材料工程Issue(9)：79-82,87,5.
氢氧化氧化钴和铜修饰的ITO双电极上丙酮酸的电化学检测
Electrochemical Detection of Pyruvic Acid on Cobalt Oxyhydroxide and Copper Modified ITO Dual-electrode
摘要
Abstract
Cobalt oxyhydroxide and copper are electrodeposited on a dual-ITO substrate to obtain CoOr (OH)y/ITO and Cu/ITO, and cyclic voltammetry technique is applied for investigating the oxidation and reduction of pyruvic acid over CoOx (OH)y/ITO and Cu/ITO. The results reveal that pyruvic acid arises an oxidation current on CoOx(OH)y/ITO and a reduction current on Cu/ITO. Based on the results, potentials of 0. 45V and - 1. 4V are respectively applied on CoOx (OH),/ITO and Cu/ITO by using chronoamperometry technique via dual-current channel. As a result, CoOx (OH)y/ITO has a linear response to pyruvic acid at relative low concentrations while Cu/ITO has a linear response at relative high concentrations, therefore the pyruvic acid detection in a wide concentration range (1. 67μmol · L-1-6. Olmmol · L-1 ) can be accomplished by the dual-electrode of CoOx (OH)y/ITO and Cu/ITO.关键词
氢氧化氧化钴/铜/修饰电极/电化学检测/丙酮酸Key words
cobalt oxyhydroxide/copper/ modification electrode/ electrochemical detection/ pyruvic acid分类
化学化工引用本文复制引用
王静懿,刁鹏,张琦..氢氧化氧化钴和铜修饰的ITO双电极上丙酮酸的电化学检测[J].材料工程,2012,(9):79-82,87,5.基金项目
国家自然科学基金资助项目(20773007) （20773007）
