Synthesis and characterization of processible electroluminescent poly[(2,7-diethynyl-9,9-di-2-ethylhexylfluorene)-alt-co-(2,5-thienylene)]
Zhan, XW; Liu, YQ; Zhu, DB; Jiang, XZ; Jen, AKY
Source PublicationSYNTHETIC METALS
AbstractA processible conjugated copolymer poly(aryleneethynylene) containing electron-affinitive moiety of 2,7-diethynylfluorene and hole-transport moiety of thiophene (Th-PFE) is synthesized via a Pd-catalyzed coupling reaction. The polymer possesses a weight average molecular weight of 19 700 and a polydispersity index of 2.26. Th-PFE shows excellent thermal stability with a decomposition temperature of 398 degreesC. The HOMO. LUMO energy levels and band gap of Th-PFE are determined to be -5.31, -2.48 and 2.83 eV, respectively, using cyclic voltammetry. Th-PFE in CHCl3 solution shows strong emission around 444 nm. Light-emitting diode with a structure of ITO/copper phthalocyanine/Th-PFE/Ca/Ag emits a nearly white light with an external quantum efficiency of 0.01%. (C) 2001 Elsevier Science B.V. All rights reserved.
KeywordConjugated Polymer Coupling Reactions Photoluminescence Electroluminescence Light-emitting Diode
Indexed BySCI
WOS IDWOS:000172608000011
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLiu, YQ
Affiliation1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
2.Univ Washington, Dept Mat & Engn, Seattle, WA 98195 USA
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GB/T 7714
Zhan, XW,Liu, YQ,Zhu, DB,et al. Synthesis and characterization of processible electroluminescent poly[(2,7-diethynyl-9,9-di-2-ethylhexylfluorene)-alt-co-(2,5-thienylene)][J]. SYNTHETIC METALS,2001,124(2-3):323-327.
APA Zhan, XW,Liu, YQ,Zhu, DB,Jiang, XZ,&Jen, AKY.(2001).Synthesis and characterization of processible electroluminescent poly[(2,7-diethynyl-9,9-di-2-ethylhexylfluorene)-alt-co-(2,5-thienylene)].SYNTHETIC METALS,124(2-3),323-327.
MLA Zhan, XW,et al."Synthesis and characterization of processible electroluminescent poly[(2,7-diethynyl-9,9-di-2-ethylhexylfluorene)-alt-co-(2,5-thienylene)]".SYNTHETIC METALS 124.2-3(2001):323-327.
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