Deactivation of singlet oxygen by single-wall carbon nanohorns

被引：6
|
作者：
Yanagi, Kazuhiro
Okazaki, Toshiya
Miyata, Yasumitsu
Kataura, Hiromichi
机构：
[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058562, Japan
[2] AIST, Res Ctr Adv Carbon Mat, Tsukuba, Ibaraki 3058565, Japan
来源：
CHEMICAL PHYSICS LETTERS | 2006年 / 431卷 / 1-3期
关键词：
NANOTUBES; OXIDATION; ADSORPTION;
D O I：
10.1016/j.cplett.2006.09.078
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：
The deactivation rate constant of singlet oxygen 102 by single-wall carbon nanohorns (SWNHs) was determined. The estimated rate constant by SWNHs, 8 x 10(4) L g(-1) s(-1), was significantly larger than the physical quenching rate constant by alpha-Tocopherol, 0.9 x 10(4) L g(-1) s(-1). The origin of this remarkable efficiency of SWNHs for O-1(2) deactivation is ascribed to the unique curvature of the graphitic tube in their horn shaped structure. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：145 / 148
页数：4
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