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A new hybrid film composed of Ru(II) polypyridyl complex cation of [(bpy)2Ru(L1)Ru(bpy)2]4+ {L1 = 1,6-bis-(2-(2-phenyl)benzimidazoyl)hexane, bpy = 2,2′-bipyridine, Ru1} and Zn(II)-substituted tungstoborate anion of [BW11Zn(H2O)O39]7− (BWZn) has been successfully prepared by electrostatic self-assembly technique… Click to show full abstract
A new hybrid film composed of Ru(II) polypyridyl complex cation of [(bpy)2Ru(L1)Ru(bpy)2]4+ {L1 = 1,6-bis-(2-(2-phenyl)benzimidazoyl)hexane, bpy = 2,2′-bipyridine, Ru1} and Zn(II)-substituted tungstoborate anion of [BW11Zn(H2O)O39]7− (BWZn) has been successfully prepared by electrostatic self-assembly technique and characterized by UV–visible absorption spectra, cycle voltammetry, electrochemical impedance spectra, as well as permeability of the films. Upon irradiation with white light, the hybrid films generated promptly stable and reproducible photocurrents which are related to applied potential, number of layer, and incident light intensity. The layer of BWZn anion as electron-transfer bridge layer can enhance photocurrent of the (BWZn/Ru1)n photoelectrochemical cell.
Journal Title: Journal of Solid State Electrochemistry
Year Published: 2018
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