| 纳米银修饰石墨电极伏安法测定过氧化氢 |
| |
| 引用本文： | 冯春梁,韩玉花,李亚男,赵新.纳米银修饰石墨电极伏安法测定过氧化氢[J].辽宁师范大学学报(自然科学版),2011,34(2). |
| |
| 作者姓名： | 冯春梁 韩玉花 李亚男 赵新 |
| |
| 作者单位： | 辽宁师范大学化学化工学院功能材料化学研究所。辽宁大连116029 |
| |
| 基金项目： | 国家自然科学基金项目(60572009); 辽宁省科技攻关项目(2005220024); 辽宁省科技基金项目(99102004); 辽宁省教育厅高校重点实验室项目(2008S134) |
| |
| 摘 要： | 基于纳米银对过氧化氢分解的催化作用,用恒电位沉积法将银纳米粒子固定在石墨电极上,制备了一种过氧化氢传感器.用循环伏安法对H2O2进行测定,并对可能的测定机理进行探讨.选择了过氧化氢传感器测定H2O2的最适pH为6.0,在1.1×10-5～2.2×10-2mol/L范围内,还原峰电流与H2O2浓度呈良好线性关系.该传感器具有制备简易、成本低廉、响应快、灵敏度高、稳定性好等特点,具有较好的应用前景.
|
| 关 键 词： | 纳米银粒子 石墨电极 过氧化氢 电化学传感器 循环伏安法 |
Silver nanoparticles modified graphite electrode for voltammetric detection of hydrogen peroxide |
| |
| FENG Chun-liang,HAN Yu-hua,LI Ya-nan,ZHAO Xin.Silver nanoparticles modified graphite electrode for voltammetric detection of hydrogen peroxide[J].Journal of Liaoning Normal University(Natural Science Edition),2011,34(2). |
| |
| Authors: | FENG Chun-liang HAN Yu-hua LI Ya-nan ZHAO Xin |
| |
| Institution: | FENG Chun-liang,HAN Yu-hua,LI Ya-nan,ZHAO Xin(School of Chemistry and Chemical Engineering,Institute of Chemistry for Functionalized Materials,Liaoning Normal University,Dalian 116029,China) |
| |
| Abstract: | A novel amperometric sensor for the detection of hydrogen peroxide(H2O2) was prepared by electro-deposition of silver nanoparticles on the graphite electrode.The silver nanoparticles was characterized with UV-Vis spectroscopy and scanning electron microscopy.The electrochemical performances of the electrode were studied by cyclic voltammetry.The silver nanoparticles immobilized on the graphite electrode exhibited an excellent electrocatalytic response toward reduction of H2O2.The resulting Ag nanoparticles ... |
| |
| Keywords: | silver nanoparticles graphite electrode hydrogen peroxide electrochemical sensor cyclic voltammetry |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
