Energy Transfer and Trapping in Rigid Solutions of Aromatic Polymers
作者:
Walter Klöpffer,
期刊:
Spectroscopy Letters
(Taylor Available online 1978)
卷期:
Volume 11,
issue 11
页码: 863-876
ISSN:0038-7010
年代: 1978
DOI:10.1080/00387017808065122
出版商: Taylor & Francis Group
关键词: Excitons;Fluorescence;Phosphorescence;Polymers
数据来源: Taylor
摘要:
Energy transfer by excitons is now well established in films and solutions of aromatic polymers. Excitons in disordered systems can be considered as electronically excited states, which are transferred between the light absorbing groups in a random hopping process (the same is true in molecular crystals if, because of thermal vibrations, the coherence length of the exciton waves approaches the lattice constant and consequently the band model of the excitons breaks down).
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