臺灣博碩士論文加值系統

Poly(3,4-propylenedioxythiophene)是PEDOT的一種衍生物，具有對稱的結構，其導電性與溶解度比PEDOT更為出色，尤其當PProDOT的丙基碳鏈橋段中間的碳上有著對稱官能基時，更能提高其性質。本研究利用transetherification reaction合成三個3,4-propylenedioxythiophene的衍生物，分別為ProDOT-Bu、ProDOT-Et和ProDOT-Me。
Carbazole分子，是發藍光的材料，其衍生化合物熱穩定性好，且具有電洞傳遞層和發光層的特性，可在9號氮上接上不同的側鏈，改善其溶解度或其他性質。以Suzuki reaction將ProDOT-Me、 ProDOT-Et、ProDOT-Bu和EDOT與改質的Carbazole合成出三種共聚物，為PDOT BuCz、PDOTEtCz、PDOTBuCz和PEDOTCz。
經由核磁共振光譜儀(NMR)鑑定其合成之結構，基質輔助雷射脫附游離飛行時間質譜儀(MALDI-TOF/MS)鑑定其物理性質，熱重量分析儀(TGA)與微分掃描熱卡計(DSC)鑑定其熱性質，紫外光-可見光吸收光譜儀 (UV-vis) 與光激發光譜儀(PL)與光電光譜儀(PESA)鑑定其光學性質。

Poly(3,4-propylenedioxythiophene) is one of PEDOT’s derivatives , it owns symmetrical structure that its conductivity and solubility is better than PEDOT. In this study , we synthesized ProDOT derivatives with symmetrical side chains via transetherification reaction ,which were ProDOT-Me , ProDOT-Et and ProDOT-Bu ,respectively to improve solubility.
Carbazole is a blue light emitting material that owns great thermal stability and organic solvent solubility . A novel series of soluble alternating ProDOT/carbazole copolymer : PDOTMeCz , PDOTEtCz , PDOTBuCz and PEDOTCz were synthesized by Suzuki coupling reaction.
To identify structure, nuclear magnetic resonance (NMR) was used, physical properties via Matrix-Assisted Laser Desorption/ Ionization Time of Flight Mass Spectrometry (MALDI-TOF), thermal stability properties via thermogravimetric analysis (TGA) and differential scanning calorimetry analysis (DSC) were also measured. Optical properties, UV-visible absorption (UV-vis), fluorescence (PL), and photo-electron spectroscopy in air (PESA) spectra were carried out. The observed characteristics are sufficiently enough to make these polymers as highly promising materials in PLED fields.

中文摘要 I
英文摘要 II
目錄 IV
表目錄 VII
圖目錄 VIII
第一章 緒論 1
1-1 有機共軛高分子 1
1-1-1 導電性高分子 2
1-1-2 高分子發光原理 5
1-2 有機導電高分子在光電元件上應用 6
1-2-1有機電激發光二極體 6
1-2-2有機太陽能電池 8
1-2-3共軛高分子應用於有機光電元件之優勢 9
1-3 EDOT derivative 10
1-3-1 PEDOT 10
1-3-2 EDOT異環衍生物 11
1-3-3 Poly(3,4-propylenedioxythiophene)(PProDOT) 12
1-3-4 PEDOT及其衍生物的應用 13
1-4 研究動機 15
第二章 實驗規劃 16
2-1 實驗藥品 16
2-2 合成步驟 18
2-2-1 3,4-propylenedioxythiophene衍生物之合成 18
2-2-2 DBEDOT之合成: 21
2-2-3 C17-Carbazole之合成: 22
2-2-4 Suzuki Reaction 25
2-3 儀器鑑定與樣品製備 28
第三章 結果與討論 32
3-1 高分子結構鑑定 33
3-1-1核磁共振光譜(NMR) 33
3-1-2基質輔助雷射脫附游離飛行時間質譜儀 (MALDI-TOF) 34
3-2 熱穩定性質探討 36
3-2-1 熱重分析(TGA) 36
3-2-2微差掃瞄熱卡計 (DSC) 38
3-3 高分子光學性質探討 41
3-3-1紫外與可見光光譜儀 (UV-Vis) 41
3-3-2螢光光譜儀 (PL) 44
3-3-3光電子光譜分析儀(PESA) 47
3-4 Solid-State Polymerization (SSP) 51
第四章 結論 62
附錄 63
參考文獻 72

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