Electrocatalytic applications of a sol-gel derived cobalt phthalocyanine-dispersed carbon-ceramic electrode

被引：34
|
作者：
Arguello, Jacqueline [1 ]
Magosso, Herica A. [1 ]
Landers, Richard [2 ]
Gushikem, Yoshitaka [1 ]
机构：
[1] Univ Estadual Campinas, Inst Quim, BR-13084971 Campinas, SP, Brazil
[2] Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2008年 / 617卷 / 01期
基金：
巴西圣保罗研究基金会;
关键词：
cobalt(II) tetrasulfonated phthalocyanine; electrocatalysis; oxalic acid; carbon-ceramic electrode;
D O I：
10.1016/j.jelechem.2008.01.019
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
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.
引用
收藏
页码：45 / 52
页数：8
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