臺灣博碩士論文加值系統

第一部份、設計合成以triketone為主體之酸致變色材料
我們利用2-醯基—1,3環己雙酮(即triketone)對pH值具高度敏感之特性，合成出其衍生物，此類衍生物在中性與鹼性環境中具有不同之結構，中性環境下呈現橘紅色，在酸性環境下則呈現透明無色，在鹼性環境下呈現黃色。除此之外，我們意外發現此衍生物也有溶劑致變色﹙solvatochromic﹚性質。
第二部分、合成4-羥基香豆素衍生物作為潛在之OLED之主發光體材料
香豆素(coumarin)衍生物因具有強螢光之特性而廣泛用於有機發光二極體（Organic Light-Emitting Diodes，OLED）的客發光體材料(Dopant Emitter Materials)，此部分探討我們合成出的4-羥基香豆素衍生物，作為潛在之OLED客發光體材料。

Part I. Rational design of a triketone-derived acidichromic and solvatochromic colorant
Two unique properties of triketone (2-acylcyclohexane-1,3-dione) derivatives, that is, sensitive to both pH and solvents, have been successfully applied in design and synthesis of a novel acidichromic and solvatofluorochromic colorant. Under neutral conditions, compound 3 is orange red due to the highly conjugated system, however, it turns to yellow when a base (NaOMe) is added and changes to colorless when exposed to gaseous hydrochloric acid. Furthermore, compound 3 also displays solvatochromic and solvatofluorochromic properties in solvents with different polarities.
Part II. Design and Synthesis of a potential coumarin derived organic emitting diode (OLED) material
The coumrarin-based heterocyclic compound A has been chemically synthesized in 6 steps with the overall yield of 23%. The key step involved 4,5 and 6. This compound displays good photoluminescence with a green-blue light which has the potential to server as an organic light emitting diode (OLED) dopent.

第一部分 設計合成以triketone為主體之有機致變色材料
壹 緒論
1.1.1 變色物(Chromism)……………………….…………..…………1
1.1.2 有機變色物發色原理………………………………………......2
1.2 酸致變色物(acidichromism)………………………………….4
1.3 溶劑致變色物(solvatochromism)………………………….…..9
1.3.1 Positive Sovatochromism……………………………….............9
1.3.2 Negative Sovatochromism………………………………….….10
貳 實驗設計………………………………………………………12
參 結果與討論……………………………………………………14
肆 結論……………………………………………………………31
伍 實驗部分
一 儀器設備及試藥來源…………………………………..……..32
二 化合物的合成……………………………………….……..…34.
陸 參考文獻………………………………………………………38
柒 光譜資料………………………………………………………40
第二部分 合成4-羥基香豆素衍生物作為潛在之OLED之主發光體材料
壹 緒論
1.1 前言……………………………………..…………………….64
1.2 有機發光二極體(OLEDs)之原理……..……..………………64
1.2.1 注入電接觸(Injection Contacts)…………..…………………67
1.2.2 電洞-電子的再結合及其多層化之EL結構(Electron-Hole Recombination and Multi-layer Structure)……...………... …69
1.2.3 元件的基本結構(Cell Configuration)……………..…..…….74
1.2.4 電洞傳輸材料(Hole Transport Materials)………………..….76
1.2.5 電子輸送材料(Electron Transport Materials)…………….….78
1.2.6 主發光體材料(Host Emitter Materials)……………………...79
1.2.7 輸送電子的發光體(Electron Transport Emitters)…………...79
1.2.8 電洞輸送性的發光體(Hole Transport Emitters)……........….80
1.2.9 客發光體(Dopant Emitters)………………………….………81
1.3 香豆素(Coumarin)………………………………….……….82貳 實驗設計……………………………………………………..84
參 結果與討論……………………………………………..……85
肆 結論…………………………………………………………..92
伍 實驗部分
一 儀器設備及試藥來源………………………………………..93
二 化合物的合成…………………………………………..……95
陸 參考文獻………………………………………................…105
柒 光譜資料…………………………………………………....106

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