臺灣博碩士論文加值系統

我們與法國史特拉斯堡大學M. Mauro教授合作，開發出以噻唑作為電子受體核心的螢光材料，於兩側連接苯環形成共軛型態，分別以咔唑、三級丁基咔唑、二苯胺作為電子供體基團型成D-A-D分子結構，化合物依序命名為TN52、TN87、TN53。論文第一部分將分別優化三種材料所製作之元件，並以藍光材料TN87和橘紅光材料Ir(MDQ)2acac製作白光元件，此元件結構使用雙發光層來保持色穩定度，其元件在亮度750~15000 cd/m2下，CIE色座標皆保持在（0.41, 0.35），非常適合作為照明燈源。
論文第二部分是應用藍光材料TN87製作串聯式元件，我們參考D. Ma教授團隊，採用多組有機異質節對（Organic Heterojunctions, OHJs）作為電荷產生層（Charge Generation Layer, CGL）基礎架構，結果顯示，以CGL中採用四組的OHJs具最佳效率表現，在亮度為100 cd/m2下，一般傳統元件與串聯式元件最高效率分別為4.4 %（8.9 cd/A、6.2 lm/W）、9.2 %（19.6 cd/A、5.9 lm/W），顯示了此結構應用於串聯式元件上有優異的表現。

We collaborated with Prof. M. Mauro to develop a series of donor-acceptor-donor（D-A-D）thiazole-based fluorescent materials. Three molecules use thiazole as an electron acceptor to combine with different donor moieties, including carbazole, tert-butylcarbazole, or diphenylamine. In the first part of this thesis, three compounds were used to fabricate organic light-emitting diodes (OLEDs) to investigate their electroluminescence (EL) properties. Furthermore, the blue-emitting TN87 with the highest quantum yield was used in combination with the orange-emitting Ir(MDQ)2acac to construct white OLEDs. The device architecture with double emitting layers gave the efficient WOLEDs a stabilized white-light emission with CIE1931 coordinates of (0.41, 0.35) in a wide luminance range from 750 cd/m2 to 15000 cd/m2.
In the second part of the thesis, we further develop a tandem device based on the blue-emitting TN87-OLEDs. Herein, we proposed that multiple organic heterojunction (OHJ) pairs were used in the charge generation layer (CGL) to fabricate the tandem devices, aiming to increase the current density of the devices. As a result, the respective peak efficiencies of the conventional device and the tandem device recorded at 100 cd/m2 achieved 4.4 % (8.9 cd/A, 6.2 lm/W) and 9.2 % (19.6 cd/A, 5.9 lm/W), demonstrating the effectiveness of the designed CGLs.

摘要 I
Abstract II
致謝 IV
目錄 V
圖目錄 VII
表目錄 XI
第一章 緒論 1
第二章 文獻回顧 2
2-1 OLED 基本結構與原理 2
2-1-1 螢光與磷光 OLED 發光原理 3
2-1-2 主客體能量轉換機制 4
2-2 含噻唑（Thiazole）螢光客體材料 5
2-3 電子供體基團 8
2-3-1 咔唑（Carbazole）、三級丁基咔唑（tert-butylCarbazole） 8
2-3-2 二苯胺（Diphenylamine） 9
2-4 有機異質節對與串聯式元件 10
2-5 研究動機與目的 17
第三章 製程介紹 18
3-1 實驗流程 18
3-1-1 材料純化 18
3-1-2 基板清洗 18
3-1-3 腔體整理 19
3-1-4 元件蒸鍍 19
3-1-5 元件量測 20
3-1-6 數據分析 20
3-2 實驗所使用之商用材料 21
第四章 以含噻唑螢光客體材料製作有機發光元件 24
4-1 含噻唑螢光客體材料TN87、TN52、TN53分子材料與材料特性 24
4-2 以TN87為客體製作摻雜藍光及白光元件 31
4-2-1 階梯式注入層及電子傳輸層材料測試 31
4-2-2 P型摻雜電洞注入層及主體材料測試 38
4-2-3 白光元件 44
4-3 以TN52為客體製作摻雜藍光元件 50
4-3-1 P型摻雜電洞注入層及電子傳輸層材料測試 50
4-4 以TN53為客體製作摻雜綠光元件 56
4-4-1 階梯式注入層測試 56
第五章 以TN87製作串聯式有機發光元件 62
5-1 CGL結構測試 62
5-2 以多組有機異質接面電荷產生層製作TN87串聯式元件 67
第六章 實驗結果 75
6-1 含噻唑藍、綠色螢光材料製作有機發光元件及串聯式元件比較 75
6-2 藍光串聯式有機發光元件比較 83
第七章 結論與未來展望 85
參考文獻 89

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