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Switching of a Single Boryl Center in π‐Conjugated Photochromic Polyboryl Compounds and Its Impact on Fluorescence Quenching
Author(s) -
Baik Chul,
Murphy Stephen K.,
Wang Suning
Publication year - 2010
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201003144
Subject(s) - photochromism , photoisomerization , fluorescence , conjugated system , quenching (fluorescence) , molecule , photochemistry , chemistry , isomerization , optics , organic chemistry , physics , catalysis , polymer
All for one and one for all : Molecules with multiple conjugated photochromic boryl units undergo photoisomerization on a single boryl unit only. This single boryl switching causes fluorescence quenching of the entire molecule, which is greatly amplified with increasing numbers of switchable boryl units in the molecule.