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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/62625| 標題: | 雙偶極咔唑化合物之合成、性質探討及其在藍色磷光有機發光二極體上的應用 Synthesis and Characterization of Carbazole Compounds and Its Application in Blue Phosphorescent Organic Light Emitting Diodes |
| 作者: | Yu-Hsuan Hsieh 謝雨軒 |
| 指導教授: | 梁文傑 |
| 關鍵字: | 有機發光二極體（OLED）,主發光體材料,雙偶極,咔,唑,三氮唑,噁二唑, OLED,host,oxadiazole,triazole,carbazole,bipolar, |
| 出版年 : | 2013 |
| 學位: | 碩士 |
| 摘要: | A series of bipolar carbazole compounds has been synthesized as the new host materials for blue phosphorescent organic light emitting diodes (OLED). By the strategy of twisted conformation with single-benzene-connected molecular design, the π conjugation is interrupted which successfully maintains the large energy gap. The photophysics and electrochemical properties were investigated, and these compounds are characterized as high triplet energy host materials in PhOLED.
The device with the host of compound 5 and the guest of FIpic exhibited the turn on voltage at 40 mA/cm2 of 10.08 V, luminance of 10211 cd/m2, max. current efficiency of 47.1 cd/A at 4 V, power efficiency of 41.2 lm/W at 3.5 V and the external quantum efficiency of 20.18 %. |
| URI: | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/62625 |
| 全文授權: | 有償授權 |
| 顯示於系所單位： | 化學系 |
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| ntu-102-1.pdf 未授權公開取用 | 8.83 MB | Adobe PDF |
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