Effect of pyrolysis temperature on properties of ACF/CNT composites

被引：0
|
作者：
Li-ping Wang
Zhu-cheng Huang
Ming-yu Zhang
Xing-sheng Liao
机构：
[1] Central South University,School of Minerals Processing and Bioengineering
[2] Changsha University,Department of Biological Engineering and Environmental Science
[3] Central South University,State Key Laboratory for Powder Metallurgy
来源：
Journal of Central South University | 2012年 / 19卷
关键词：
ACF/CNT composites; pyrolysis temperature; chemical vapor deposition; BET specific surface area; adsorption;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Activated carbon fiber/carbon nanotube (ACF/CNT) composites were fabricated by chemical vapor deposition (CVD) process. The effects of pyrolysis temperature on properties of ACF/CNT composites, including BET specific surface area, mass increment rate and adsorption efficiency for rhodamine B in solution, were investigated by scanning electron microscopy. The results show that the pyrolysis temperature is a key factor affecting the qualities of ACF/CNT composites. The mass increment rate and BET specific surface area sharply decrease with the increase of pyrolysis temperatures from 550 °C to 850 °C and the minimum diameter of CNTs appears at 750 °C. The maximum adsorption efficiency of ACF/CNT composites for rhodamine B is obtained at 650 °C. ACF/CNT composites are expected to be useful in adsorption field.
引用
收藏
页码：2746 / 2750
页数：4
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