臺灣博碩士論文加值系統

　　本論文之研究，主要分為兩大部分，其一為小分子的有機發光體之合成，第二部分則為光電性質的探討:
　　第一部分是利用雪梨酮衍生物-1,2,3,-三唑環化合物為原料，合成含1,2,3,-三唑和1,3,4-�@二唑為主體的小分子發光材料，並利用 MNR、EA、IR、MS…等鑑定所合成之化合物
　　第二部分則利用 UV-Vis、PL 及 CV 等進行光電性質之測試，在UV-Vis方面，我們合成的分子，其吸收波長在 340 nm~360 nm 左右，而其光學能量價帶在 3.05 ev~3.20 ev。在PL方面，我們發現適當的改變 R1 取代基，可以使放光波長紅移和藍移，就本論文而言，當R1為推電子基時，可使分子的放光波長紅移，反之，則藍移。改變R2之取代基，則對 UV-Vis 和 PL 影響不大，但若以吡啶取代R2之苯環，則有明顯紅移。而從CV和UV得到各分子之HOMO介於-5.80 eV ~ -5.47 eV之間而LUMO則介於-2.61 eV ~ -2.34 eV。

　　The thesis contents are divided into two parts; the one describes the synthesis of luminescent materials and the other is to discuss the luminescent and electric properties.
　　First, we synthesize the luminescent molecules containing 1, 2, 3-triazole and 1, 3, 4-oxidiazole, which are derived from sydones. Then, we identify these compounds by means of MNR、EA、IR、MS etc.
　　Secondly, we test the luminescent and electric properties of these compounds by UV-Vis、PL and CV. From UV/Vis spectrum, these compounds have maximum absorption wavelength in 340 nm~360 nm, and their optical band gap is in the region of 3.05 ev~3.20 ev. From PL spectrum, if we change the R1, we can make the maximum emission wavelength red shift or blue shift. When R1 is an electron-donating group,the maximum emission wavelength become red shift. On the other hand, it will be blue shift. We also find that changing the R2, only causing a little difference. However there will be apparent shift, if we replace the benzene with pyridine in R2. Finally, we utilize the UV/Vis and CV spectra to obtain the HOMO and LUMO. HOMO for these compounds are in -5.80 eV ~ -5.47 eV range and LUMO are in -2.61 eV ~ -2.34 eV range.

中文摘要 ……………………………………………………Ⅰ
英文摘要 ……………………………………………………Ⅱ
第一章 有機發光二極體之簡介 …………………………1
1-1 前言 ……………………………………………………1
1-2 有機發光二極體的基本原理 …………………………3
1-3 有機發光二極體元件發展簡史 …………………………7
1-4 操作電壓與發光效率 ……………………………………9
1-5 元件結構介紹……………………………………………17
1-6 未來展望…………………………………………………22
第二章 含1,2,3-三唑環和1,3,4-(口咢)二唑衍生物之合成
…………………………………………………24
2-1 前言………………………………………………………24
2-1-1 2H-1,2,3-三唑類化合物之簡介………………24
2-2-2 1,3,4-(口咢)二唑環(oxadiazole)之簡介 ………28
2-2 合成動機…………………………………………………31
2-2-1 實驗方法 ……………………………………32
2-2-2 實驗結果與討論 ………………………………37
2-3 實驗部分…………………………………………………50
2-3-1 實驗儀器 ………………………………………50
2-3-2 實驗藥品 ………………………………………51
2-3-3 實驗步驟 ………………………………………52
第三章 光電性質之研究 ………………………………………88
3-1 前言………………………………………………………88
3-2 實驗裝置和儀器…………………………………………88
3-3 光學性質之研究…………………………………………89
3-3-1 紫外光-可見光吸收光譜………………………89
3-3-2 螢光放射光譜 …………………………………98
3-4 電化學分析 ………………………………………… 104
第四章 結論 ……………………………………………………117
參考文獻……………………………………………………119
附錄 ………………………………………………………125

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