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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/27745

Title: Hole Mobilities of Thermally Polymerized Triaryldiamine Derivatives and Their Application as Hole Transport Materials in Organic Light-Emitting Diodes (OLEDs)
Authors: Chi-Yen Lin;You-Ming Chen;Hsiao-Fan Chen;Fu-Chuan Fang;Yu-Cheng Lin;Wen-Yi Hung;Ken-Tsung Wong;Raymond C. Kwong;Sean C. Xia
Contributors: NTOU:Institute of Optoelectronic Sciences
Keywords: Solution process;Thermal polymerization;Time-of-flight (TOF);Hole mobility
Date: 2009-02-01
Issue Date: 2011-10-21T02:33:24Z
Publisher: Organic Electronics
Abstract: Abstract:This paper describes the synthesis of three triaryldiamine derivatives presenting two thermally polymerizable trifluorovinyl ether groups that can be polymerized through thermal curing to form perfluorocyclobutyl (PFCB) polymers. These PFCB polymers, studied using time-of-flight techniques for the first time, exhibited remarkable non-dispersive hole-transport properties, with values of μh of ca. 10−4 cm2 V−1 s−1. When we employed these thermally polymerized polymers as hole-transport layers (HTLs) in electroluminescence devices containing tris(8-hydroxyquinolate) aluminum (Alq3) as the emission layer, we obtained high current densities (ca. 3400 mA cm−2), impressive brightnesses (5 × 104 cd m−2), and high external quantum efficiencies (EQEs = 1.43%). These devices exhibited the same turn-on voltage, but higher EQEs, relative to those incorporating the vacuum-processed model compound N,N′-di(1-naphthyl)-N,N′-diphenylbenzidine (α-NPD) (EQE = 1.37%) as the HTL under the same device structure.
PACS 73.50.-h;73.61.Ph;78.30.Jw;78.55.Kz;78.60.Fi;
Relation: 10(1), pp.181-188
URI: http://ntour.ntou.edu.tw/handle/987654321/27745
Appears in Collections:[光電科學研究所] 期刊論文

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