<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The capabilities and applications of the focused ion beam (FIB) technology for detection of an electrochemical signal in nanoscale area are shown. The FIB system, enabling continuous micro- and nanofabrication within only one equipment unit, was used to produce a prototype of electrochemical nanometer-sized electrode for sensor application. Voltammetric study of electrochemically active compound (ferrocenemethanol) revealed the diffusion limiting current (12 pA), corresponding to a disc (planar) nanoelectrode with about 70 nm diameter of contact area. This size is in a good accordance with the designed contact-area (50 nm × 100 nm for width × thickness) of the FIB-produced nanoelectrode. It confirms that produced nanoelectrode is working properly in liquid solution and may enable correct measurements in nanometer-sized regions.</p></abstract>

The capabilities and applications of the focused ion beam (FIB) technology for detection of an electrochemical signal in nanoscale area are shown. The FIB system, enabling continuous micro- and nanofabrication within only one equipment unit, was used to produce a prototype of electrochemical nanometer-sized electrode for sensor application. Voltammetric study of electrochemically active compound (ferrocenemethanol) revealed the diffusion limiting current (12 pA), corresponding to a disc (planar) nanoelectrode with about 70 nm diameter of contact area. This size is in a good accordance with the designed contact-area (50 nm × 100 nm for width × thickness) of the FIB-produced nanoelectrode. It confirms that produced nanoelectrode is working properly in liquid solution and may enable correct measurements in nanometer-sized regions.

Fabrication of Electrochemical Nanoelectrode for Sensor Application Using Focused Ion Beam Technology

Institute of Electron Technology, al. Lotników 32/46, 02-668 Warsaw, Poland

Polish Academy of Sciences, Institute of Physical Chemistry, ul. Kasprzaka 44/52, 01-224 Warsaw, Poland

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The capabilities and applications of the focused ion beam (FIB) technology for detection of an electrochemical signal in nanoscale area are shown. The FIB...

Fabrication of Electrochemical Nanoelectrode for Sensor Application Using Focused Ion Beam Technology

Published Online: Oct 03, 2014

Page range: 40 - 44

DOI: https://doi.org/10.2478/pjct-2014-0048

Keywords
FIB nanotechnology, nanosensor, electrochemistry

© by Adam Łaszcz

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fabrication of Electrochemical Nanoelectrode for Sensor Application Using Focused Ion Beam Technology

Published Online: Oct 03, 2014

Page range: 40 - 44

DOI: https://doi.org/10.2478/pjct-2014-0048

KeywordsFIB nanotechnology, nanosensor, electrochemistry

© by Adam Łaszcz

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
FIB nanotechnology, nanosensor, electrochemistry