Electrochemical processes of meso-tetrakis (4-sulfonatophenyl) porphine at a silver electrode studied by surface-enhanced resonance raman spectroscopy |
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| Authors: | Masao Itabashi Kotaro Kato Koichi Itoh |
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| Affiliation: | Department of Chemistry, School of Science and Enginnering, Waseda University, Shinjuku, Tokyo, 160 Japan |
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| Abstract: | The potential dependence of surface-enhanced resonance Roman spectra of meso-tetrakis (4-sulfonatophenyl) porphine (TSPP) in 0.05 M H2SO4 reveals two electrochemical processes at a silver electrode surface. One which begins around ?0.3 V is interpreted as dissociation of aggregated TSPP to monomers. The other which occurs near ?0.4 V is ascribed to a partial Ag incorporation of TSPP molecules. |
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