Properties of the incandescent light emitted from double-walled carbon nanotube filament

被引：0
|
作者：
Wei Jin-Quan
Sun Jia-Lin [1 ]
Wu De-Hai
Guo Ji-Hua
Luo Jian-Bin
Wang Kun-Lin
机构：
[1] Tsing Hua Univ, Educ Minist, Key Lab Adv Mfg Mat Proc Technol, Beijing 100084, Peoples R China
[2] Tsing Hua Univ, Dept Mech Engn, Beijing 100084, Peoples R China
[3] Tsing Hua Univ, Key Lab Atom & Mol Nanosci, Educ Minist, Beijing 100084, Peoples R China
[4] Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China
来源：
CHINESE PHYSICS | 2006年 / 15卷 / 11期
关键词：
double-walled carbon nanotube filament; emission spectra; exponential dependence;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have studied the radiation of a double-walled carbon nanotube (DWNT) filament with a length of 4.5 mm and a diameter of 10 mu m by applying an electric current through the filament. The DWNT filament starts emitting incandescent light at voltage U = 6V. Emission spectra of the DWNT below temperature 1250K can well be fitted to those of the blackbody radiation. The intensity of the incandescent light shows an exponential dependence on the voltage applied on the DWNT filaments. The resistance of the DWNT filaments is very stable at high temperatures between 900 and 1250K during the emission of light in the experiments.
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页码：2731 / 2734
页数：4
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