文献类型： 外文期刊
作者： Zhang, Xuzhi 1 ; Cui, Yi 1 ; Lv, Zhilin 2 ; Li, Meng 3 ; Ma, Shaosai 1 ; Cui, Zhengguo 1 ; Kong, Qing 2 ;
作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Shandong Prov Key Lab Fishery Resources & Ecol En, Qingdao 266071, Peoples R China
2.Ocean Univ China, Sch Food Sci & Engn, Qingdao 266003, Peoples R China
3.Dalian Ocean Univ, Sch Life Sci & Technol, Dalian 116023, Peoples R China
关键词： Carbon nanotubes;Conductive carbon black;Graphite powder;Carbon paste electrode
期刊名称：INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE （ 影响因子：1.765； 五年影响因子：1.685 ）
ISSN： 1452-3981
年卷期： 2011 年 6 卷 12 期
页码：
收录情况： SCI
摘要： Carbon nanotubes, conductive carbon black and graphite powder were used to fabricate three kinds of paste electrodes, respectively. The electrochemistry and electroanalytical properties of the electrodes were characterized in parallel by voltammetry, impedance and chronoamperometry. Obviously the surface and bulk structure of the material affect not only the electrode kinetics but also the interactions with analyte in solution. Resulting from the voltammetric response data from a broad species, including ferrocene, potassium ferricyanide, ascorbic acid, dopamine, 2'-deoxyguanosine 5'-triphosphate, malachite green, Cd(2+) and Pb(2+), it highlights that conductive carbon black paste electrode shows the most promising electroanalytical properties in general, owing to the remarkable high signal/noise ratio. Meanwhile, the importance of the components in the paste electrodes also depends on the particular redox system involved.
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