Highly efficient pure white polymer light-emitting devices based on poly(N-vinylcarbazole) doped with blue and red phosphorescent dyes |
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| Institution: | HU SuJun1,ZOU JianHua1,ZHOU GuiJiang2,3,LI DongYun1,WU HongBin1,SU ShiJian1,WONG Wai-Yeung2,YANG Wei1,PENG JunBiao1 & CAO Yong1 1Key Laboratory of Specially Functional Materials,Ministry of Education,Institute of Polymer Optoelectronic Materials and Devices,South China University of Technology,Guangzhou 510640,China 2Department of Chemistry and Centre for Advanced Luminescence Materials,Hong Kong Baptist University,Waterloo Road,Kowloon Tong,Hong Kong,China 3Ministry of Education Key Laboratory for Nonequil... |
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| Abstract: | Efficient white-polymer-light-emitting devices (WPLEDs) have been fabricated with a single emitting layer containing a hole-transporting host polymer,poly(N-vinylcarbzole),and an electron-transporting auxiliary,1,3-bis(4-tert-butylphenyl)-1,3,4-oxadiazolyl]-phenylene,codoped with two phosphorescent dyes:Iridium(III)bis (2-(4,6-difluorophenyl)-pyridinato-N,C2') picolinate (FIrpic) and home-made Ir-G2 for blue and red emission,respectively.With the structure of ITO/PEDOT:PSS 4083(40 nm)/emission layer(80 nm)... |
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| Keywords: | white polymer light-emitting device phosphorescent iridium complex anode buffer layer water-/alcohol-soluble conjugated polymer |
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