Application of N,N,N′,N′-tetrasubstituted 1,3-bis(4-aminophenyl)azulenes to hole-injecting materials for durable organic EL devices without color fade

被引:9
作者
Oda, M
Thanh, NC
Ikai, M
Kajioka, T
Fujikawa, H
Taga, Y
Ogawa, S
Shimada, H
Kuroda, S
机构
[1] Shinshu Univ, Fac Sci, Dept Chem, Matsumoto, Nagano 3908621, Japan
[2] Toyama Univ, Fac Engn, Dept Appl Chem, Toyama 9308555, Japan
[3] Toyota Cent R&D Labs Inc, Nagakute, Aichi 4801192, Japan
关键词
D O I
10.1246/cl.2005.754
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The title 1,3-bis(aminophenyl)azulenes were synthesized from 1,3-dihaloazulene in two steps involving the Suzuki cross-coupling with 4-bromophenylboronic acid and subsequent Pd-catalyzed amination. Their HOMO energy levels were estimated to be comparable to that of the widely used hole-injecting (HI) material, copper phthalocyanine. The application of these diamines to HL materials in organic electroluminescent (EL) devices was also studied as non-cyanine and non-polyamine substance.
引用
收藏
页码:754 / 755
页数:2
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