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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Efficient orange-red electroluminescence of iridium complexes with 1-(2,6-bis(trifluoromethyl) pyridin-4-yl) isoquinoline and 4-(2,6-bis (trifluoromethyl) pyridin-4-yl) quinazoline ligands
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Efficient orange-red electroluminescence of iridium complexes with 1-(2,6-bis(trifluoromethyl) pyridin-4-yl) isoquinoline and 4-(2,6-bis (trifluoromethyl) pyridin-4-yl) quinazoline ligands

机译:用1-(2,6-双(三氟甲基)吡啶-4-基)异喹啉和4-(2,6-双(三氟甲基)吡啶-4-基)喹唑啉配体的高效橙色 - 红色电致发光

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摘要

Two novel iridium(III) complexes, Ir(tfmpiq)(2)(acac) (tfmpiq = 1-(2,6-bis(trifluoromethyl) pyridin-4-yl) iso-quinoline, acac = acetylacetone) and Ir(tfmpqz)(2)(acac) (tfmpqz = 4-(2,6-bis(trifluoromethyl) pyridin-4-yl) quinazoline), were synthesized and thoroughly investigated. Both complexes emit orange-red photoluminescence with high quantum yields (Ir(tfmpiq)(2)(acac): lambda(max): 587 nm, eta(PL): 42%; Ir(tfmpqz)(2)(acac): lambda(max): 588 nm, eta(PL): 91%). Furthermore, the complex containing quinazoline shows higher electron mobility than that with isoquinoline. The organic light-emitting diodes (OLEDs) with single-or double-emitting layers (EML) were fabricated using two new emitters. The double-EML device using Ir(tfmpqz)(2)(acac) with the structure of ITO (indium-tin-oxide)/MoO3 (molybdenum oxide, 3 nm)/TAPC (di-[4-(N, N-ditolyl-amino)-phenyl] cyclohexane, 50 nm)/Ir(tfmpqz)(2)(acac) (1 wt%): TcTa (4,4', 4"-tris(carbazole-9-yl) triphenylamine, 10 nm)/Ir(tfmpqz)(2)(acac) (1 wt%): 2,6DCzPPy (2,6-bis(3-(carbazol-9-yl) phenyl) pyridine, 10 nm)/TmPyPB (1,3,5-tri(m-pyrid-3-yl-phenyl) benzene, 50 nm)/LiF (1 nm)/Al (100 nm) displays good electroluminescence performances with a maximum luminance of 96 609 cd m(-2), a maximum current efficiency of 59.09 cd A(-1), a maximum external quantum efficiency of 20.2%, a maximum power efficiency of 53.61 lm W-1, and the efficiency roll-off ratio is mild.
机译:两种新型铱(III)配合物,IR(TFMPIQ)(2)(ACAC)(TFMPIQ = 1-(2,6-双甲基)吡啶-4-基)异喹啉,ACAC =乙酰丙酮)和IR(TFMPQZ )(2)(ACAC)(TFMPQZ = 4-(2,6-双(三氟甲基)吡啶-4-基)喹唑啉)被合成并彻底研究。两个配合物都发出橙红色光致发光,具有高量子产率(IR(TFMPIQ)(2)(ACAC):Lambda(Max):587 nm,ETA(PL):42%; IR(TFMPQZ)(2)(ACAC): Lambda(最多):588 nm,eta(pl):91%)。此外,含有喹唑啉的复合物显示出比用异喹啉的电子迁移率更高。使用两种新的发射器制造具有单或双发射层(EML)的有机发光二极管(OLED)。使用IRO(TFMPQZ)(2)(ACAC)的双EML装置具有ITO(氧化铟锡)/ MOO3(氧化钼,3nm)/ Tapc(di-[4-(n,n-二洛糖氨基) - 苯基]环己烷,50nm)/ Ir(TFMPQZ)(2)(ACAC)(1wt%):TCTA(4,4',4“ - 三(咔唑-9-基)三苯胺,10 NM)/ IR(TFMPQZ)(2)(ACAC)(1wt%):2,6dczppy(2,6-双(3-(咔唑-9-基)苯基)吡啶,10nm)/ tmpypb(1, 3,5-三(m-Pyrid-3-基 - 苯基)苯,50nm)/ LiF(1nm)/ Al(100nm)显示出良好的电致发光性能,最大亮度为96 609cd m(-2) ,最大电流效率为59.09℃(-1),最大外部量子效率为20.2%,最大功率效率为53.61升,效率滚降率温和。

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    Nanjing Univ Sch Chem &

    Chem Engn Collaborat Innovat Ctr Adv Microstruct State Key Lab Coordinat Chem Jiangsu Key Lab Adv Nanjing 210093 Jiangsu Peoples R China;

    Chinese Acad Sci Changchun Inst Opt Fine Mech &

    Phys State Key Lab Luminescence &

    Applicat Changchun 130033 Jilin Peoples R China;

    Nanjing Univ Sch Chem &

    Chem Engn Collaborat Innovat Ctr Adv Microstruct State Key Lab Coordinat Chem Jiangsu Key Lab Adv Nanjing 210093 Jiangsu Peoples R China;

    Nanjing Univ Sch Chem &

    Chem Engn Collaborat Innovat Ctr Adv Microstruct State Key Lab Coordinat Chem Jiangsu Key Lab Adv Nanjing 210093 Jiangsu Peoples R China;

    Nanjing Univ Sch Chem &

    Chem Engn Collaborat Innovat Ctr Adv Microstruct State Key Lab Coordinat Chem Jiangsu Key Lab Adv Nanjing 210093 Jiangsu Peoples R China;

    Chinese Acad Sci Changchun Inst Opt Fine Mech &

    Phys State Key Lab Luminescence &

    Applicat Changchun 130033 Jilin Peoples R China;

    Chinese Acad Sci Changchun Inst Opt Fine Mech &

    Phys State Key Lab Luminescence &

    Applicat Changchun 130033 Jilin Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;无机化学;
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