Optical measurement in carbon nanotubes formation by pulsed laser ablation

被引：24

作者：

Ikegami, T

Nakanishi, F

Uchiyama, M

Ebihara, K

机构：

[1] Kumamoto Univ, Grad Sch Sci & Technol, Kumamoto 8608555, Japan

[2] Kumamoto Univ, Dept Elect & Comp Engn, Kumamoto 8608555, Japan

来源：

THIN SOLID FILMS | 2004年 / 457卷 / 01期

关键词：

pulsed laser ablation; carbon nanombes; nitrogen; C-2 swan band;

D O I：

10.1016/j.tsf.2003.12.033

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Carbon nanotubes (CNTs) were produced by laser ablation of a graphite composite target in argon and nitrogen ambient gas. To investigate the effect of nitrogen gas on CNTs formation, the plasma plume was examined using optical emission spectroscopy. The vibrational temperature of C, molecules was estimated by fitting of a Swan band spectrum. The temperature in N, ambient gas is lower than that in Ar ambient gas. In a nitrogen atmosphere, the spectrum intensity of C, Swan band was enhanced and CN violet system was also observed. Soot collected in the reaction tube was observed using FE-SEM and TEM. The soot deposited in the nitrogen gas contained more bundled CNTs than those in Ar ambience. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：7 / 11

页数：5

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