High density carbon nanotube growth using a plasma pretreated catalyst

被引：22

作者：

Zhang, C. ^{[1
]}

Xie, R. ^{[1
]}

Chen, B. ^{[1
]}

Yang, J. ^{[1
]}

Zhong, G. ^{[1
]}

Robertson, J. ^{[1
]}

机构：

[1] Univ Cambridge, Dept Engn, Cambridge CB3 0FA, England

来源：

CARBON | 2013年 / 53卷

关键词：

ELECTRICAL-PROPERTIES; INTERCONNECT; FILMS; FABRICATION; MECHANISM; DEVICES; ARRAYS; SIZE;

D O I：

10.1016/j.carbon.2012.11.020

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 developed a direct current plasma pretreatment of the Fe catalyst to increase the area density of vertically-aligned carbon nanotube forests. The carbon wall density of the double- and multi-walled nanotubes reaches 4.8 x 10(12) cm(-2), with a 40% volume occupancy and a mass density. of similar to 0.4 g cm(-3). The plasma pretreatment works by reducing the sintering of the catalyst nanoparticles during growth. This treatment increases the forest density by 8 times compared to the standard growth conditions. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：339 / 345

页数：7

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