.

Pichler, T.

Pfeiffer, R.

Kuzmany, H.

Gemming, T.

Buechner, B.

机构：

[1] IFW Dresden, D-01171 Dresden, Germany

[2] Inst Catala Nanotecnol, E-08193 Bellaterra, Spain

[3] Ctr Nacl Microelect, E-08193 Bellaterra, Spain

[4] Inst Mat Phys, A-1090 Vienna, Austria

来源：

CARBON | 2006年 / 44卷 / 15期

基金：

奥地利科学基金会;

关键词：

carbon nanotubes; chemical vapor deposition; Raman spectroscopy; transmission electron microscopy; light scattering;

D O I：

10.1016/j.carbon.2006.07.003

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We have synthesized double wall carbon nanotubes (DWNTs) with few defects and little amorphous carbon by hot wall chemical vapor deposition (CVD) of alcohol. Catalysts for the DWNT growth were made from cobalt and molybdenum acetates. Scanning electron microscopy, transmission electron microscopy, multi frequency resonance Raman spectroscopy and optical absorption spectroscopy were used for characterization of the product with regard to DWNT yield, the nanotube diameter distribution, defect concentration and amorphous carbon content. Base pressures lower than 1 X 10(-5) mbar in the CVD reactor considerably suppress defects in the DWNTs. Optimized growth conditions for DWNT formation are presented. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：3177 / 3182

页数：6

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