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  4. Finger Probe Array for Topography-Tolerant Scanning Electrochemical Microscopy of Extended Samples
 
research article

Finger Probe Array for Topography-Tolerant Scanning Electrochemical Microscopy of Extended Samples

Lesch, Andreas  
•
Chen, Po-Chung
•
Roelfs, Folkert
Show more
2014
Analytical Chemistry

Scanning electrochemical microscopy with soft microelectrode array probes has recently been used to enable reactivity imaging of extended areas and to compensate sample corrugation perpendicular to the scanning direction. Here, the use of a new type of microelectrode arrays is described in which each individual microelectrode can independently compensate corrugations of the sample surface. It consists of conventional Pt microelectrodes enclosed in an insulating glass sheath. The microelectrodes are individually fixed to a new holder system by magnetic forces. The concept was tested using a large 3D sample with heights up to 12 μm specially prepared by inkjet printing. The microelectrodes follow the topography in a constant working distance independently from each other while exerting low pressure on the surface.

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Type
research article
DOI
10.1021/ac403168p
Web of Science ID

WOS:000329548700076

Author(s)
Lesch, Andreas  
Chen, Po-Chung
Roelfs, Folkert
Dosche, Carsten
Momotenko, Dmitry  
Cortes-Salazar, Fernando  
Girault, Hubert H.  
Wittstock, Gunther
Date Issued

2014

Publisher

Amer Chemical Soc

Published in
Analytical Chemistry
Volume

86 (1)

Issue

1

Start page

713

End page

720

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LEPA  
Available on Infoscience
December 1, 2013
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/97368
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