J-aggregate formation behavior of a cationic cyanine dye on inorganic layered material

被引：19
|
作者：
Sato, Narumi [1 ]
Fujimura, Takuya [1 ,2 ]
Shimada, Tetsuya [1 ,3 ]
Tani, Tadaaki [4 ]
Takagi, Shinsuke [1 ,3 ]
机构：
[1] Tokyo Metropolitan Univ, Grad Course Urban Environm Sci, Dept Appl Chem, Hachioji, Tokyo 1920397, Japan
[2] Japan Soc Promot Sci DC1, Chiyoda Ku, Tokyo 1028471, Japan
[3] Ctr Artificial Photosynth, Hachioji, Tokyo 1920397, Japan
[4] Soc Photog & Imaging Japan, Kaisei Machi, Kanagawa 2580021, Japan
来源：
TETRAHEDRON LETTERS | 2015年 / 56卷 / 22期
关键词：
J-aggregate; Clay minerals; Cyanine; Dye/clay complex; Extended dipole model; ENERGY-TRANSFER; SUPRAMOLECULAR CONTROL; CLAY-MINERALS; ADSORPTION; MODEL; NANOSHEETS; SURFACE;
D O I：
10.1016/j.tetlet.2015.04.084
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Adsorption, aggregation, and photochemical behavior of a cationic cyanine dye (5,5',6,6'-tetrachloro-1,1',3,3'-tetraethylbenzimidazolylcarbo-cyanine chloride (JC-1)) on an inorganic layered material were examined. JC-1 formed J-aggregates on the clay surface even at a low loading level. The structure of the J-aggregate was determined through analysis using the extended dipole model proposed by Kuhn et al. Aggregation number and slip angle of the J-aggregate on the clay surface were calculated as more than 8 molecules and 20-22 degrees, respectively. The J-aggregate on the clay sheet exhibited high fluorescence quantum yield (0.4), thus, this complex will be promising to construct photochemical reaction systems such as artificial light harvesting systems. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2902 / 2905
页数：4
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