Abstract:
A new method for measuring local interfacial impedance properties with high lateral resolution was developed by combination of electrochemical impedance spectroscopy (EIS) with scanning electrochemical microscopy (SECM). Alternating current scanning electrochemical microscopy (AC-SECM) allowed to identify and visualise microscopic domains of different conductivity/electrochemical activities on solid/liquid interfaces immersed into an electrolyte. The performance of the method was illustrated by imaging an array of Pt-band microelectrodes in solutions of low conductivity in the absence of any redox mediator. © 2002 Elsevier Science B.V. All rights reserved.
Registro:
Documento: |
Artículo
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Título: | Localised electrochemical impedance spectroscopy with high lateral resolution by means of alternating current scanning electrochemical microscopy |
Autor: | Ballesteros Katemann, B.; Schulte, A.; Calvo, E.J.; Koudelka-Hep, M.; Schuhmann, W. |
Filiación: | Analytische Chemie Elektroanalytik and Sensorik, Ruhr-Universität Bochum, Universitätsstr. 150, D-44780 Bochum, Germany INQUIMAE Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellon II. Ciudad Universitaria AR-1428, Buenos Aires, Argentina Institute of Microtechnology, University of Neuchatel, CH-2000 Neuchâtel, Switzerland
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Palabras clave: | Electrochemical impedance spectroscopy; Microelectrode; Scanning electrochemical microscopy,SECM; electrolyte; platinum; alternating current; article; electric conductivity; electrochemical impedance spectroscopy; electrochemistry; impedance; liquid; microelectrode; optical resolution; oxidation reduction reaction; scanning electrochemical microscopy; scanning electron microscopy; solid; spectroscopy; surface property |
Año: | 2002
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Volumen: | 4
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Número: | 2
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Página de inicio: | 134
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Página de fin: | 138
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DOI: |
http://dx.doi.org/10.1016/S1388-2481(01)00294-6 |
Título revista: | Electrochemistry Communications
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Título revista abreviado: | Electrochem. Commun.
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ISSN: | 13882481
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CODEN: | ECCMF
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13882481_v4_n2_p134_BallesterosKatemann |
Referencias:
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Citas:
---------- APA ----------
Ballesteros Katemann, B., Schulte, A., Calvo, E.J., Koudelka-Hep, M. & Schuhmann, W.
(2002)
. Localised electrochemical impedance spectroscopy with high lateral resolution by means of alternating current scanning electrochemical microscopy. Electrochemistry Communications, 4(2), 134-138.
http://dx.doi.org/10.1016/S1388-2481(01)00294-6---------- CHICAGO ----------
Ballesteros Katemann, B., Schulte, A., Calvo, E.J., Koudelka-Hep, M., Schuhmann, W.
"Localised electrochemical impedance spectroscopy with high lateral resolution by means of alternating current scanning electrochemical microscopy"
. Electrochemistry Communications 4, no. 2
(2002) : 134-138.
http://dx.doi.org/10.1016/S1388-2481(01)00294-6---------- MLA ----------
Ballesteros Katemann, B., Schulte, A., Calvo, E.J., Koudelka-Hep, M., Schuhmann, W.
"Localised electrochemical impedance spectroscopy with high lateral resolution by means of alternating current scanning electrochemical microscopy"
. Electrochemistry Communications, vol. 4, no. 2, 2002, pp. 134-138.
http://dx.doi.org/10.1016/S1388-2481(01)00294-6---------- VANCOUVER ----------
Ballesteros Katemann, B., Schulte, A., Calvo, E.J., Koudelka-Hep, M., Schuhmann, W. Localised electrochemical impedance spectroscopy with high lateral resolution by means of alternating current scanning electrochemical microscopy. Electrochem. Commun. 2002;4(2):134-138.
http://dx.doi.org/10.1016/S1388-2481(01)00294-6