Preparation of carbon micro-coils by ultrasonic wave CVD

被引:5
作者
Kuzuya, C [1 ]
Hishikawa, Y [1 ]
Motojima, S [1 ]
机构
[1] Gifu Univ, Fac Engn, Dept Appl Chem, Gifu 5011193, Japan
关键词
chemical vapor deposition; catalytic decomposition; acetylene; carbon micro-coils; vapor grown carbon fibers; ultrasonic wave;
D O I
10.1252/jcej.35.144
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The carbon micro-coils were prepared by a ultrasonic wave CVD process, in which ultrasonic waves of 23-65 kHz were irradiated in the growing atmosphere of the carbon micro-coils. The irradiation effects of the ultrasonic waves on the growth, morphology and some properties of the carbon micro-coils were examined. With ultrasonic wave irradiation, the coil yield and the thickness of the coil layers increased by about 1.5 times and 1.3 times higher than that without irradiation, respectively. The coil diameter increased from 3-5 mum without irradiation to 5-9 mum with irradiation. The density increased from 1.8 g/cm(3) without irradiation to 2.0 g/cm(3) with irradiation by a 23 kHz ultrasonic wave.
引用
收藏
页码:144 / 149
页数:6
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