Microelectrode Arrays with Overlapped Diffusion Layers as Electroanalytical Detectors: Theory and Basic Applications
This contribution contains a survey of basic literature dealing with arrays of microelectrodes with overlapping diffusion layers as prospective tools in contemporary electrochemistry. Photolithographic thin layer technology allows the fabrication of sensors of micrometric dimensions separated with a...
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Online Access: | http://www.mdpi.com/1424-8220/13/10/13659 |
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doaj-1b8e3d282d584031832dff9010adcf142020-11-24T20:53:34ZengMDPI AGSensors1424-82202013-10-011310136591368410.3390/s131013659Microelectrode Arrays with Overlapped Diffusion Layers as Electroanalytical Detectors: Theory and Basic ApplicationsPeter TomčíkThis contribution contains a survey of basic literature dealing with arrays of microelectrodes with overlapping diffusion layers as prospective tools in contemporary electrochemistry. Photolithographic thin layer technology allows the fabrication of sensors of micrometric dimensions separated with a very small gap. This fact allows the diffusion layers of single microelectrodes to overlap as members of the array. Various basic types of microelectrode arrays with interacting diffusion layers are described and their analytical abilities are accented. Theoretical approaches to diffusion layer overlapping and the consequences of close constitution effects such as collection efficiency and redox cycling are discussed. Examples of basis applications in electroanalytical chemistry such as amperometric detectors in HPLC and substitutional stripping voltammetry are also given.http://www.mdpi.com/1424-8220/13/10/13659photolithographyinterdigitated microelectrode arraysmicroband electrodescollection efficiencyredox cyclingsubstitutional stripping analysisdetection of catecholaminesneurotransmitters |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Peter Tomčík |
spellingShingle |
Peter Tomčík Microelectrode Arrays with Overlapped Diffusion Layers as Electroanalytical Detectors: Theory and Basic Applications Sensors photolithography interdigitated microelectrode arrays microband electrodes collection efficiency redox cycling substitutional stripping analysis detection of catecholamines neurotransmitters |
author_facet |
Peter Tomčík |
author_sort |
Peter Tomčík |
title |
Microelectrode Arrays with Overlapped Diffusion Layers as Electroanalytical Detectors: Theory and Basic Applications |
title_short |
Microelectrode Arrays with Overlapped Diffusion Layers as Electroanalytical Detectors: Theory and Basic Applications |
title_full |
Microelectrode Arrays with Overlapped Diffusion Layers as Electroanalytical Detectors: Theory and Basic Applications |
title_fullStr |
Microelectrode Arrays with Overlapped Diffusion Layers as Electroanalytical Detectors: Theory and Basic Applications |
title_full_unstemmed |
Microelectrode Arrays with Overlapped Diffusion Layers as Electroanalytical Detectors: Theory and Basic Applications |
title_sort |
microelectrode arrays with overlapped diffusion layers as electroanalytical detectors: theory and basic applications |
publisher |
MDPI AG |
series |
Sensors |
issn |
1424-8220 |
publishDate |
2013-10-01 |
description |
This contribution contains a survey of basic literature dealing with arrays of microelectrodes with overlapping diffusion layers as prospective tools in contemporary electrochemistry. Photolithographic thin layer technology allows the fabrication of sensors of micrometric dimensions separated with a very small gap. This fact allows the diffusion layers of single microelectrodes to overlap as members of the array. Various basic types of microelectrode arrays with interacting diffusion layers are described and their analytical abilities are accented. Theoretical approaches to diffusion layer overlapping and the consequences of close constitution effects such as collection efficiency and redox cycling are discussed. Examples of basis applications in electroanalytical chemistry such as amperometric detectors in HPLC and substitutional stripping voltammetry are also given. |
topic |
photolithography interdigitated microelectrode arrays microband electrodes collection efficiency redox cycling substitutional stripping analysis detection of catecholamines neurotransmitters |
url |
http://www.mdpi.com/1424-8220/13/10/13659 |
work_keys_str_mv |
AT petertomcik microelectrodearrayswithoverlappeddiffusionlayersaselectroanalyticaldetectorstheoryandbasicapplications |
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1716796997488345088 |