CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Efficient orange-red phosphorescent organic light-emitting diodes using an in situ synthesized copper(I) complex as the emitter
Wei, F; Qiu, J; Liu, XC; Wang, JQ; Wei, HB; Wang, ZB; Liu, ZW; Bian, ZQ; Lu, ZH; Zhao, YL; Huang, CH; wangjianqiang@sinap.ac.cn; zwliu@pku.edu.cn
2014
Source PublicationJOURNAL OF MATERIALS CHEMISTRY C
ISSN2050-7526
Volume2Issue:31Pages:6333—6341
AbstractInexpensive and eco-friendly luminescent Cu(i) complexes are ideal.phosphorescent emitters for high efficiency organic light-emitting diodes (OLEDs). A series of pyrazinyl carbazole (CPz) compounds were designed and synthesized to obtain efficient luminescent Cu(i) complexes through reaction with Cul using a vacuum codeposition method. Based on photophysical studies of the CPz compounds and their codeposited Cul-CPz films, the compound 9-(3-(6-(carbazol-9-yl)pyrazin-2-yl)phenyl)-carbazole (CPzPC) with Cul was chosen as the emissive layer for OLED fabrication, where the emitter was identified as Cu-2(mu-I)(2)(CPzPC)(4) on the basis of X-ray absorption spectroscopy. After optimizing the device architecture and material selection including the Cul doping concentration and hole transporting Layer, an efficient orange-red emitting OLED with a maximum emission band, an external quantum efficiency (EQE), and a luminance of 590 nm, 6.6% and 8619 cd m(-2) (10 V), respectively, was achieved.
KeywordActivated Delayed Fluorescence Cyclometalated Iridium Complexes Cu(i) Complexes Excited-state Emission Electroluminescence Blue Electrophosphorescence Devices Oleds
Indexed BySCI
Language英语
WOS IDWOS:000340353700012
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14109
Collection中科院上海应用物理研究所2011-2019年
Corresponding Authorwangjianqiang@sinap.ac.cn; zwliu@pku.edu.cn
Recommended Citation
GB/T 7714
Wei, F,Qiu, J,Liu, XC,et al. Efficient orange-red phosphorescent organic light-emitting diodes using an in situ synthesized copper(I) complex as the emitter[J]. JOURNAL OF MATERIALS CHEMISTRY C,2014,2(31):6333—6341.
APA Wei, F.,Qiu, J.,Liu, XC.,Wang, JQ.,Wei, HB.,...&zwliu@pku.edu.cn.(2014).Efficient orange-red phosphorescent organic light-emitting diodes using an in situ synthesized copper(I) complex as the emitter.JOURNAL OF MATERIALS CHEMISTRY C,2(31),6333—6341.
MLA Wei, F,et al."Efficient orange-red phosphorescent organic light-emitting diodes using an in situ synthesized copper(I) complex as the emitter".JOURNAL OF MATERIALS CHEMISTRY C 2.31(2014):6333—6341.
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