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pH对半胱胺自组装膜在Fe(CN)63-/4-溶液中的循环伏安的影响
Effect of pH on Cyclic Voltammetry of Self-assembled Monolayers of Cysteamine in Fe(CN)63-/4- Solution
【摘要】 以Fe(CN)63-/4-作为探针离子,用循环优安(CV)方法,对半胱胺自组装膜进行研究;通过改变溶液的pH,研究溶液中H+浓度对半胱胺自组装膜在Fe(CN)63-/4-溶液中电化学行为的影响;利用电流滴定的方法得出半胱胺自组装膜的表面解离常数(表面pKb).
【Abstract】 With Fe(CN)3-/4--6 ion as probe molecule,cyclic voltammetric technique was used to investigate the self-assembled monolayers(SAMs) of cysteamine.The electrochemical behavior of modified electrode was studied in Fe(CN)3-/4--6 solution of different pH.The surface pK-b of the self-assembled monolayers of cysteamine was obtained by the electrochemical titration method.
【关键词】 半胱胺;
自组装膜;
循环伏安;
pH.;
【Key words】 cysteamine; self-assembled monolayers; cyclic voltammetry; pH.;
【Key words】 cysteamine; self-assembled monolayers; cyclic voltammetry; pH.;
【基金】 国家自然科学基金(29973026);教育部优秀青年教师资助计划资助;北京市教委项目资助
- 【文献出处】 首都师范大学学报(自然科学版) ,Journal of Capital Normal University , 编辑部邮箱 ,2005年04期
- 【分类号】O657.1;O621;
- 【被引频次】8
- 【下载频次】157