Control mechanisms for the growth of isolated vertically aligned carbon nanofibers

被引：74

作者：

Merkulov, VI ^{[1
]}

Hensley, DK

Melechko, AV

Guillorn, MA

Lowndes, DH

Simpson, ML

机构：

[1] Oak Ridge Natl Lab, Mol Scale Engn & Nanoscale Technol Grp, Oak Ridge, TN 37831 USA

[2] Oak Ridge Natl Lab, Thin Film & Nanostruct Mat Phys Grp, Oak Ridge, TN 37831 USA

[3] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA

[4] Univ Tennessee, Ctr Environm Biotechnol, Knoxville, TN 37996 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2002年 / 106卷 / 41期

关键词：

D O I：

10.1021/jp025647f

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：

Isolated vertically aligned carbon nanofibers (VACNFs) have been grown using do plasma-enhanced chemical vapor deposition, and the effects of the growth conditions on VACNF morphology and composition have been determined in substantial detail. The dependence of the growth rate, tip and base diameters, and chemical composition, of isolated VACNFs on the growth parameters is described, including the effects of plasma power and gas mixture. Phenomenological models explaining the observed growth behavior are presented. The results indicate the importance of plasma control for the deterministic growth of isolated VACNFs, which are promising elements for the fabrication of practical nanoscale devices.

引用

页码：10570 / 10577

页数：8

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