Tetrasubstituted-pyrene derivatives for electroluminescent application

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Title:	Tetrasubstituted-pyrene derivatives for electroluminescent application
Authors:	Muangpaisal, Rossatorn Ho, Ming-Chi Huang, Tai-Hsiang Chen, Chih-Hsin Shen, Jiun-Yi Ni, Jen-Shyang Lin, Jiann T. Ke, Tung-Huei Chen, Li-Yin Wu, Chung-Chih
Contributors:	化學系
Keywords:	Pyrene Star-shaped materials Organic light-emitting diode Ambipolar transport
Date:	2014-09
Issue Date:	2015-01-21 13:29:15 (UTC+8)
Abstract:	Tetrasubstituted-pyrenes containing peripheral diarylamines (1-4) or fluorenes (5-6) have been synthesized. These compounds are highly fluorescent and possess high morphological stability and thermal stability. Compounds containing peripheral arylamines (1-3) can be used as the hole-transport and green-emitting materials for two-layered electroluminescent devices. Compounds with peripheral fluorenes (5-6) are efficient blue emitters and exhibit ambipolar carrier-transport characteristics with high electron mobilities (10(-3)-10(-2) cm(2)/V s) and high hole mobilities (>10(-3) cm(2)/V s). Non-doped blue-emitting devices with promising electroluminescent performance (i.e., high efficiency and narrow/saturated emission) can be achieved using fluorene-substituted pyrenes as either the holetransport/emitting layer or the electron-transport/emitting layer in the two-layered devices. (C) 2014 Elsevier B.V. All rights reserved.
Relation:	ORGANIC ELECTRONICS 卷: 15 期: 9 頁碼: 2148-2157
Appears in Collections:	[Department of Chemistry & Graduate Institute of Applied Chemistry ] journal articles

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