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研究生:楊翔麟
論文名稱:有機電激發光材料:2,7苯胺咔唑衍生物
指導教授:葉名倉林建村林建村引用關係
指導教授(外文):Ming-Chang P. YehJiann T. Lin
學位類別:碩士
校院名稱:國立臺灣師範大學
系所名稱:化學研究所
學門:自然科學學門
學類:化學學類
論文種類:學術論文
論文出版年:2004
畢業學年度:92
語文別:中文
中文關鍵詞:有機發光二極體發光元件真空蒸鍍量子產率最大亮度電化學
外文關鍵詞:oledcarbazole
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本研究利用合環及鈀(0)的催化,碳氮鍵偶合,在2,7位置導入苯胺,形成穩定的咔唑(carbazole) 衍生物。
這一系列的carbazole衍生物(CBH22, CBE22, CBE33, CBH44, CBE44, CBE441) ,具有優良的熱穩定性質,熱裂解溫度(Td)在334 oC,玻璃轉換溫度(Tg) 在111-196 oC的範圍,而發光範圍由藍光到綠光。
利用真空蒸鍍的方法,以上化合物為電洞傳輸與發光材料,Alq3或TPBI為電子傳輸材料,可製成系列電激發光元件。所有TPBI元件,光源係發自以上化合物,而Alq3元件中,光源可發自化合物(CBE33, CBH44, CBE44, CBE441)或Alq3 (CBH22, CBE22)。在Alq3發光的元件,化合物僅扮演電洞傳輸之角色。如在化合物與Alq3之間加入電洞阻擋材料BCP,則CBH22, CBE22構成的元件發光層也將由Alq3轉移至化合物。
與2,7雙苯胺取代的咔唑(carbazole)衍生物比較,本系列化合物的元件有較佳的效率。

New carbazole derivatives containing peripheral diarylamines at the 2- and 7-positions of the carbazole moiety have been synthesized via ring closure followed by palladium(0)-catalyzed C-N coupling reaction.
These new carbazole compounds (CBH22, CBE22, CBE33, CBH44, CBE44, CBE441) are amorphous with high glass transition temperatures (Tg , 111-196 oC) and high decomposition temperatures (Td > 334 oC). They are fluorescent and the colors of emission range from blue to green.
Two types of light-emitting diodes were constructed (I) ITO / Cpd / Alq3 / Mg : Ag and (II) ITO / Cpd / TPBI / Mg : Ag , where Alq3 and TPBI are tris(8-hydroxyquinoline) aluminum and 1,3,5-tris(N- phenylbenzimidazol-2-yl)benzene, respectively. Light emission occur in the compounds when TPBI is used as the electron-transporting layer. Light can emit from the compounds (CBE33, CBH44, CBE44, CBE441) or from Alq3 when is the electron-transporting layer. In the latter devices (for compounds CBH22, CBE22), the compounds function as the hole-transporting layer. If a layer of hole-blocking BCP is inserted between the compounds and Alq3, light emission can be confined in CBH22, CBE22.
The performance of the devices of these new compounds appears to be better than that of the devices fabricated from 3,6-diarylamine substituted carbazolyl analogues.

目錄 頁數
中文摘要
英文摘要
第一章:緒論
 1.1:有機電激發光二極體發現-----------------------------------------1
 1.2:有機電激發光原理--------------------------------------------------2
 1.3:有機發光二極體的優勢--------------------------------------------3
 1.4:有機發光二極體的發展現況--------------------------------------9
 1.5:元件的基本構造----------------------------------------------------12
 1.6:研究動機 ------------------------------------------------------------18
第二章:實驗部份
 2.1:實驗儀器--------------------------------------------------------------22
 2.2:HOMO與LUMO的計算------------------------------------------25
 2.3:量子產率的測量:--------------------------------------------------26
 2.4:外部量子效率的計算:--------------------------------------------28
 2.5:實驗藥品及溶劑:--------------------------------------------------29
 2.6:實驗步驟: ------------------------------------------------------------30
第三章:結果與討論
 3.1:化合物結構及代號- ------------------------------------------------43
 3.2:反應機構之探討-----------------------------------------------------44
 3.3:熱性質之探討---------------------------------------------------------51
 3.4:電化學之探討---------------------------------------------------------57
 3.5:紫外光-可見光、螢光光譜及量子產率之探討-----------------60
 3.6:元件設計--------------------------------------------------------------67
第四章:結論與未來展望-----------------------------------------------------80
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