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Correlation of Intramolecular Excimer Emission with Lamellar Layer Distance in Liquid‐Crystalline Polymers: Verification by the Film‐Swelling Method
Author(s) -
Lee WangEun,
Kim JinWoo,
Oh ChangJin,
Sakaguchi Toshikazu,
Fujiki Michiya,
Kwak Giseop
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.200906621
Subject(s) - excimer , materials science , lamellar structure , intramolecular force , swelling , polymer , lamella (surface anatomy) , layer (electronics) , diphenylacetylene , alkyl , photochemistry , polymer chemistry , crystallography , composite material , chemical engineering , fluorescence , chemistry , optics , organic chemistry , physics , catalysis , engineering
Swollen up : Poly(diphenylacetylene) derivatives with different alkyl groups show intramolecular excimer emission that arises from the phenyl–phenyl stack structure in the side chains. The excimer emission is intrinsically correlated with lamellar layer distance. Film‐swelling experiments verify that the excimer emission can be modulated by changing the lamella layer distance (see picture).