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| 題名: | Organic electroluminescent bis(diarylamino) dibenzofuran derivatives |
| 作者: | Ku, Yu-Chan
Yen, Yung-Sheng
Huang, Tai-Hsiang
Chen, Chih-Hsin
Tin, Jiann T.
Tsai, Chii-Tang |
| 貢獻者: | 化學系 |
| 關鍵詞: | dibenzofuran
diarylamine
organic electroluminescent derivatives |
| 日期: | 2006 |
| 上傳時間: | 2009-11-16 11:25:18 (UTC+8) |
| 摘要: | A new series of 2,8-disubstituted dibenzofuran derivatives (dbf) have been synthesized via palladium-catalyzed coupling reactions of 2,8-diiododibenzofuran and diarylamines. These compounds are amorphous with a glass transition temperature ranging from 65 to 193 degrees C. The emission colors of the materials vary from blue to bluish green. Two types of double-layer organic light-emitting diodes (OLEDs) were fabricated using these compounds as hole-transporting/emitting layers and TPBI or Alq(3) as an electron-transporting layer: (I) ITO/dbf/TPBI/Mg:Ag and (II) ITO/dbf/Alq(3)/Mg:Ag (TPBI = 1,3,5-tris(N-phenylbenzimidazol-2-yl)-benzene; Alq(3) = tris(8-hydroxyquinoline)aluminum). In general, type I and type II devices have excitons confined in the hole-transporting and the electron-transporting layers, respectively. Some blue-emitting devices of type I have promising performance. |
| 關聯: | JOURNAL OF THE CHINESE CHEMICAL SOCIETY Volume: 53 Issue: 6 Pages: 1317-1324 |
| 顯示於類別: | [化學系所] 期刊論文
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