多色组合物的单分子光谱

T. Basché, T. Christ, F. Kulzer, A. Herrmann, E. Reuther, K. Mullen
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引用次数: 0

摘要

我们用单分子光谱学研究了由可变数量的发色团组成的多发色团组合。特定的光谱特征允许在单分子水平上区分代表强和弱电子偶极子-偶极子耦合的分子二聚体。利用低温荧光激发光谱技术,可以在频域中分离出含有四个发色团的单个树状聚合物中单个发色团的尖锐的纯电子零声子线。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Single molecule spectroscopy of multichromophoric assemblies
We have investigated multichromophoric assemblies composed of a variable number of chromophores by single molecule spectroscopy. Specific spectral signatures have allowed to distinguish at the single molecule level between molecular dimers representing strong and weak electronic dipole-dipole coupling. By using fluorescence excitation spectroscopy at low temperature, the sharp purely electronic zero-phonon lines of single chromophores within a single dendrimer containing four chromophores could be isolated in the frequency domain.
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