New star-shaped luminescent triarylamines: Synthesis, thermal, photophysical, and electroluminescent characteristics

被引:99
作者
Thomas, KRJ
Lin, JT [1 ]
Tao, YT
Ko, CW
机构
[1] Acad Sinica, Inst Chem, Taipei 115, Taiwan
[2] Natl Cent Univ, Dept Chem, Chungli 320, Taiwan
关键词
D O I
10.1021/cm010976q
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A series of 3,6-disubstituted carbazole and 1,3,5-trisubstituted benzene derivatives incorporating thienyl aromatic (phenyl, fluorenyl, and carbazolyl) conjugation and end-capped diphenylamine were synthesized by iterative C-N and C-C coupling procedures. The carbazole derivatives emit blue light and the star-shaped benzene derivatives emit either blue or bluish green color depending on the conjugation segment. In general, they possess high glass transition temperatures (>120 degreesC) and decomposition temperatures (> 520 degreesC). Double-layer organic light-emitting devices were successfully fabricated using these novel molecules as hole-transporting and emitting materials. Devices of the configuration ITO/HTM/TPBI/Mg:Ag display blue to green emission from the HTM layer while in the devices of the configuration ITO/HTM/Alq(3)/Mg:Ag, a typical green emission from the Alq(3) layer was observed.
引用
收藏
页码:1354 / 1361
页数:8
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