Adsorption kinetics of small organic molecules on thick and thinner layers of carbon nanotubes

被引：4

作者：

Komarneni, M. ^{[1
]}

Sand, A. ^{[1
]}

Lu, M. ^{[2
]}

Burghaus, U. ^{[1
]}

机构：

[1] N Dakota State Univ, Dept Chem & Mol Biol, Fargo, ND 58105 USA

[2] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA

来源：

CHEMICAL PHYSICS LETTERS | 2009年 / 470卷 / 4-6期

关键词：

CATALYSTS; AU(111); ALKANES;

D O I：

10.1016/j.cplett.2009.02.002

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：

Using an ultra-high vacuum kinetics technique, we present unexpected experimental evidence that thick layers of carbon nanotubes (CNTs) show adsorption behavior that is kinetically distinct to that of thinner CNT films. Thick layers reveal much greater desorption temperatures (binding energies) for n-pentane and benzene compared to thinner CNT films. These results are significant in gaining an understanding of the interplay of kinetics and electronic effects as well as for applications in catalysis. (C) 2009 Elsevier B. V. All rights reserved.

引用

页码：300 / 303

页数：4

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