An approach to carbon nanotubes with high surface area and large pore volume

被引：84

作者：

Niu, Jun Jie ^{[1
]}

Wang, Jian Nong ^{[1
]}

Jiang, Ying ^{[1
]}

Su, Lian Feng ^{[1
]}

Ma, Jie ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200030, Peoples R China

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2007年 / 100卷 / 1-3期

基金：

中国国家自然科学基金;

关键词：

carbon nanotubes; activation; specific surface area;

D O I：

10.1016/j.micromeso.2006.10.009

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Multi-walled carbon nanotubes (MWCNTs) with high purity were synthesized by a floating catalyst technique suitable for large-scale production. Ethanol and ferrocene were used as the carbon and catalyst precursors, respectively. Thiophene was added to assist the growth. The pristine sample was chemically activated by using KOH at high temperature and the specific surface area increased drastically from similar to 65 m(2)/g to similar to 830 m(2)/g while the graphite structure was maintained. Furthermore, the mean pore diameter was decreased from 21.15 nm to 7.68 nm and pore volume increased from 0.3429 cm(3)/g to 1.5950 cm(3)/g. MWCNTs with a high surface area and pore volume would have promising applications in many fields. (c) 2006 Elsevier Inc. All rights reserved.

引用

页码：1 / 5

页数：5

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