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Synthesis and characterization of new aromatic polyimides containing well‐defined conjugation units
Author(s) -
Shin T. J.,
Park H. K.,
Lee S. W.,
Lee B.,
Oh W.,
Kim J.S.,
Baek S.,
Hwang Y.T.,
Kim H.C.,
Ree M.
Publication year - 2003
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.10104
Subject(s) - benzidine , materials science , thermal stability , polymer , characterization (materials science) , polymer chemistry , refractive index , polyimide , luminescence , quantum yield , dielectric , yield (engineering) , chemical engineering , organic chemistry , composite material , optoelectronics , nanotechnology , optics , chemistry , fluorescence , physics , layer (electronics) , engineering
A series of aromatic polyimides composed of well‐defined conjugation units were synthesized form 5,5′‐bis(4‐aminophenyl)‐2,2′‐bifuryl (PFDA) and 2,2′‐bis(furyl) benzidine (FurylBZ) with various dianhydrides. The synthesized polyimides emit blue to green light with a quantum yield of 7.3–14.9%, depending on the polymer backbone. In particular, PFDA‐based polymers exhibit extremely narrow photo‐luminescence. The structure, thermal stability, refractive index and dielectric properties of the polymer films were also determined.