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LOCAL ENERGETIC DISORDER IN MOLECULAR AGGREGATES PROBED BY THE ONE-EXCITON TO 2-EXCITON TRANSITION

被引：100
作者：
DURRANT, JR
KNOESTER, J
WIERSMA, DA
机构：
[1] Materials Science, University of Groningen, 9747 AG Groningen
来源：
CHEMICAL PHYSICS LETTERS | 1994年 / 222卷 / 05期
关键词：
D O I：
10.1016/0009-2614(94)00379-3
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：
We demonstrate a novel approach to probing the magnitude and degree of spatial correlation of local (molecular or atomic) energetic disorder in delocalized exciton systems. The approach is based on measuring the correlation between the ground state to one-exciton and the one-exciton to two-exciton transition frequencies using two-color pump-probe experiments. We apply this technique to aggregates of pseudo-isocyanine and find surprisingly strong intermolecular correlations in the disorder.
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页码：450 / 456
页数：7
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