How Graphene Oxide Quenches Fluorescence of Rhodamine 6G

被引：21

作者：

Fan, Kai-li ^{[1
]}

Guo, Zhen-kun ^{[1
]}

Geng, Zhi-gang ^{[2
]}

Ge, Jing ^{[1
]}

Jiang, Shen-long ^{[2
]}

Hu, Jia-hua ^{[1
]}

Zhang, Qun ^{[1
,2
]}

机构：

[1] Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Peoples R China

[2] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China

来源：

CHINESE JOURNAL OF CHEMICAL PHYSICS | 2013年 / 26卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Graphene oxide; Rhodamine; 6G; Fluorescence quenching; Interaction; Mechanism; ELECTRON-TRANSFER; GRAPHITE OXIDE; ORGANIC-DYE; REDUCTION; DISTANCE;

D O I：

10.1063/1674-0068/26/03/252-258

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

We investigate the fluorescence quenching of Rhodamine 6G (R6G), a well known laser dye with a high fluorescence quantum yield, by as-synthesized graphene oxide (GO) in aqueous solution, which is found to be rather efficient. By means of steady-state and time-resolved fluorescence spectroscopy combined with detailed analysis about the linear absorption variation for this R6G-GO system, the pertinent quenching mechanism has been elucidated to be a combination of dynamic and static quenching. Possible ground-state complexes between R6G and GO during the static quenching have also been suggested. Furthermore, the direction of photoinduced electron transfer between R6G and GO has been discussed.

引用

页码：252 / 258

页数：7

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