Synthesis and voltage-controlled multicolor electroluminescent property of copolyfluorenes containing a pendent anthraquinone-2,3-dicarboxylic imide

doi:10.1016/j.synthmet.2009.09.012

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	Synthesis and voltage-controlled multicolor electroluminescent property of copolyfluorenes containing a pendent anthraquinone-2,3-dicarboxylic imide
	Qiao, Wenqiang; Wang, Fuzhi; Zou, Dechun; Wan, Xinhua
刊名	SYNTHETIC METALS
	2009-12-01
卷号	159 期号:23-24 页码:2556-2563
关键词	Voltage-controlled Multicolor Light-emitting Diodes Excimer Emission Copolyfluorenes Anthraquinone-2 3-dicarboxylic Imide
ISSN号	0379-6779
DOI	10.1016/j.synthmet.2009.09.012
英文摘要	A new series of four fluorene-thiophene copolymers, PF-co-2%TAQI, PF-co-5%TAQI, PF-co-10%TAQI and PF-co-15%TAQI, were synthesized by the Suzuki cross-coupling polymerization of 9,9-dihexylfluorene-2,7-dibromofluorene and N-butyl 6-[3-(2,5-dibromothienyl)]anthraquinone-2,3-dicarboxylic imide. The polymers have good solubility in common organic solvents and can form thin films by spin coating or casting. The UV-vis and photoluminescence (PL) spectra for the copolymers in dilute solution are similar to those of polyfluorene, i.e. maximum absorption at 381 nm and 417 nm and PL at 439 nm. The UV-vis spectra of the polymer films also exhibit a single peak at 378 nm, while an extra emission peak was found at 612 nm, 618 nm, 628 nm and 626 nm for PF-co-2%TAQI, PF-co-5%TAQI, PF-co-10%TAQI and PF-co-15%TAQI, respectively, presumably resulting from the excimer of anthraquinone imide groups. The electroluminescent properties of the copolymers were investigated using single-layer (ITO/PEDOT/Polymer/LiF/Al) and double-layer (ITO/PEDOT/Polymer/TPBi/LiF/Al) (TPBi, 1,3,5-Tris(1-phenyl-1H-benzimidazol-2-yl)benzene) LED devices. The double-layer devices based on copolymers emit multicolors under different voltages. The Commission Internationale de l'Eclairage (CIE) coordinates of PF-co-2%TAQI are (0.356, 0.249), (0.285, 0.210), (0.264, 0,277) and (0.240, 0.250) under 12V, 14V, 16V and 18V, respectively. (C) 2009 Elsevier B.V. All rights reserved.
语种	英语
出版者	ELSEVIER SCIENCE SA
WOS记录号	WOS:000273927600024
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/65773]
专题	中国科学院化学研究所
通讯作者	Zou, Dechun
作者单位	Peking Univ, Coll Chem & Mol Engn, Key Lab Polymer Chem & Phys, Beijing Natl Lab Mol Sci,Minist Educ, Beijing 100871, Peoples R China
推荐引用方式 GB/T 7714	Qiao, Wenqiang,Wang, Fuzhi,Zou, Dechun,et al. Synthesis and voltage-controlled multicolor electroluminescent property of copolyfluorenes containing a pendent anthraquinone-2,3-dicarboxylic imide[J]. SYNTHETIC METALS,2009,159(23-24):2556-2563.
APA	Qiao, Wenqiang,Wang, Fuzhi,Zou, Dechun,&Wan, Xinhua.(2009).Synthesis and voltage-controlled multicolor electroluminescent property of copolyfluorenes containing a pendent anthraquinone-2,3-dicarboxylic imide.SYNTHETIC METALS,159(23-24),2556-2563.
MLA	Qiao, Wenqiang,et al."Synthesis and voltage-controlled multicolor electroluminescent property of copolyfluorenes containing a pendent anthraquinone-2,3-dicarboxylic imide".SYNTHETIC METALS 159.23-24(2009):2556-2563.