Synthesis, Structures, and Electronic Spectroscopy of Luminescent Acetylene‐ and (Buta‐1,3‐diyne)platinum Complexes
作者:Ke Zhang、Jian Hu、Kwok Chu Chan、Kwok Yin Wong、John H. K. Yip
DOI:10.1002/ejic.200600773
日期:2007.1
The electronic absorption and emission spectroscopy of a series of diphenylaceylene- and (buta-1,3-diyne)-Pt0 complexes (L)Pt[(1,2-η2)-R–(C≡C)n–R] and [(dppp)Pt]2[μ-(1,2-η2):(3,4-η2)-R–(C≡C)2–R] R = Ph or CH3, L = dppp or(PPh3)2, n = 1 or 2} was investigated. The structures of(dppp)Pt[(1,2-η2)-Ph–C≡C–Ph], (dppp)Pt[(1,2-η2)-PhC4Ph] and [(dppp)Pt]2[μ-(1,2-η2):(3,4-η2)-Ph–(C≡C)2–Ph] were characterized
一系列二苯基乙炔-和(buta-1,3-diyne)-Pt0配合物(L)Pt[(1,2-η2)-R-(C≡C)n-R]和[(dppp)Pt]2[μ-(1,2-η2):(3,4-η2)-R–(C≡C)2–R] R = Ph or CH3, L = dppp or(PPh3 )2, n = 1 或 2} 进行了调查。(dppp)Pt[(1,2-η2)-Ph–C≡C–Ph]、(dppp)Pt[(1,2-η2)-PhC4Ph]和[(dppp)Pt]2[μ]的结构-(1,2-η2):(3,4-η2)-Ph–(C≡C)2–Ph] 通过 X 射线衍射表征。这些配合物都表现出强烈的吸收,这归因于 PtP(dπ*) 和 Pt乙炔(πx*) 跃迁。除了 CH3C4CH3 配合物外,这些配合物都在 380-550 nm 和 500-800 nm 处显示出两种发射。较高的能量发射可能来自 3[P(dπ*)Pt]