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  • Title: Scanning electrochemical microscopy with a band microelectrode: theory and application.
    Author: Combellas C, Fuchs A, Kanoufi F.
    Journal: Anal Chem; 2004 Jul 01; 76(13):3612-8. PubMed ID: 15228332.
    Abstract:
    Scanning electrochemical microscopy (SECM) is described using a band microelectrode tip. Numerical calculations allow the determination of approach curves of an insulating or a conductive substrate, and the numerical analysis is compared to experimental curves. Natural convection provides a steady-state current at the band microelectrode at an infinite distance from the substrate, and the band tip may be used in the SECM configuration as easily as the tip of a disk. Owing to the millimetric dimension of the band microelectrode, the substrate has an influence on the current at much longer distances than with the disk. Finally, the advantage of SECM with a band microelectrode is observed with the fast electrochemical modification of a fluoropolymer surface.
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