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铁氰化镍膜的分子组成及电化学行为
THE COMPOSITION AND ELECTROCHEMICAL BEHAVIOUR OF NICKEL HEXACYANOFERRATE
【摘要】 研究了沉积在玻碳(GC)基体上的铁氰化镍(NiHCF)膜的电化学行为,详细分析了制备条件对膜的循环伏安(CV)行为的影响,结合能量色散X射线(EDX)分析技术,提出膜是可溶组分K2NiFe(CN)6和不可溶组分Ni2Fe(CN)6共存的混合态,精确控制沉积条件,可分别获得不同组分占优势的膜.在此基础上研究了两组分的电化学特征,初步探讨了不可溶组分的电化学反应机制,得到描述其电极反应的方程式为:
【Abstract】 The nickel hexacyanoferrate(NiCHF)film has been electrochemically deposited on glassy carbon (GC) electrode. After studying the effect of synthetic condition on thefilm cyclic voltammetry behaviour, combining with energy dispersive X-ray analysis (EDXtechnique,we described that the NiHCF film is composed of "soluble" K2NiFe(CN)6 and "insoluble" Ni2Fe (CN)6. By precisely controlling the deposition condition, we can obtain filmsdominated by either K2NiFe (CN)6 or Ni2Fe (CN)6. On the basis of these, we described theelectrochemical characteristics of the NiHCF film.
【Key words】 prussian blue; nickel hexacyanoferrate; electrochemical behaviour;
- 【文献出处】 武汉大学学报(自然科学版) ,WUHAN UNIVERSITY JOURNAL(NATURAL SCIENCE EDITION) , 编辑部邮箱 ,1995年04期
- 【分类号】O484.1
- 【被引频次】8
- 【下载频次】169