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Synthesis and spectroscopic characterization of cobalt porphyrins and their catalytic activity towards dioxygen reduction
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作者 GUILARD,Roger BARBE,Jean-Michel Laboratoire de Synthese et d’Electrosynthese Organometalliques,Associe au C.N.R.S.,URA 33,6,Bd Gabriel,21100,Dijon,FranceDONG,Shao-Jun QIU,Qing-Sheng Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China 《Chinese Journal of Chemistry》 SCIE CAS CSCD 1992年第4期309-319,共0页
The synthesis and spectroscopic characterization of cobalt(Ⅱ) 5-(4-pyridyl)-10,15,20-triphe- nylporphyrin,cobalt(Ⅱ) 5-(4-N-hexadecylpyridiniumyl)-10,15,20-triphenylporphyrin bromide and cobalt(Ⅱ) 5-(2-aminophenyl)-... The synthesis and spectroscopic characterization of cobalt(Ⅱ) 5-(4-pyridyl)-10,15,20-triphe- nylporphyrin,cobalt(Ⅱ) 5-(4-N-hexadecylpyridiniumyl)-10,15,20-triphenylporphyrin bromide and cobalt(Ⅱ) 5-(2-aminophenyl)-10,15,20-triphenyl-porphyrin are reported.The corresponding copper and vanadyl derivatives ((TriP)Cu,[(hTriP)Cu]^+Br^- and [(hTriP)VO]^+Br^-) were also studied.Each metalloporphyrin was characterized by UV-visible,ESR and ~1H NMR spectroscopy.These me- talloporphyrins can be firmly adsorbed on the glassy carbon (GC) surface.The catalytic reduction of dioxygen at GC electrodes modified by these catalysts was studied by cyclic voltammetry (CV).The kinetic process of dioxygen reduction at the cobalt porphyrin-modified electrodes was studied with a rotating ring disk electrode. 展开更多
关键词 GC rate Co Synthesis and spectroscopic characterization of cobalt porphyrins and their catalytic activity towards dioxygen reduction
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