Multidimensional electrochemical imaging in materials science |
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Authors: | Sabine Szunerits Sascha E Pust Gunther Wittstock |
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Institution: | (1) Faculty of Mathematics and Science, Center of Interface Science (CIS), Department of Pure and Applied Chemistry and Institute of Chemistry and Biology of the Marine Environment, Carl von Ossietzky University of Oldenburg, 26111 Oldenburg, Germany;(2) Laboratoire d’Electrochimie et de Physicochimie des Matériaux et des Interfaces (LEPMI), CNRS-INPG-UJF, 1130 rue de la piscine, BP 75, 38402 St. Martin d’Hères Cedex, France |
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Abstract: | In the past 20 years the characterization of electroactive surfaces and electrode reactions by scanning probe techniques has
advanced significantly, benefiting from instrumental and methodological developments in the field. Electrochemical and electrical
analysis instruments are attractive tools for identifying regions of different electrochemical properties and chemical reactivity
and contribute to the advancement of molecular electronics. Besides their function as a surface analytical device, they have
proved to be unique tools for local synthesis of polymers, metal depots, clusters, etc. This review will focus primarily on
progress made by use of scanning electrochemical microscopy (SECM), conductive AFM (C-AFM), electrochemical scanning tunneling
microscopy (EC-STM), and surface potential measurements, for example Kelvin probe force microscopy (KFM), for multidimensional
imaging of potential-dependent processes on metals and electrified surfaces modified with polymers and self assembled monolayers.
Figure Electrochemical and electrical tools like scanning electrochemical microscopy, conductive atomic force microscopy, electrochemical
scannig tunneling microscopy and Kelvin probe force microscopy (see figure) are powerful tools for the multidimensional imaging
of potential-dependent processes on metals and electrified surfaces modified with polymers and self assembled monolayers. |
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Keywords: | SECM C-AFM Polymer Metal Self assembled layers Imaging |
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