Emission Color Tuning and Deep Blue Dopant Materials Based on 1,6-Bis(N-phenyl-p-(R)-phenylamino)pyrene

被引：68

作者：

Wee, Kyung-Ryang ^{[1
]}

Ahn, Hyun-Chul ^{[1
]}

Son, Ho-Jin ^{[1
]}

Han, Won-Sik ^{[1
]}

Kim, Ju-Eun ^{[1
]}

Cho, Dae Won ^{[1
]}

Kang, Sang Ook ^{[1
]}

机构：

[1] Korea Univ, Dept Adv Mat Chem, Sejong 339700, Chungnam, South Korea

来源：

JOURNAL OF ORGANIC CHEMISTRY | 2009年 / 74卷 / 21期

关键词：

LIGHT-EMITTING-DIODES; ORTHO-LINKED QUINOXALINE/DIPHENYLFLUORENE; HIGHLY EFFICIENT; ELECTROPHOSPHORESCENT DEVICES; ELECTROLUMINESCENT DEVICES; PYRENE DERIVATIVES; PI-STACKING; COMPLEXES; ABSORPTION; INJECTION;

D O I：

10.1021/jo901783a

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Panchromatic 1,6-bis(N-phenyl-p-(R)-phenylamino)pyrenes, 2R, were obtained from Buchwald-Hartwig coupling reactions between N-phenyl-p-(R)-phenylamines and 1,6-dibromopyrene. The photophysical properties of 2R corresponded well to the electron-withdrawing and -donating nature of the diarylamine substituents, exhibiting a full color visible range between 454 and 620 nm. In particular, a deep blue 2CN showed a high radiative rate constant of 2.85 x 10(8) s(-1) with high emission quantum efficiency of 79%. Further applications of 2CN its it blue dopant were attempted using multilayer organic light-emitting devices. A maximum efficiency of 3.98 cd/A with CIE coordinates of x = 0.14, y = 0.10 were obtained.

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页码：8472 / 8475

页数：4

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