Pore size distribution of single-walled carbon nanotubes

被引：36

作者：

Hu, YH ^{[1
]}

Ruckenstein, E ^{[1
]}

机构：

[1] SUNY Buffalo, Dept Chem Engn, Amherst, NY 14260 USA

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2004年 / 43卷 / 03期

关键词：

D O I：

10.1021/ie030757+

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The pore size distributions of bundled single-walled carbon nanotubes were investigated by N-2 adsorption and desorption. It was found that the pore sizes are in two main ranges: <5 nm and 10-100 nm. Furthermore, their heating in an inert gas, CO2, or H-2 at 800 degreesC did not change the pore size distribution, even though significant amounts of nanotubes were consumed during the latter two treatments. In contrast, the nitric acid treatment at 70 degreesC completely changed the pore size distribution, generating an active-carbon-like pore size distribution and a large increase of the total surface area.

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页码：708 / 711

页数：4

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