Synthesis and Luminescence of Poly(phenylacetylene)s with Pendant Iridium Complexes and Carbazole Groups

被引:21
|
作者
Vicente, Jose [1 ]
Gil-Rubio, Juan [1 ]
Zhou, Guijiang [1 ]
Bolink, Henk J. [2 ]
Arias-Pardilla, Joaquin [3 ]
机构
[1] Univ Murcia, Fac Quim, Dept Quim Inorgan, Grp Quim Organomet, E-30071 Murcia, Spain
[2] Univ Valencia, Inst Ciencia Mol ICMol, Valencia 46071, Spain
[3] Univ Politecn Cartagena, CEMI, ETSII, E-30203 Cartagena, Spain
关键词
electrochemistry; iridium complexes; metal-polymer complexes; photophysics; polyacetylenes; TRIPLET ENERGY-TRANSFER; PI-CONJUGATED POLYMERS; LIGHT-EMITTING-DIODES; HIGH-EFFICIENCY; POLYACETYLENE DERIVATIVES; ELECTROOPTICAL PROPERTIES; OPTICAL-PROPERTIES; GREEN ELECTROLUMINESCENCE; POLYFLUORENE COPOLYMERS; HELICAL POLYACETYLENES;
D O I
10.1002/pola.24159
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Poly(phenylacetylene)s containing pendant phosphorescent iridium complexes have been synthesized and their electrochemical, photo- and electroluminescent properties studied. The polymers have been synthesized by rhodium-catalyzed copolymerization of 9-(4-ethynylphenyl)carbazole (CzPA) and phenylacetylenes (C(sic)N)(2)Ir(kappa(2)-O,O'-MeC(O)CHC(O)C6H4C CH-4) (C(sic)N = kappa(2)-N,C-1-2-(pyridin-2-yl)phenyl (Ir(ppy)PA) or kappa(2)-N,C-1-2-(iso-quinolin-1-yl)phenyl (Ir(piq)PA)). In addition, organic poly(phenyl-acetylene)s with pendant carbazole groups have been synthesized by rhodium-catalyzed copolymerization of CzPA and 1-ethynyl-4-pentylbenzene. Complex (C(sic)N)(2)Ir(kappa(2)-O,O'-MeC(O)CHC(O)Ph) ((IrPh)-Ph-piq; C(sic)N = 2-(isoquinolin-1-yl)phenyl-kappa(2)-N,C-1) was prepared and characterized. While the copolymers of the Ir-ppy series were weakly phosphorescent, those of the Ir-piq series displayed at room temperature intense emissions from the carbazole (fluorescence) and iridium (phosphorescence) emitters, being the latter dominant when the spectra were recorded using polymer films. Triple layer OLED devices employing copolymers of the Ir-piq series or the model complex (IrPh)-Ph-piq yielded electro-luminescence with an emission spectra originating from the iridium complex and maximum external quantum efficiencies of 0.46% and 2.99%, respectively. (C) 2010 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 48: 3744-3757, 2010
引用
收藏
页码:3744 / 3757
页数:14
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