Abstract
Multilayered manganese dioxide (MnO2) film intercalated with tris(2,2-bypyridine)ruthenium(II) ([Ru(bpy)3]2+) was synthesized by a one-step electrochemical method. The obtained film was characterized by FTIR, XRD, SEM and TEM techniques. FTIR and XRD measurements revealed that [Ru(bpy)3] ions are intercalated in the interlayer between MnO2 layers and exist as a two-layer form. After immersion in water, the two-layer form was changed into the one-layer. Electrochemistry of the resulting films in Na2SO4 solution indicated an electron transfer from/to the underlying Pt substrate to/from the incorporated complexes through the MnO2 sheets. At this situation, [Ru(bpy)3] ions were extracted to maintain the charge neutrality of the film.
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