The Effect of Different Temperature Profiles Upon the Length and Crystallinity of Vertically-Aligned Multi-Walled Carbon Nanotubes

被引：3

作者：

Yun, Jongju ^{[1
]}

Lee, Cheesung ^{[2
]}

Zheng, Qing ^{[1
]}

Baik, Seunghyun ^{[1
,2
,3
]}

机构：

[1] Sungkyunkwan Univ, Dept Energy Sci DOES, Suwon 440746, South Korea

[2] Sungkyunkwan Univ, SKKU Adv Inst Nanotechnol SAINT, Suwon 440746, South Korea

[3] Sungkyunkwan Univ, Sch Mech Engn, Suwon 440746, South Korea

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2012年 / 12卷 / 08期

基金：

新加坡国家研究基金会;

关键词：

Multi-Walled Carbon Nanotubes; Chemical Vapor Deposition; Temperature Profile; CHEMICAL-VAPOR-DEPOSITION; SELECTIVE GROWTH; CATALYST; ARRAYS;

D O I：

10.1166/jnn.2012.5428

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We synthesized vertically-aligned multi-walled carbon nanotubes with an inner diameter of 1.6 similar to 7.5 nm and stack height of 80 similar to 28600 mu m by chemical vapor deposition. The effects of synthesis conditions such as substrate position in the tube furnace, maximum temperature, temperature increasing rate and synthesis duration on the structure of nanotubes were investigated. It was found that slightly faster temperature increase rate resulted in significantly longer length, larger diameter and more defects of nanotubes. Structural parameters such as inner, outer diameters, wall thickness and defects were investigated using transmission electron microscopy and Raman spectroscopy.

引用

页码：6534 / 6537

页数：4

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