CO2 adsorption in single-walled carbon nanotubes

被引：301

作者：

Cinke, M ^{[1
]}

Li, J ^{[1
]}

Bauschlicher, CW ^{[1
]}

Ricca, A ^{[1
]}

Meyyappan, M ^{[1
]}

机构：

[1] NASA, Ames Res Ctr, Ctr Nanotechnol, Moffett Field, CA 94035 USA

来源：

CHEMICAL PHYSICS LETTERS | 2003年 / 376卷 / 5-6期

基金：

美国国家航空航天局;

关键词：

D O I：

10.1016/S0009-2614(03)01124-2

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Adsorption of CO2 on purified single-walled carbon nanotubes (SWNTs) has been studied in the temperature range of 0-200 degreesC and found to be mainly a physisorption process. The SWNTs adsorb nearly twice the volume of CO, compared to activated carbon. The experimental results yield a CO, heat of adsorption of 2303 J/mol (0.024 eV) in SWNTs. Our computational study yields a similar binding energy and shows that the CO2 is physisorbed side-on to the nanotube. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：761 / 766

页数：6

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