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对苯二酚在碳纳米管修饰玻碳电极的电化学行为及电化学动力学研究

Electrochemical behaviors of hydroquinone and its electrochemical kinetics at carbon nanotube modified glassy carbon electrode

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【Author】 LIANG Bin~1,SUN Yu-qin~1,ZHAO Yuan-di~2,GAO Zuo-ning~1(1.Key Lab of Energy Sources and Chemical Engineering,College of Chemistry and Chemical Engineering,Ningxia University,Yinchuan 750021,China;2.Huazhong University of Science and Technology,Wuhan,430074,China)

【机构】宁夏大学能源化工重点实验室化学化工学院；华中科技大学生命科学技术学院；宁夏大学能源化工重点实验室化学化工学院宁夏银川750021；宁夏银川750021；湖北武汉450074；

【Abstract】 The multi-wall carbon nanotubes（MWNTs）modified glassy carbon electrode（CNT/GCE）was fabricated and its electrocatalytic activity of hydroquinone was investigated.It was found that the electrochemical behaviors were greatly improved at CNT/GC,indicating that the redox of hydroquinone could be catalyzed at CNT/GC.The kinetic parameters of thisprocess were calculated.The diffusiong coefficient was 1.7×10^-5cm²·s^-1,the heterogeneouselectron transfer rate constant k was 0.678s^-1,α value was 0.538 and electron transfer numbers was 2.更多还原

【关键词】碳纳米管修饰电极；对苯二酚；电化学；电化学动力学；
【Key words】 carbon nanotube modifled glassy carbon electrode； hydroquinone； electrocatalysis； electrochemical kinetics；

【基金】教育部重点研究项目(204149)资助;宁夏大学自然科学基金(QN0510)项目资助

【文献出处】化学研究与应用 ,Chemical Research and Application , 编辑部邮箱 ,2007年01期

【分类号】O646
【被引频次】18
【下载频次】711

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