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Browsing by Author "Wu, Cheng-Ru"

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    以Tribenzo[b,d,f]oxepine為中心之雙極性發光材料
    (2017) 吳承儒; Wu, Cheng-Ru
    本研究合成出6個以tribenzo[b,d,f]oxepine為主架構之化合物,並分別在含氧原子的苯環對位(para-position)連接推電子基團9H-carbazole (或 9,9-dimethylacridane)及拉電子基團CN,使有機材料同時具有寬能隙和雙極性的特性,並可放出波長介於397-434 nm之藍紫色螢光。我們分別利用了UV-Vis吸收光譜、螢光分光光譜來量測化合物的光物理性質,以及光電子能譜儀量測HOMO能階亦使用了TGA、DSC來證實化合物具有高的熱裂解溫度(323−386 oC)。經由理論計算,發現這些分子的HOMO與LUMO軌域之電子雲分布趨於定域化,並與實際測得的結果具有高的HOMO、LUMO能差相符。

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