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Three kinds of new electrostatic self-assembled multilayer films were prepared with alternating adsorption of H3PMo12O40 and hemicyanine derivatives,and characterized with UV-visible absorption spectroscopy and cyclic voltammetry.The results show that these films are vertically uniform and electrochemically active with surface-controlled behavior,and the charge transfer may occur between H3PMo12O40 and hemicyanine derivatives in the films.The electron transfer rates of the three films are derived to be 0.0027,0.0019 and 0.00066 s-1,respectively,which decrease with increasing the thickness of the hemicyanine layers in the films.
Three kinds of new electrostatic self-assembled multilayer films were prepared with alternating adsorption of H3PMo12O40 and hemicyanine derivatives, and characterized with UV-visible absorption spectroscopy and cyclic voltammetry. The results show that these films are vertically uniform and electrochemically active with surface-controlled behavior , and the charge transfer may occur between H3PMo12O40 and hemicyanine derivatives in the films. electron transfer rates of the three films are derived to be 0.0027, 0.0019 and 0.00066 s-1, respectively, which decrease with increasing the thickness of the hemicyanine layers in the films.