Biscyclometallated iridium complexes [Ir(ppz)2(X^Y)][PF6] (X^Y = pyridine imine) have been synthesised; N-alkyl complexes are emissive whilst N-aryl ones are only weakly emissive, DFT calculations shed light on the reasons for this difference.
已经合成了双环己基
金属
铱配合物[Ir(ppz)
2(X^Y)][PF
6](X^Y = 
吡啶亚胺); 
N-烷基配合物具有发光性,而
N-芳基配合物仅具有微弱的发光性,DFT计算揭示了这种差异的原因。