Synthesis, characterization, and OLED application of oligo(p-phenylene ethynylene)s with polyhedral oligomeric silsesquioxanes (POSS) as pendant groups

被引：57

作者：

Ervithayasuporn, Vuthichai ^{[1
,2
]}

Abe, Junichi ^{[1
]}

Wang, Xin ^{[1
]}

Matsushima, Toshinori ^{[1
]}

Murata, Hideyuki ^{[1
]}

Kawakami, Yusuke ^{[1
]}

机构：

[1] JAIST, Sch Mat Sci, Nomi, Ishikawa 9231292, Japan

[2] Mahidol Univ, Fac Sci, Dept Chem, Bangkok 10400, Thailand

来源：

TETRAHEDRON | 2010年 / 66卷 / 48期

关键词：

p-Phenylene ethynylene; Oligomer; Silsesquioxane; Photoluminescence; Light-emitting diode; EXCITED-STATE; OCTAVINYLSILSESQUIOXANE; POLYMERS; CORES; DOT;

D O I：

10.1016/j.tet.2010.10.009

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Two new classes of mono- and oligo(p-phenylene ethynylene)s grafted with polyhedral oligomeric silsesquioxanes (POSS) were synthesized via 'click' chemistry and palladium-catalyzed Sonogashira cross-coupling. These materials with cubic silsesquioxanes are very robust with excellent thermal stability in air (T-5%loss>330 degrees C) and exhibited T-g>80 degrees C. All the compounds showed high photoluminescence with a range of blue emission and quantum yield up to 80% in the solution. Extended pi conjugation molecules of oligo-pPEs POSS maintain relatively high PL quantum efficiencies in the solid state, compared to mono-pPEs POSS. A preliminary report is made of some of the materials as multilayer OLED components with active dopants PVK and PBD. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：9348 / 9355

页数：8

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