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A multi-electrode probe for parallel imaging in scanning electrochemical microscopy
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Barker, Anna L., Unwin, Patrick R., Gardner, J. W. and Rieley, Hugh (2004) A multi-electrode probe for parallel imaging in scanning electrochemical microscopy. Electrochemistry Communications, 6 (1). pp. 91-97. doi:10.1016/j.elecom.2003.10.019 ISSN 1388-2481.
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Official URL: http://dx.doi.org/10.1016/j.elecom.2003.10.019
Abstract
The first use of a parallel (multiple data acquisition) electrode probe for amperometric imaging in scanning electrochemical microscopy (SECM) is described. A 16-electrode linear microdot device has been designed based on an array of 10 mum diameter disc electrodes with a pitch of 120 mum, that are individually addressable. This configuration leads to essentially no overlap of diffusion fields when this electrode is used for amperometric detection. Linear sweep voltammetry, together with fluorescence confocal laser scanning microscopy, has been used to assess the characteristics of the device. To demonstrate the possibilities of parallel imaging in SECM, we report use of the device to image a heterogeneous substrate with conducting and insulating features.
Item Type: | Journal Article | ||||||||
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Subjects: | Q Science > QD Chemistry | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
Journal or Publication Title: | Electrochemistry Communications | ||||||||
Publisher: | Elsevier Inc. | ||||||||
ISSN: | 1388-2481 | ||||||||
Official Date: | January 2004 | ||||||||
Dates: |
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Volume: | 6 | ||||||||
Number: | 1 | ||||||||
Number of Pages: | 7 | ||||||||
Page Range: | pp. 91-97 | ||||||||
DOI: | 10.1016/j.elecom.2003.10.019 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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