臺灣博碩士論文加值系統

由於星型分子被認為在有機發光二極體(OLED)具有相當的潛力，所以我們就設計一系列的星型分子，我們利用實驗室先前發表利用超音波巴比艾爾型式反應製備的芳香族矽化合物和芳香族錫化合物，在鈀(Pd)金屬催化下進行Hiyama，Stille或Sonogashira耦合反應合成我們設計的星型有機發光分子，合成方法設計接上拉電子基(CF3)和推電子基(OMe)在此類型星型分子的最外圍並量測其物理和化學性質，結果發現含推電子基星型分子比拉電子基在再製成薄膜時發光之波長較長。

Rigid molecular architectures which consist of a trivalent core and three π-extended arms (so-called star-shaped molecule) are currently attracting considerable attentions because of their potential application in electrooptical material such as organic light-emitting diode(OLED). We introduced a sonochemical Barbier-type reaction which was previously reported by this laboratory to prepare heterocyclic organostannanes and heterocyclic organosilanes. These heterocyclic compounds were applied to synthesize these designed star-shaped molecules by using palladium-catalyzed Hiyama, Stille and Sonogashira cross-coupling reactions. We introduced electron-donating group(OMe) and electron-withdrawing group(CF3) to the outside shell of these star-shaped molecules and measured their physical and chemical properties. The results showed that the observed physical properties of electron-donating group attached star-shaped molecule (benzene as core) exhibited better red-shift performance in thin-film photoluminescence than its electron-withdrawing group attached compound.

目錄

中文摘要 i
英文摘要 ii
第一章　緒論 1
1-1　有機發光二極體 3
1-1-1 有機發光二極體的起源與發展 3
1-1-2　有機發光二極體的發光原理與元件結構 5
1-1-3　有機發光二極體優缺點 10
1-2　耦合反應(COUPLING REACTION)在有機光電材料合成上的重要性 12
第二章　結果與討論 23
2-1 合成討論 23
2-2　物性討論： 32
2-2-1 UV-VIS吸收光譜及PL放射光譜 32
2-2-2　電化學分析 45
第三章　結論 49
第四章　實驗與儀器 51
4-1 實驗步驟 51
4-2 溶劑的乾燥 61
4-3 實驗儀器與測試方法 62
第五章　光譜 65
第六章　參考文獻 104
圖目錄
圖(1) 化合物4a的UV-VIS吸收光譜 33
圖(2) 化合物4b的UV-VIS吸收光譜 33
圖(3) 化合物11a的UV-VIS吸收光譜 34
圖(4) 化合物11b的UV-VIS吸收光譜 34
圖(5) 化合物11c的UV-VIS吸收光譜 35
圖(6) 化合物17a的UV-VIS吸收光譜 35
圖(7) 化合物17b的UV-VIS吸收光譜 36
圖(8) 4a、11a、17a化合物的溶液態放射光譜 37
圖(9) 4b、11b、17b合物的溶液態放射光譜 38
圖(10) 4a、11a、17a合物的薄膜態放射光譜 39
圖(11) 4b、11b、17b化合物的薄膜態放射光譜 40
圖(12) 11c化合物的薄膜態放射光譜 41
圖(13) 11b、11c化合物的薄膜態放射光譜 42
圖(14) 所有化合物UV-VIS吸收光譜及PL光譜數據 44
圖(15) 化合物4a的氧化還原CV圖 45
圖(16) 化合物4b的氧化還原CV圖 46
圖(17) 化合物11a的氧化還原CV圖 47
圖(18) 化合物11b的氧化還原CV圖 48

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