新型混合配体Ir(III)配合物[Ir(L)(NwedgeC)X] n +(L = N / C / N或N / N / N; X = Cl,Br,I,CN,CH3CN或- CCPh; n = 0或1),其中N / CwedgeN =双(N-甲基苯并咪唑基)苯(Mebib)和双(N-苯基苯并咪唑基)苯(Phbib),N / N / N =双(N-甲基苯并咪唑基) )吡啶(Mebip),而N / C =苯基吡啶(ppy)衍生物。[Ir(Phbib)(ppy)Cl]和[Ir(Mebib)(mppy)Cl] [mppy = 5-甲基-2-(2'-吡啶基)苯基]的X射线晶体结构表明氮原子ppy配体中的ppy位于Me-或Phbib中的配位碳原子的反位,而ppy中的配位碳原子占据Cl的反位。[Ir(Mebip)(ppy)Cl] +在+1.05 V时显示出准可逆的Ir(III / IV)氧化波,而Ir络合
新型混合配体Ir(III)配合物[Ir(L)(NwedgeC)X] n +(L = N / C / N或N / N / N; X = Cl,Br,I,CN,CH3CN或- CCPh; n = 0或1),其中N / CwedgeN =双(N-甲基苯并咪唑基)苯(Mebib)和双(N-苯基苯并咪唑基)苯(Phbib),N / N / N =双(N-甲基苯并咪唑基) )吡啶(Mebip),而N / C =苯基吡啶(ppy)衍生物。[Ir(Phbib)(ppy)Cl]和[Ir(Mebib)(mppy)Cl] [mppy = 5-甲基-2-(2'-吡啶基)苯基]的X射线晶体结构表明氮原子ppy配体中的ppy位于Me-或Phbib中的配位碳原子的反位,而ppy中的配位碳原子占据Cl的反位。[Ir(Mebip)(ppy)Cl] +在+1.05 V时显示出准可逆的Ir(III / IV)氧化波,而Ir络合
Highly Phosphorescent Iridium Complexes Containing Both Tridentate Bis(benzimidazolyl)-benzene or -pyridine and Bidentate Phenylpyridine: Synthesis, Photophysical Properties, and Theoretical Study of Ir-Bis(benzimidazolyl)benzene Complex
quasireversible Ir(III/IV) oxidation wave at +1.05 V, while the Ir complexes, [Ir(Mebib)(ppy)Cl], were oxidized at +0.42 V versus Fc/Fc+. The introduction of an Ir-C bond in [Ir(Mebib)(ppy)Cl] induces a large potential shift of 0.63 V in a negative direction. Further, the oxidation potential of [Ir(Mebib)(Rppy)X] was altered by the substitution of R, R', and X groups. Compared to the oxidation potential, the
新型混合配体Ir(III)配合物[Ir(L)(NwedgeC)X] n +(L = N / C / N或N / N / N; X = Cl,Br,I,CN,CH3CN或- CCPh; n = 0或1),其中N / CwedgeN =双(N-甲基苯并咪唑基)苯(Mebib)和双(N-苯基苯并咪唑基)苯(Phbib),N / N / N =双(N-甲基苯并咪唑基) )吡啶(Mebip),而N / C =苯基吡啶(ppy)衍生物。[Ir(Phbib)(ppy)Cl]和[Ir(Mebib)(mppy)Cl] [mppy = 5-甲基-2-(2'-吡啶基)苯基]的X射线晶体结构表明氮原子ppy配体中的ppy位于Me-或Phbib中的配位碳原子的反位,而ppy中的配位碳原子占据Cl的反位。[Ir(Mebip)(ppy)Cl] +在+1.05 V时显示出准可逆的Ir(III / IV)氧化波,而Ir络合