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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 期刊論文 >  Efficient multilayer red fluorescent polymer light-emitting diodes by host and guest blend system


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/71501


    Title: Efficient multilayer red fluorescent polymer light-emitting diodes by host and guest blend system
    Authors: Wun-shing Syu;Sheng-Chia Lin;Shin-Rong Tseng;Chun-Yu Chen;Chang-Yao Liu;Yu-Chiang;Hsin-Fei Meng;Sheng-Fu Horng
    教師: 洪勝富
    Date: 2010
    Publisher: Elsevier
    Relation: Synthetic Metals, Elsevier, Volume 160, Issues 9-10, May 2010, Pages 871-875
    Keywords: Polymer light-emitting diodes
    Red light
    Host and guest
    Blend
    Multilayer
    Blade coating
    Abstract: Efficient red light polymer light-emitting diodes are obtained by energy transfer from host and guest blend system. Two kinds of blend systems, SPB02:(10-(2-benzothiazolyl)-1,1,7,7-tetramethyl-2,3,6,7-tetrahydro-1H,5H,11H-[1] benzopyrano [6,7,8-ij]quinolizin-11-one)(C545T):4-(dicyanomethylene)-2-t-butyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran (DCJTB) and SuperYellow (SY):poly(3,3′′′-didodecylquaterthiophene) (PQT-12), are used as the active layers. C545T is a green emitter, acting as an assistant dopant to improve the energy transfer from blue SPB02 host to red DCJTB. The efficiency can achieve to 3.3 cd/A for DCJTB and 3.5 cd/A for PQT-12 system by multilayer device structure with 2,2,2′′-(1,3,5-phenylene)-tris(1-phenyl-1H-benzimidazole) (TPBi) as electron transport layer. The SuperYellow:PQT-12 device shows great luminance of 16,930 cd/m2.
    Relation Link: http://www.elsevier.com/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/71501
    Appears in Collections:[電機工程學系] 期刊論文

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