Synthesis and properties of polysilanes with tetrathiafulvalene as pendant group
2008
Two polysilanes with tetrathiafulvalene (TTF) as pendant groups were synthesized by reaction of 2-cyanoethyl substituted TTF 1 with (chloromethylphenyl)dimethyl(phenyl)polysilane, or reaction of 4-vinylphenyl-TTF 2 with poly[methylsilane-co-methyl(phenyl)silane]. The structures and properties of TTF-polysilanes and their intermediates were characterized by 1H NMR, mass, GPC, UV/Vis, IR and cyclic voltammetry (CV). The results of UV/Vis and CV of these polysilanes indicated interaction between the TTF moieties and σ-electron delocalized Si–Si chain in the ground states. These polysilanes doped by I2 exhibited high conductivities (10−2 S cm−1).
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