Fluorescence of Nafion Dispersed Single-Walled Carbon Nanotubes in Water and in Silica Composite

被引：2
|
作者：
Lin, Ying-Ying [1 ]
Hung, Wei-Chun [1 ]
Wai, Chien M. [1 ]
机构：
[1] Univ Idaho, Dept Chem, Moscow, ID 83844 USA
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2011年 / 115卷 / 21期
关键词：
NEAR-INFRARED FLUORESCENCE; SODIUM DODECYL-SULFATE; HYDROGEN-PEROXIDE; CHARGE-TRANSFER; OXIDATION; SOLVENT; PHOTOLUMINESCENCE; SPECTRA;
D O I：
10.1021/jp2037119
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 fluorescence of single-walled carbon nanotubes (SWNTs) dispersed in a Nafion-water system is studied by means of reversible oxidative quenching with H2O2 and I-2 at room temperature. The system is sustainable in alcohol and in salt solutions. A simple one-step method for encapsulating a SWNT/Nafion suspension in silica via the alcohol condensation process is described. Quenching of SWNT fluorescence in the silica composite by H2O2 and by I-2 either in water or in air with respect to their concentration and composite dimension is discussed.
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页码：10561 / 10568
页数：8
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