Excited-state absorption dynamics in polymethine dyes detected by polarization-resolved pump-probe measurements

被引：41
|
作者：
Lepkowicz, RS [1 ]
Przhonska, OV
Hales, JM
Hagan, DJ
Van Stryland, EW
Bondar, MV
Slominsky, YL
Kachkovski, AD
机构：
[1] Univ Cent Florida, CREOL, Sch Opt, Orlando, FL 32816 USA
[2] Natl Acad Sci Ukraine, Inst Phys, UA-03028 Kiev 28, Ukraine
[3] Natl Acad Sci Ukraine, Inst Organ Chem, UA-02094 Kiev 94, Ukraine
来源：
CHEMICAL PHYSICS | 2003年 / 286卷 / 2-3期
关键词：
excited-state absorption; polymethine dye; rotational motion; orientation of transition dipole moments; anisotropy;
D O I：
10.1016/S0301-0104(02)00937-0
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：
Polarization-resolved excitation-probe measurements are performed for a new series of polymethine dyes in several solvents and a polyurethane acrylate elastopolymer. We describe our experimental studies and give an analysis of the nature of the rotational motions of excited molecules and orientation of the excited-state transitions relative to transitions from the ground state. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：277 / 291
页数：15
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