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Scanning Electrochemical Potential Microscopy (SECPM) and Electrochemical STM (EC-STM)

  • Chapter
Surface Science Tools for Nanomaterials Characterization

Abstract

Scanning electrochemical potential microscopy (SECPM) and electrochemical scanning tunnelling microscopy (EC-STM) allow for imaging the solid-liquid interface under in situ electrochemical conditions. In this chapter we take a look at two important aspects of SECPM and EC-STM studies: First, investigations on model electrode systems relevant for electrocatalysis are presented. Second, studies on the behavior of biomolecules immobilized on electrodes are shown. In both cases the use of EC-STM or SECPM allows for insights into the electrochemistry at a molecular level which cannot be achieved by other, rather integrating, methods.

Dedicated to Maria-Elisabeth Michel-Beyerle and Rudolph A. Marcus; their seminal work provided an important basis for the review given here.

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Notes

  1. 1.

    Potentials in this publication were measured vs. a Ag/AgCl, KCl (3 M) RE and are here converted to vs. NHE.

  2. 2.

    Potentials in this publication were measured vs. a mercury/mercurous sulfate RE and converted to vs. NHE.

  3. 3.

    Potentials in this publication were measured vs. a Ag/AgCl, KCl (3 M) RE and converted to vs. NHE.

  4. 4.

    Potentials in this publication were measured vs. a Ag/AgCl RE and converted to vs. NHE.

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Authors and Affiliations

  1. TUM CREATE, 1 CREATE Way, CREATE Tower, Singapore, 138602, Singapore

    Max Herpich & Jochen Friedl

  2. Department of Physics E19, Technische Universität München, James-Franck Str. 1, 85748, Garching, Germany

    Max Herpich & Jochen Friedl

  3. School of Chemistry, Bedson Building, Newcastle University, Lichtenbergstr. 2a, Newcastle upon Tyne, UK

    Ulrich Stimming

  4. Fakultaet fuer Informatik, Technische Universität München, Boltzmannstrasse 3, 85748, Garching, Germany

    Ulrich Stimming

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  1. Max Herpich
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  2. Jochen Friedl
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  3. Ulrich Stimming
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Correspondence to Ulrich Stimming .

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  1. Center for Advanced Microstructures and Devices, Baton Rouge, LA, USA

    Challa S. S. R. Kumar

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Herpich, M., Friedl, J., Stimming, U. (2015). Scanning Electrochemical Potential Microscopy (SECPM) and Electrochemical STM (EC-STM). In: Kumar, C.S.S.R. (eds) Surface Science Tools for Nanomaterials Characterization. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-44551-8_1

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