- 學位論文
菲衍生物之設計合成及應用於藍色有機發光二極體主體材料之研究
Design and Synthesis of Phenanthrene Derivatives Host Materials for Applications in Blue Organic Light-Emitting Diodes
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摘要
深藍色螢光有機發光二極體在顯示器與照明方面佔據了一個重要的地位，然而具有高效率表現的深藍光主體材料並不常見。在本篇論文中，以菲作為核心合成出一系列新型菲衍生物PtTp、PtTpPy、PtPyBIM、PtPyCz。菲具有比同分異構物的蒽擁有較大能隙，並且具有良好的熱穩定性。將此些菲衍生物作為主體材料，並摻雜藍色螢光客體材料(BCzVBi、TSTA或DPAVBi)，具有良好的效率表現。其中以PtPyCz作為主體材料，摻雜BCzVBi、TSTA或DPAVBi製成的元件，具有不錯的外部量子效率、電流效率與功率效率表現。以BCzVBi為客體材料時，最大外部量子效率為9.0 %，最大的電流與功率效率分別為11.1 cd/A和10.0 lm/W，CIE為(0.14, 0.14)。改換DPAVBi為客體材料時，可達到最大外部量子效率9.8 %，CIE為(0.14, 0.26)。由此可知，以菲衍生物作為主體材料製成的藍色螢光元件是具有潛力的。
並列摘要
Deep blue fluorescent organic light-emitting diodes (FOLEDs) are important for OLED display and lighting; however, high-performance hosts designed for deep blue FOLEDs are very rare. In this thesis, the new series of phenanthrene derivatives PtTp, PtTpPy, PtPyBIM and PtPyCz were synthesized. The phenanthrene possesses high thermal stability and high energy gap compared with the anthracene. More importantly, these materials can serve as a host material for the blue fluorescent dopants (BCzVBi, TSTA and DPAVBi) with excellent efficiencies. Among the four phenanthrene derivatives, PtPyCz show best performance for the BCzVBi, TSTA and DPAVBi devices with excellent external quantum efficiencies as well as current and power efficiencies. Particularly, BCzVBi doped device achieve maximum external quantum efficiency (EQE) over 9.0 %, current efficiency of 11.1 cd/A and power efficiency of 10.0 lm/W with the CIE co-ordinates of (0.14, 0.14) and DPAVBi doped device show maximum EQE over 9.8 % with the CIE co-ordinates of (0.14, 0.26). The phenanthrene derived compounds are promising host materials for the fluorescence blue device.
參考文獻
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延伸閱讀
- 吳承龍（2014）。藍色有機發光二極體相關材料之合成與應用〔博士論文，國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2014.02053
- Lee, J. H. (2018). 設計與探討藍色螢光作爲主體材料在螢光/磷光混合型白光有機發光二極體之應用 [master's thesis, National Chiao Tung University]. Airiti Library. https://www.airitilibrary.com/Article/Detail?DocID=U0030-0205201911035759
- 謝承翰（2009）。高效率藍色含碳烯銥金屬磷光材料與高能隙雙極性主體材料之設計及其在有機電激發光元件之應用〔博士論文，國立清華大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0016-1111200916042266
- 陳昱為（2018）。茚並茚客體材料之設計與合成及深藍色螢光有機電致元件之應用〔碩士論文，國立清華大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0016-1803201914455041
- 林群哲（2007）。Synthesis and Investigation of Phosphate Phosphorsfor Light Emitting Diodes〔碩士論文，國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2007.00320