Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/3808
DC FieldValueLanguage
dc.contributor李榮和zh_TW
dc.contributor詹立行zh_TW
dc.contributor.advisor鄭如忠zh_TW
dc.contributor.advisorRu-Jong Jengen_US
dc.contributor.author林昱穎zh_TW
dc.contributor.authorLin, Yu-Yingen_US
dc.contributor.other中興大學zh_TW
dc.date2011zh_TW
dc.date.accessioned2014-06-06T05:32:49Z-
dc.date.available2014-06-06T05:32:49Z-
dc.identifierU0005-1208201016512000zh_TW
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dc.identifier.urihttp://hdl.handle.net/11455/3808-
dc.description.abstract本研究將含硼咔唑衍生物和茀以Suzuki coupling反應聚合而製備出主鏈含不同carbazole/fluorene比例之共軛高分子,依側鏈共軛長度之不同又可分成polyfluorene-co-9-(4-(dimesitylboryl)phenyl)-9H- carbazole (PFCzPhB) 和polyfluorene-co-9-(4-(5-(dimesitylboryl) thiophen-2-yl)phenyl)-9H-carbazole (PFCzPhThB) 二系列藍光共軛高分子。在高分子主鏈中導入fluorene可以有效提升共軛長度,而3,6-carbazole衍生物可以有效抑制PF所產生之鏈聚集放光,且擁有較高的HOMO能階,在高分子中導入不同程度之咔唑含量可以調控高分子之HOMO能階。所合成之共軛高分子擁有良好的溶解度,在室溫下可溶於大部分溶劑當中,並且擁有很高的熱穩定性。所合成之共軛高分子在薄膜態和甲苯溶液下螢光光譜放射波長皆在藍光範圍內,在甲苯溶液所量測之量子效率範圍在0.47~0.6。 元件製備是以PEDOT : PSS為電洞傳遞層,TPBI 為電子傳遞層,LiF為電子注入層,將共軛高分子當作發光層,使電子/電洞在發光層中再結合而產生光,並加以探討元件在光色和亮度上之表現,元件結構為ITO/PEDOT:PSS/Poylmer/TPBI/LiF/Al,結果顯示PFCzPhThB系列之共軛高分子發光亮度最高,所量測之最大亮度可達445 cd/m2、最大發光效率為0.51 cd/A、CIE值為 (0.16, 0.11)、電激發光波長為442 nm,此元件經電激發光後,光色最接近正藍光,且擁有良好的發光效率。zh_TW
dc.description.abstractCarbazole/fluorene-based copolymers with dimestylboron pendants were synthesized by Suzuki polymerization for blue light-emitting diodes. Their compositions and physical properties were determined by gel permeation chromatography, NMR, UV absorption, elemental analysis, thermogravimetry, photoluminescence, and quantum yield measurements. The copolymers exhibited good thermal stability and blue emission in both solution and solid state. Cyclic voltammetry showed that the incorporation of dimesitylboranes-containing carbazole units (CzPhB, CzPhThB) into the polyfluorene (PF) backbone raised HOMO energy levels, and thus facilitated hole injection into the copolymers from the indium tin oxide (ITO) anode. Turn-on voltages of 4.5-8.5 V, maximum brightness of 436 cd/m2 and luminescence efficiency of 0.51 cd/A were obtained for the copolymer devices.en_US
dc.description.tableofcontents摘要 i Abstract ii 目錄 iii 圖目錄 v 表目錄 vii 1-1 前言 1 1-2 有機發光二極體發展歷史 2 1-3 OLED和PLED之比較 2 1-4 有機發光二極體的發光原理與結構 3 1-5 有機發光二極體的發光機制 3 1-6 影響螢光強度之因子 5 第二章 文獻回顧與研究動機 7 2-1 polycarbazole (PCz) 7 2-2 Polyfluorene (PF) 11 2-3 Triarylboranes (TAB) 14 2-4研究動機 15 第三章 實驗部份 16 3-1 藥品 16 3-2 溶劑 17 3-3 儀器 17 3-4 合成 19 3-4-1 單體合成 19 3-4-2 共軛高分子合成 22 第四章 結果與討論 25 4-1 高分子之溶解度測定 25 4-2 高分子之分子量測定 25 4-3 高分子之熱性質分析 26 4-3.1熱重分析 26 4-3.2微差式掃描熱卡計分析 28 4-4 紫外光-可見光光譜吸收分析 (UV-vis) 29 4-5 螢光光譜分析 (PL) 34 4-6相對量子效率 45 4-7 伏安量測分析 46 4-8 抑制PF所產生之鏈聚集放光波峰 49 4-9 元件性質測量 51 4-9-1 共軛高分子元件之電激發光光譜 52 4-9-2 藍光共軛高分子元件之電激發光特性分析 54 第五章 結論 58 第六章 參考文獻 59 附錄 62zh_TW
dc.language.isoen_USzh_TW
dc.publisher化學工程學系所zh_TW
dc.relation.urihttp://www.airitilibrary.com/Publication/alDetailedMesh1?DocID=U0005-1208201016512000en_US
dc.subjectBlue Light-Emitting Diodesen_US
dc.subject藍光有機發光二極體zh_TW
dc.subjectCarbazoleen_US
dc.subjectFluoreneen_US
dc.subjectDimestylboronen_US
dc.subjectSuzuki couplingen_US
dc.subject含硼咔唑衍生物zh_TW
dc.subjectzh_TW
dc.subject藍光高分子zh_TW
dc.title藍光有機發光二極體高分子之合成與電激發光特性之研究zh_TW
dc.titleCarbazole/Fluorene-Based Copolymers with Dimestylboron Pendants for Blue Light-Emitting Diodesen_US
dc.typeThesis and Dissertationzh_TW
item.languageiso639-1en_US-
item.openairetypeThesis and Dissertation-
item.cerifentitytypePublications-
item.grantfulltextnone-
item.fulltextno fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
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