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Browsing by Author "Hong, Jia-Jyun"

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    以[2.2]對環芳建構的雙極性有機發光二極體材料
    (2018) 洪嘉駿; Hong, Jia-Jyun
    本研究合成出六個以PCP([2.2]paracyclophane)為結構核心的HJJ系列雙極性分子,藉由引入不同的推電子基(arylamine或 9H-carbazole),搭配cyano拉電子基,以及共軛鏈長之改變來調控分子雲的定域化程度,五個分子結構且經過X-ray晶體繞射圖譜鑑定。此系列分子擁有寬能隙(> 3.25 eV),螢光光色在極性溶劑和非極性溶劑中皆屬紫/藍光。此系列分子的熱裂解溫度在250 oC以上。HJJ-2發現薄膜態有堆疊誘導強化發光現象,其螢光量子產率高達82%,且具有雙極性載子傳輸能力。以之作為發光層製成電激發光元件,外部量子效率可達約0.5%。以上化合物具有做為藍光發光材料或摻雜發光材料之主體(host)材料的潛力。

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