Diameter Increase in Millimeter-Tall Vertically Aligned Single-Walled Carbon Nanotubes during Growth

被引：45

作者：

Hasegawa, Kei ^{[1
]}

Noda, Suguru ^{[1
,2
]}

机构：

[1] Univ Tokyo, Dept Chem Syst Engn, Sch Engn, Bunkyo Ku, Tokyo 1138656, Japan

[2] Japan Sci & Technol Agcy, PRESTO, Kawaguchi, Saitama 3320012, Japan

来源：

APPLIED PHYSICS EXPRESS | 2010年 / 3卷 / 04期

基金：

日本科学技术振兴机构;

关键词：

CATALYST-SUPPORT; CVD SYNTHESIS; FORESTS; CO; PARTICLES; FILMS; WATER;

D O I：

10.1143/APEX.3.045103

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Diameter increase was found during the rapid, vertically aligned growth of millimeter-long single-walled carbon nanotubes (SWCNTs). The diameters continuously increased on average from 1.7nm at the top to 3.7nm at the bottom of vertically aligned SWCNTs. The SWCNT structures ranged from straight and bundled at the top to bent and isolated and even collapsed at the bottom. Our findings show the importance of suppressing catalyst coarsening to obtain thin SWCNTs, as well as a potential production route of thick SWCNTs and edgeless bilayer graphene ribbons. (C) 2010 The Japan Society of Applied Physics

引用

页数：3

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