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P‐124: Excimer Formation in Organic Emitter Films Associated with a Molecular Orientation Promoted by Steric Hinderance
Author(s) -
Lee Jaehyun,
Kim Beomjin,
Kim Seungho,
Shin Hwangyu,
Lee Hayoon,
Jung Hyocheol,
Kim Joonghan,
Yokoyama Daisuke,
Park Jongwook
Publication year - 2015
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.10027
Subject(s) - excimer , chromophore , steric effects , common emitter , terphenyl , photochemistry , chemistry , orientation (vector space) , materials science , exciton , core (optical fiber) , crystallography , optoelectronics , stereochemistry , fluorescence , optics , physics , organic chemistry , condensed matter physics , geometry , mathematics , composite material
White emission with two sharp strong peaks — a molecular emission peak at 455nm an excimer emission peak at 591nm — was obtained by introducing a terphenyl group into a highly twisted core chromophore, which promoted a molecular orientation in the film state suitable for excimer formation.