Manganese-Catalyzed Surface Growth of Single-Walled Carbon Nanotubes with High Efficiency

被引：38

作者：

Liu, Bilu ^{[1
]}

Ren, Wencai ^{[1
]}

Gao, Libo ^{[1
]}

Li, Shisheng ^{[1
]}

Liu, Qingfeng ^{[1
]}

Jiang, Chuanbin ^{[1
]}

Cheng, Hui-Ming ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2008年 / 112卷 / 49期

关键词：

D O I：

10.1021/jp8060587

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 demonstrate that manganese (Mn) can catalyze the growth of single-walled carbon nanotubes (SWNTs) with high efficiency via a chemical vapor deposition process. Dense and uniform SWNT films with high quality were obtained by using a Mn catalyst, as characterized by scanning electron microscopy, Raman spectroscopy, atomic force microscopy, and transmission electron microscopy. Moreover, we found that the surface property of the substrate plays a critical role in the growth efficiency of SWNTs. By deposition of a thin oxide layer (SiO2 or Al2O3) on the top of a SiO2/Si substrate, the growth efficiency of SWNTs was dramatically improved. The successful growth of SWNTs by Mn catalyst provides new experimental information for understanding the growth mechanism of SWNTs, which may be helpful for their controllable synthesis.

引用

页码：19231 / 19235

页数：5

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