Exciton dynamics probed by single molecule spectroscopy

被引：21

作者：

Bach, H ^{[1
]}

Renn, A ^{[1
]}

Zumofen, G ^{[1
]}

Wild, UP ^{[1
]}

机构：

[1] ETH Zentrum, Swiss Fed Inst Technol, Chem Phys Lab, CH-8092 Zurich, Switzerland

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 10期

关键词：

D O I：

10.1103/PhysRevLett.82.2195

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Triplet exciton dynamics in isotopically mixed naphthalene crystals are investigated on a molecular scale using single terrylene molecules as local probes. Upon triplet excitation of the matrix, the resonance frequencies of the probe molecules show reversible frequency excursions on the time scale of seconds. The analysis based on localized and diffusing triplet excitations indicates that the frequency fluctuations are induced by excitations migrating in an energy funnel of trap states in the vicinity of the probe.

引用

页码：2195 / 2198

页数：4

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