Highly Soluble Green-Emitting Ir(III) Complexes with 9-(6-Phenyl-pyridin-3-ylmethyl)-9H-Carbazole Ligands and Their Application to Polymer Light-Emitting Diodes

被引：15

作者：

Cho, Min Ju ^{[1
]}

Kim, Jae Il ^{[1
]}

Hong, Chang Seop ^{[1
]}

Kim, Young Min ^{[2
]}

Park, Young Wook ^{[2
]}

Ju, Byeong-Kwon ^{[2
]}

Choi, Dong Hoon ^{[1
]}

机构：

[1] Korea Univ, Adv Mat Chem Res Ctr, Dept Chem, 5 Anam Dong, Seoul 136701, South Korea

[2] Korea Univ, Coll Engn, Display & Nanosyst Lab, Seoul 136701, South Korea

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2008年 / 46卷 / 22期

关键词：

absorption; crystal structures; electrophosphorescence; host-guest systems; iridium(III) complex; luminescence; miscibility; photoluminescence; solubility; triplet energy transfer;

D O I：

10.1002/pola.23047

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Highly organic soluble Ir(III) complexes with 9-(6-phenyl-pyridin-3-ylmethyl)-9H-carbazole were simply synthesized, and the solubility of the new complex was significantly improved when compared with the conventional green-emitting Ir(PPY)(3). Since a carbazole group is tethered through a nonconjugated methylene spacer, the photophysical properties of new complexes are almost identical with those of conventional Ir(ppy)(3). The pure complexes were utilized to prepare electrophosphorescent polymer light-emitting diodes (PLEDs). The device performances were observed to be relatively better or comparable with those of Ir(ppy)(3) based poly(N-vinylcarbazole) systems. The integration of rigid hole-transporting carbazole and phosphorescent complex provides a new route to design highly efficient solution-processable complex for electrophosphorescent PLED applications. (C) 2008 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 46: 7419-7428, 2008

引用

页码：7419 / 7428

页数：10

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