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Type: Artigo de periódico
Title: Electrocatalytic applications of a sol-gel derived cobalt phthalocyanine-dispersed carbon-ceramic electrode
Author: Arguello, J
Magosso, HA
Landers, R
Gushikem, Y
Abstract: 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.
Subject: cobalt(II) tetrasulfonated phthalocyanine
oxalic acid
carbon-ceramic electrode
Country: Suíça
Editor: Elsevier Science Sa
Citation: Journal Of Electroanalytical Chemistry. Elsevier Science Sa, v. 617, n. 1, n. 45, n. 52, 2008.
Rights: fechado
Identifier DOI: 10.1016/j.jelechem.2008.01.019
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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