Reacting soluble single-walled carbon nanotubes with singlet oxygen

被引：23
|
作者：
Hamon, Mark A. [1 ]
Stensaas, Kristina L. [1 ]
Sugar, Miles A. [1 ]
Tumminello, Katherine C. [1 ]
Allred, Anna K. [1 ]
机构：
[1] Millsaps Coll, Dept Chem, Jackson, MS 39210 USA
来源：
CHEMICAL PHYSICS LETTERS | 2007年 / 447卷 / 1-3期
关键词：
D O I：
10.1016/j.cplett.2007.08.079
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：
Soluble single-walled carbon nanotubes were oxidized with singlet oxygen ((1)Delta(g)) and the reaction progress was monitored utilizing FTIR and UV-vis-NIR spectroscopy. The results indicate reversible covalent addition of oxygen to the walls of the nanotubes, most likely producing either the [2 + 2] or [4 + 2] cycloaddition product. Oxidative selectivity of singlet oxygen for metallic over semiconducting SWNTs was demonstrated and it is proposed that this selectivity can be utilized as a method for nanotube purification. (c) 2007 Elsevier B.V. All rights reserved.
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页码：1 / 4
页数：4
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