WAVELENGTH AND POLARIZATION DEPENDENCE OF SPECTRAL HOLE-BURNING EFFICIENCY IN HIGHLY ORIENTED J-AGGREGATES

被引：34
|
作者：
MISAWA, K [1 ]
MACHIDA, S [1 ]
HORIE, K [1 ]
KOBAYASHI, T [1 ]
机构：
[1] UNIV TOKYO,DEPT BIOCHEM & BIOTECHNOL,BUNKYO KU,TOKYO 113,JAPAN
来源：
CHEMICAL PHYSICS LETTERS | 1995年 / 240卷 / 1-3期
关键词：
D O I：
10.1016/0009-2614(95)00518-9
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：
From the concentration dependence of the dichroic spectrum of highly oriented J-aggregates as well as the strong dependences of the spectral hole-burning efficiency on the burning wavelength and polarization, a system of cyanine dye aggregates was concluded to have a hierarchic structure of mesoscopic and macroscopic aggregates. The observed low efficiency, by a factor of 10(-3), on the higher-energy side of the J-band is explained in terms of the inefficient conformational change in a macroscopic aggregate, which has a large enough size to be aligned fluid-dynamically by the centrifugal force in the process of the spin-coating method.
引用
收藏
页码：210 / 215
页数：6
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