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Charge Separation in Excited States of Decoupled Systems—TICT Compounds and Implications Regarding the Development of New Laser Dyes and the Primary Process of Vision and Photosynthesis
Author(s) -
Rettig Wolfgang
Publication year - 1986
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198609711
Subject(s) - chromophore , excited state , fluorescence , photoinduced charge separation , photochemistry , charge (physics) , chemistry , primary (astronomy) , photosynthesis , fluorescent protein , nanotechnology , chemical physics , materials science , artificial photosynthesis , organic chemistry , photocatalysis , physics , atomic physics , catalysis , optics , green fluorescent protein , biochemistry , quantum mechanics , astronomy , gene
The understanding of the dual fluorescence of certain aromatic systems has greatly advanced in recent years. The accompanying large charge separation has been shown to be linked to a twisted (or small overlap) arrangement of the chromophores. Recent theoretical models are able to describe the excited‐state twisting of both single bonds (TICT compounds) and double bonds (olefins) in a unified picture. These models can help to elucidate the photophysical behavior of many organic, inorganic, and biologically relevant compounds, and their application to laser dyes and fluorescent probes provides a route to new “tailor‐made” fluorescent materials. Applied to the primary processes of vision and photosynthesis, these models can lead to a deeper understanding of basic photobiological processes.
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