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题名: Red electroluminescent polyfluorenes containing highly efficient 2,1,3-benzoselenadiazole- and 2,1,3-naphthothiadiazole-based red dopants in the side chain
作者: Chen L ; Tong, Hui(童辉) ; Xie ZY ; Wang LX ; Jing XB ; Wang FS
刊名: JOURNAL OF MATERIALS CHEMISTRY
出版日期: 2011
卷号: 21, 期号:39, 页码:15773-15779
关键词: LIGHT-EMITTING-DIODES ; CONJUGATED COPOLYMERS ; POLYMERS ; FLUORENE ; DEVICES ; DERIVATIVES ; DYES ; EMISSION ; PROGRESS ; SYSTEM
通讯作者: Tong H
中文摘要: By attaching small amounts of highly efficient D-A-D'-type 2,1,3-benzoselenadiazole and 2,1,3-naphthothiadiazole derivatives to the side chain of a polyfluorene host, we developed two series of red polymers, PFR-xBS and PFR-xNT. By tuning the doping concentration, complete energy transfer from the PF host to the red dopant occurs. The EL spectra of these red polymers show predominantly a red emission, attributed to the dopants. Single-layer devices (ITO/PEDOT:PSS/polymer/Ca/Al) of red polymers realized pure red light with a peak at 620 nm, a luminous efficiency of 2.91 cd A(-1) and CIE coordinates of (0.62, 0.36) for PFR-10BS, and a saturated red light with a peak at 632 nm, a luminous efficiency of 3.04 cd A(-1) and CIE coordinates of (0.63, 0.35) for PFR-10NT, respectively. To the best of our knowledge, the device performance of PFR-10NT is among the best single-layer saturated red PLEDs based on fluorescent polymers.
收录类别: SCI收录期刊论文
语种: 英语
WOS记录号: WOS:000295278000094
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ciac.jl.cn/handle/322003/44930
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Chen L;Tong H;Xie ZY;Wang LX;Jing XB;Wang FS.Red electroluminescent polyfluorenes containing highly efficient 2,1,3-benzoselenadiazole- and 2,1,3-naphthothiadiazole-based red dopants in the side chain,JOURNAL OF MATERIALS CHEMISTRY,2011,21(39):15773-15779
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