4-quinolin-8-yloxy Linked Triphenylamine Based Polyimides: Blue Light Emissive and Potential Hole-Transport Materials

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A series of fluorescent donor- acceptor (D-A) alternating copolyimides (P1, P2, P3 and P4) with 4-quinolin-8-yloxy linked triphenylamine main polymer chain have been synthesized by conventional polycondensation. All the synthesized co-polyimides were characterized by elemental, gel permeation chromatography and FTIR spectral analysis. These newly prepared PIs possess HOMO energy levels in range of - 4.74 to - 4.78 eV and have medium optical band gaps. The photoluminescence spectral analysis revealed blue to violet emission with appreciable efficiency with lower onset oxidation potentials suitable for the facile hole injection materials. All the photophysical and electrochemical properties were also explored in context of effect of the pendant 4- quinolin-8-yloxy, indicating suitable combination of donor (TPA) on one hand and imide and pendant as acceptor on both ends.
Publisher
SPRINGER/PLENUM PUBLISHERS
Issue Date
2018-01
Language
English
Article Type
Article
Keywords

SOLUBLE AROMATIC POLYIMIDES; PHOSPHINE OXIDE; POLYAMIDES; POLYMERS; POLY(AMINE-IMIDE)S; POLY(TRIPHENYLAMINE)S; PHOTOLUMINESCENCE; ELECTROCHROMISM; ACCEPTOR; DIAMINE

Citation

JOURNAL OF FLUORESCENCE, v.28, no.1, pp.311 - 321

ISSN
1053-0509
DOI
10.1007/s10895-017-2193-0
URI
http://hdl.handle.net/10203/240395
Appears in Collection
CBE-Journal Papers(저널논문)
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