Preparation and electroluminescent characteristics of a series of cyclometalated Ir(III) complexes based on phenylpyridines with a diphenylamino group

被引:33
作者
Nishida, J
Echizen, H
Iwata, T
Yamashita, Y [1 ]
机构
[1] Tokyo Inst Technol, Interdisciplinary Grad Sch Engn Sci, Dept Elect Chem, Midori Ku, Yokohama, Kanagawa 2268502, Japan
[2] Takasago Int Corp, Cent Res Lab, Hiratsuka, Kanagawa 2540073, Japan
关键词
D O I
10.1246/cl.2005.1378
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A series of cyclometalated iridium complexes with a strong electron-donating and bulky diphenylamino group was prepared and the phosphorescence wavelengths were found to be greatly dependent on the substituent positions: some of them afforded high performance electroluminescence (EL) devices.
引用
收藏
页码:1378 / 1379
页数:2
相关论文
共 19 条
[1]   High-efficiency red electrophosphorescence devices [J].
Adachi, C ;
Baldo, MA ;
Forrest, SR ;
Lamansky, S ;
Thompson, ME ;
Kwong, RC .
APPLIED PHYSICS LETTERS, 2001, 78 (11) :1622-1624
[2]   ORGANIC ELECTROLUMINESCENT DEVICE HAVING A HOLE CONDUCTOR AS AN EMITTING LAYER [J].
ADACHI, C ;
TSUTSUI, T ;
SAITO, S .
APPLIED PHYSICS LETTERS, 1989, 55 (15) :1489-1491
[3]   High-efficiency organic electrophosphorescent devices with tris(2-phenylpyridine)iridium doped into electron-transporting materials [J].
Adachi, C ;
Baldo, MA ;
Forrest, SR ;
Thompson, ME .
APPLIED PHYSICS LETTERS, 2000, 77 (06) :904-906
[4]   High-efficiency fluorescent organic light-emitting devices using a phosphorescent sensitizer [J].
Baldo, MA ;
Thompson, ME ;
Forrest, SR .
NATURE, 2000, 403 (6771) :750-753
[5]   Highly efficient phosphorescent emission from organic electroluminescent devices [J].
Baldo, MA ;
O'Brien, DF ;
You, Y ;
Shoustikov, A ;
Sibley, S ;
Thompson, ME ;
Forrest, SR .
NATURE, 1998, 395 (6698) :151-154
[6]   Tuning iridium(III) phenylpyridine complexes in the "almost blue" region [J].
Coppo, P ;
Plummer, EA ;
De Cola, L .
CHEMICAL COMMUNICATIONS, 2004, (15) :1774-1775
[7]   The synthesis and properties of solution processable red-emitting phosphorescent dendrimers [J].
Frampton, MJ ;
Namdas, EB ;
Lo, SC ;
Burn, PL ;
Samuel, IDW .
JOURNAL OF MATERIALS CHEMISTRY, 2004, 14 (19) :2881-2888
[8]   New, efficient electroluminescent materials based on organometallic Ir complexes [J].
Grushin, VV ;
Herron, N ;
LeCloux, DD ;
Marshall, WJ ;
Petrov, VA ;
Wang, Y .
CHEMICAL COMMUNICATIONS, 2001, (16) :1494-1495
[9]   1,8-naphthalimides in phosphorescent organic LEDs: The interplay between dopant, exciplex, and host emission [J].
Kolosov, D ;
Adamovich, V ;
Djurovich, P ;
Thompson, ME ;
Adachi, C .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2002, 124 (33) :9945-9954
[10]   Highly phosphorescent bis-cyclometalated iridium complexes: Synthesis, photophysical characterization, and use in organic light emitting diodes [J].
Lamansky, S ;
Djurovich, P ;
Murphy, D ;
Abdel-Razzaq, F ;
Lee, HE ;
Adachi, C ;
Burrows, PE ;
Forrest, SR ;
Thompson, ME .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2001, 123 (18) :4304-4312