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

页码：2746 / 2750

页数：4

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