Several new types of cofacial compounds of μ-(dimethylsilane)phthalocyaninatosilicon [PcSi(dms)] n , μ-(diphenyl-silane)phthalocyaninatosilicon [PcSi(dps)] n , and μ-(methylphenylsilane)phthalocyaninatosilicon [PcSi(mps)] n were synthesized by the reaction of dichlorophthalocyaninatosilicon (PcSiCl 2 ) with dichlorodimethylsilane, dichlorodiphenylsilane, and dichloromethylphenylsilane in xylene, respectively. The corresponding silane-bridged phthalocyaninatosilicon compounds were characterized by Fourier transform infrared (FT-IR), 29 Si-NMR, UV-vis, elemental analysis, and thermogravimetry/differential thermal analysis (TG/DTA). The electrical conductivities of the compounds were measured by the four-probe method, and the bridged phthalocyaninatosilicon compounds without the dopant showed very low electrical conductivity. A clear increase in conductivity, however, was observed for the doped compounds [PcSi(L)I y ] n and [PcSi(L) (ClO 4 ) y ] n , which was found to be in the range σ RT = 10 −6 -10 −3 S/cm with doping (I 2 , AgClO 4 ).
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