吳忠幟臺灣大學:電子工程學研究所吳映?Wu, Ying-HsienYing-HsienWu2010-07-142018-07-102010-07-142018-07-102009U0001-2407200909525000http://ntur.lib.ntu.edu.tw//handle/246246/189211由於有機材料所製成的藍光元件具有全彩平面顯示器及照明等潛在應用,近來成為備受關注的研究重點。其中,有機材料之載子傳輸能力正是影響元件性能的重要因素之一,另一方面,有機材料的光物理特性﹝包括螢光光譜、發光量子效率、三重激發態能量﹞也是重要的考量。此論文,我們利用飛行時間技術來測量非晶態有機材料的載子傳輸特性。我們測量了一系列苯並咪唑化合物的光物理特性及雙極性傳輸特性,這些材料是具有良好發光特性的藍光螢光材料,而電洞和電子遷移率分別介於0.34×10-6 - 111×10-6 cm2/V∙s 和 0.68×10-6 - 144×10-6 cm2/V∙s的範圍之間。我們系統化地歸納了分子結構與光物理/載子傳輸特性的關係,比較不同取代基或取代基位置對分子特性的影響,並討論了這些材料可能的應用。Chapter 1 Introduction.1 General Overview of Organic Charge-Transport Materials…………………………1.2 Thesis Organization………………………………………………………………….2eferences.…………..…………………………………………………………………..3hapter 2 Experiment and Analysis Methods.1 Introduction………………………………………………………………………...4.2 Material Preparation and Photophysical Characterization…………………………5.3 Charge-Transport Mechanisms in Disordered Organic Systems…………………...6.4 Principles of Time-of-Flight Measurement………………………………………...9.5 Analysis of Transient TOF Signals………………………………………………..13.6 Preparation and Measurement of TOF Samples…………………………………..14eferences……………………………………………………………………………...15igures………………………………………………………………………………….17hapter 3 Photophysical Properties and Ambipolar Carrier-Transport in Benzimidazole/Amine-based Compounds.1 Introduction……………………………………………………………………….22.2 Material and Photophysical Properties……………………………………………24.3 Carrier-Transport Properties………………………………………………...…….27.3.1 TOF Results of NEFI…………………………………………………...27.3.2 TOF Results of NEFmI…………………………………………………27.3.3 TOF Results of NBPI…………………………………………………...27.3.4 TOF Results of NBPmI………………………………………………...28.3.5 TOF Results of CEFI…………………………………………………...28.3.6 TOF Results of CEFmI…………………………………………………28.3.7 TOF Results of CBPI…………………………………………………...29.3.8 TOF Results of CBPmI…………………………………………………29.3.9 TOF Results of CPmI…………………………………………………..29.3.10 TOF Results of DCPmI………………………………………………...30.3.11 Discussions……………………………………………………………..30.4 Summary…………………………………………………………………………..32eferences.……………………………………………………………………………..33igures………………………………………………………………………………….352616873 bytesapplication/pdfen-US雙極性載子傳輸ambipolar carrier transport非晶態苯並咪唑材料之光物理與雙極性載子傳輸特性研究Study of Photophysical and Ambipolar Carrier Transport Properties of Amorphous Benzimidazole/Amine-Based Materialsthesishttp://ntur.lib.ntu.edu.tw/bitstream/246246/189211/1/ntu-98-R96943049-1.pdf