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- W2375992008 abstract "N,N'-diphenylbenzidine( 1) was obtained by palladium-catalyzed C- N cross-coupling reaction of 4,4'-dibromobiphenyl and aniline. Three novel poly( triphenylamine biphenyl) s,poly( triphenylamine biphenyl) benzene( 3a,88%),poly( triphenylamine biphenyl) sulfone( 3b,94%) and poly( triphenylamine biphenyl) ketone( 3c,91%) were synthesized by palladium-catalyzed C- N cross-coupling reaction of 1 with p-dibromobenzene( 2a),4,4'-dibromodiphenylsulfone( 2b) and 4, 4'-dibromodiphenylketone( 2c),respectively. The structures were characterized by1H NMR,IR and XRD. Their properties were investigated by UV-Vis,TG,DSC,fluorescence spectra and electrochemical cyclic voltammetry. The properties of 3a ~ 3c were as follows: 5% weight loss temperature were 479 ℃,482 ℃ and 355 ℃,Tg were 199 ℃,248 ℃ and 215 ℃,λmaxwere 354 nm,359 nm and 385 nm,λemwere 489 nm,472 nm and 518 nm,EHOMOwere- 3. 96 eV,- 3. 89 eV,and- 3. 94 eV, ELUMOwere- 1. 16 eV,- 1. 17 eV and- 1. 39 eV,respectively." @default.
- W2375992008 created "2016-06-24" @default.
- W2375992008 creator A5044947469 @default.
- W2375992008 date "2014-01-01" @default.
- W2375992008 modified "2023-09-23" @default.
- W2375992008 title "Synthesis and Properties Research of Novel Poly(triphenylamine biphenyl) s" @default.
- W2375992008 hasPublicationYear "2014" @default.
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