期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 617, 期 1, 页码 45-52出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2008.01.019
关键词
cobalt(II) tetrasulfonated phthalocyanine; electrocatalysis; oxalic acid; carbon-ceramic electrode
The preparation and characterization of a surface renewable carbon-ceramic electrode, SiO2/SnO2/C-graphite/(SiPy+)(4)CoPcTs-4, is reported. Cobalt(II) tetrasulfonated plithalocyanine (CoPcTs-4) absorbed on a 3-n-propylpyridinium chloride silsesquioxane polymer was dispersed in a stannic-silica C-graphite sol-gel matrix. The performance of SiO2/SnO2/C-graphite/(SiPy+)(4)CoPcTs-4 as electrode material was investigated by cyclic voltammetry in the electrocatalytic oxidation of oxalic acid and nitrite. The modified carbon-ceramic material was characterized by X-ray fluorescence spectroscopy, BET specific surface area, thermogravimetric analysis, X-ray photoelectron spectroscopy, and scanning electron microscopy. (c) 2008 Elsevier B.V. All rights reserved.
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