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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 梁文傑(Man-kit Leung) | |
dc.contributor.author | Kun-Zih Lin | en |
dc.contributor.author | 林坤賜 | zh_TW |
dc.date.accessioned | 2021-06-16T05:08:45Z | - |
dc.date.available | 2016-09-03 | |
dc.date.copyright | 2014-09-03 | |
dc.date.issued | 2014 | |
dc.date.submitted | 2014-08-19 | |
dc.identifier.citation | (1) Pope, M.; Kallmann, H. P.; Magnante, P. Electroluminescence in Organic Crystals. J. Chem. Phys. 1963, 38, 2042-2043.
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/55805 | - |
dc.description.abstract | 本篇論文中以聯苯為結構中心,分別在其2,2’位置接上咔唑基團與不同拉電子基 (丁腈、噁二唑、三氮唑、苯并咪唑),合成一系列雙偶極咔唑化合物3、7、8、9,針對不同拉電子基分別比較其物理、光物理與電化學性質,觀察討論基團間可能的交互作用,並預計作為藍色磷光有機發光二極體(PhOLED)元件的主發光體;另外將咔唑基團置換為具有強拉電子性的氟原子,合成化合物13、14,目的為設計具有電子傳導性質的主發光體抑或是電子傳輸材料,透過能量轉移實驗以及其他化學性質的測量結果,我們選擇化合物7、8、9作為主發光體,搭配藍色磷光發光材料:雙(4,6-二氟苯基吡啶- N,C2]吡啶甲醯合銥(FIrpic),製成有機發光二極體元件,三者未進行優化前最大發光效率均有39 cd/A以上,其中以化合物7摻混15 wt%的FIrpic表現最佳,以電流密度50 mA/cm2時的操作電壓9.33 V為驅動電壓,最大亮度6289 cd/m2,操作電壓4V時最大發光效率可達43.96 cd/A,最大發光功率為34.53 lm/W,最大外部量子效率18.50 %。 | zh_TW |
dc.description.abstract | We synthesized a series of bipolar compounds containing carbazole group with biphenyl structure (compound 3, 7, 8 and 9), the carbazole group and electron-withdrawing moieties (nitrile, oxadiazole, triazole, and benzimidazole) were placed at the 2,2’ position of biphenyl structure, respectively. We will discuss the properties and possible interaction between carbazole and withdrawing moieties of these compounds through measuring photophysical and electrochemical properties for the purpose of application as host materials of blue phosphorescent light emitting diode (PHOLED).
The other side, we replaced carbazole group with fluorine atom which has strong electron withdrawing ability (compounds 13 and 14) for potential application in materials of host with electron-transporting ability or as electron transporting materials. After the experiments of measuring energy transfer efficiency and other properties, we chose compounds 7, 8, and 9 for the test of blue PHOLED devices doped with FIrpic. All of them had current efficiency higher than 39 cd/A before optimization. Device of compound 7 doped with 15 wt% FIrpic had the best performance, with turn-on voltage 9.33 V at current density 50 mA/cm 2, max luminance 6289 cd/m2, max current efficiency43.96 cd/A at applied voltage 4 V, power efficiency 34.53 lm/W, external quantum efficiency 18.50 %. | en |
dc.description.provenance | Made available in DSpace on 2021-06-16T05:08:45Z (GMT). No. of bitstreams: 1 ntu-103-R01223185-1.pdf: 7344849 bytes, checksum: 31f44ad42fd1616b56789d7d89c17a3f (MD5) Previous issue date: 2014 | en |
dc.description.tableofcontents | 摘要 III
Abstract IV 表目錄 VII 圖目錄 VIII 流程目錄 XII 化合物結構與編號 XIII 第一章 緒論 1 1.1前言 1 1.2有機發光二極體之起源與發展 1 1.3有機分子發光原理10,11 4 1.4有機發光二極體(OLED)工作原理 6 1.5主客發光體系統 6 1.6有機發光二極體(OLED)元件結構 8 1.7有機發光二極體(OLED)各層材料 11 1.7.1陽極材料(anode material) 11 1.7.2陰極材料(cathode material) 11 1.7.3電洞注入材料(hole injection material) 12 1.7.4電子注入材料(electron injection material) 12 1.7.5電洞傳輸材料(hole transporting material) 13 1.7.6電子傳輸材料(electron transporting material)/電洞阻擋材料(hole blocking material) 15 1.7.7發光材料(emitting material) 18 1.8元件光電性質與測量 21 1.8.1元件之發光效率 21 1.8.2元件之發光顏色 22 1.9近年藍光OLED元件相關發展文獻 23 第二章 結果與討論 28 2.1研究動機與分子設計 28 2.2合成策略及方法 32 2.3熱性質分析 40 2.4光學性質分析 42 2.4.1光物理性質分析 42 2.4.2薄膜光物理性質分析 53 2.5能量轉移實驗 57 2.6 X-ray晶體結構解析 60 2.7電化學性質分析 65 2.8有機電激發光性質分析 70 第三章 結論 81 第四章 實驗部分 82 4.1實驗儀器與試劑 82 4.1.1儀器部分 82 4.1.2試劑與溶劑 83 4.2合成步驟 84 第五章 參考文獻 98 附錄一 化合物的TGA與DSC圖 106 附錄二 化合物的X – ray晶體參數表、鍵長與鍵角資料 108 附錄三 化合物的氫核磁共振光譜及碳核磁共振光譜 140 | |
dc.language.iso | zh-TW | |
dc.title | 聯苯雙偶極咔唑與聯苯氟衍生物之合成、性質探討及其在藍色磷光有機發光二極體之應用 | zh_TW |
dc.title | Synthesis and Characterization of
Carbazole-containing Bipolar Biphenyl and Fluoride-containing Biphenyl Derivatives and Applications in Blue Phosphorescent Organic Light Emitting Diodes | en |
dc.type | Thesis | |
dc.date.schoolyear | 102-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 徐秀福(Hsiu-Fu Hsu),邱天隆(Tien-Lung Chiu) | |
dc.subject.keyword | 有機發光二極體,?唑,丁?,噁二唑,三氮唑,苯并咪唑,雙偶極,主發光體,氟, | zh_TW |
dc.subject.keyword | OLED,carbazole,nitrile,oxadiazole,triazole,benzimidazole,bipolar,host,fluorine, | en |
dc.relation.page | 163 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2014-08-19 | |
dc.contributor.author-college | 理學院 | zh_TW |
dc.contributor.author-dept | 化學研究所 | zh_TW |
顯示於系所單位: | 化學系 |
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