• 文献标题:   Sensitive and Selective Detection of Imidacloprid by Graphene-Oxide-Modified Glassy Carbon Electrode
  • 文献类型:   Article
  • 作  者:   LEI W, HAN Z, SI WM, HAO QL, ZHANG YH, XIA MZ, WANG FY
  • 作者关键词:   electrochemical determination, graphene oxide, imidacloprid, sensor, voltammetry
  • 出版物名称:   CHEMELECTROCHEM
  • ISSN:   2196-0216
  • 通讯作者地址:   Nanjing Univ Sci Technol
  • 被引频次:   11
  • DOI:   10.1002/celc.201300244
  • 出版年:   2014

▎ 摘  要

Based on the enhancement effect of graphene oxide (GO), a GO-modified glassy carbon electrode (GO/GCE) is prepared for the fast and sensitive electrochemical detection of the imidacloprid (IMI) insecticide, with high selectivity and stability, for the first time. The electrochemical behavior of imidacloprid on GO/GCE is investigated by using cyclic voltammetry, and graphene oxide is found to have a strong affinity towards IMI. The reduction peak current varies linearly with the concentration of IMI over the 0.8-10 mu m range and the limit of detection is 0.36 mu m.