Tuning the photophysical properties of cationic iridium(<scp>iii</scp>) complexes containing cyclometallated 1-(2,4-difluorophenyl)-1H-pyrazole through functionalized 2,2′-bipyridineligands: blue but not blue enough
作者:Etienne Baranoff、Henk J. Bolink、Edwin C. Constable、Manuel Delgado、Daniel Häussinger、Catherine E. Housecroft、Mohammad K. Nazeeruddin、Markus Neuburger、Enrique Ortí、Gabriel E. Schneider、Daniel Tordera、Roché M. Walliser、Jennifer A. Zampese
DOI:10.1039/c2dt32160b
日期:——
of [Ir(dfppz)2(4)]+ that is centred on the ancillary ligand. These complexes, when processed into a thin film and sandwiched between two electrodes, lead to very low voltage operating electroluminescent devices. No additional components are needed, which demonstrates their electron and hole transport abilities in conjunction with the luminescent properties.
[Ir(dfppz)2(N ^ N)] +家族中的四个新的杂铱(III)络合物,其中Hdfppz =1-(2,4-二氟苯基)-1 H-吡唑 和N ^ N = 6-苯基-2,2'-联吡啶(1),4,4'-(二叔丁基)-6-苯基-2,2'-联吡啶(2),4,4'-(二叔丁基)-6,6'-二苯基-2,2'-联吡啶(3)和4,4'-双(二甲基氨基)-2,2'-联吡啶(4)已被合成为六氟磷酸根盐并被充分表征。确定了配体3和前体[Ir 2(dfppz)4(μ-Cl)2 ]的单晶结构,以及配合物4 [Ir(dfppz)2(1)] [PF 6 ]的结构。 }·3CH 2 Cl 2,[Ir(dfppz)2(3)] [PF 6 ]·CH 2 Cl 2和[Ir(dfppz)2(4)] [PF 6 ]·CH 2 Cl 2。讨论了分子间和分子内π堆积在固态中的作用。在物[Ir(dfppz)2(N ^ N)] +(N