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    • 1. 发明授权
    • Copper (I) complexes for optoelectronic devices
    • 铜(I)配合物用于光电器件
    • US09024026B2
    • 2015-05-05
    • US13810848
    • 2011-07-20
    • Hartmut YersinRafal CzerwieniecUwe Monkowius
    • Hartmut YersinRafal CzerwieniecUwe Monkowius
    • C09K11/06C07D471/04C07F5/02C07F9/50C07F9/6561H01L51/00H01L51/50
    • C09K11/06C07D471/04C07F5/027C07F9/5027C07F9/5045C07F9/6561C09B57/00C09B57/008C09B57/10C09B69/109C09K2211/1007C09K2211/1011C09K2211/1029C09K2211/188H01L51/0072H01L51/008H01L51/009H01L51/0091H01L51/5012Y02E10/549Y02P70/521
    • The invention relates to neutral mononuclear copper (I) complexes for emitting light and with a structure according to formula (A) in which: M represents: Cu(I); L∩L represents: a single, negatively charged, bidentate ligand; N∩N represents: a diimine ligand (substituted with R and FG), in particular a substituted 2,2′-bipyridine derivative (bpy) or a substituted 1,10-phenanthroline derivative (phen); R represents: at least one sterically demanding substituent for preventing the planarization of the complex in the excited state; FG=functional group, and represents: at least one second substituent for increasing solubility in organic solvents. The substituent can also be used for electron transport or alternatively for hole transport, said functional group being bound to the diimine ligands either directly or by means of suitable bridges; and the copper (I) complex: having a ΔE(S1−T1) value of less than 2500 cm−1 between the lowest excited singlet state (S1) and the triplet state (T1) which lies below; having an emission lifespan of at most 20 μs; having an emission quantum yield of greater than 40%, and a solubility of at least 1 g/L in organic solvents, in particular polar organic hydrocarbons such as acetone, methyl ethyl ketone, benzene, toluene, chlorobenzene, dichlorobenzene, dichloromethane, chloroform, dichloroethane, tetrachloroethylene, alcohols, acetonitrile or water.
    • 本发明涉及用于发光并具有式(A)结构的中性单核铜(I)配合物,其中:M表示:Cu(I); L∩L表示:单个带负电荷的二齿配体; N∩N表示:二亚胺配体(被R和FG取代),特别是取代的2,2'-联吡啶衍生物(bpy)或取代的1,10-菲咯啉衍生物(phen); R表示:至少一个空间要求的取代基,用于防止复合物在激发态下的平面化; FG =官能团,并且表示:用于增加在有机溶剂中的溶解度的至少一个第二取代基。 该取代基也可以用于电子传输或者可以用于空穴传输,所述官能团直接或通过合适的桥结合到二亚氨配体; 和铜(I)配合物:在最低激发单态(S1)和位于下面的三重态(T1)之间具有小于2500cm -1的&Dgr; E(S1-T1)值; 排放寿命至多为20μs; 具有大于40%的发光量子产率和至少1g / L的溶解度在有机溶剂中,特别是极性有机烃如丙酮,甲基乙基酮,苯,甲苯,氯苯,二氯苯,二氯甲烷,氯仿, 二氯乙烷,四氯乙烯,醇,乙腈或水。