Electrochemical Performance of Micropillar Array Electrodes in Microflows Article Swipe
Bo Liu
,
Chuanwen Lv
,
Chaozhan Chen
,
Bin Ran
,
Minbo Lan
,
Huaying Chen
,
Yonggang Zhu
·
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.3390/mi11090858
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.3390/mi11090858
The microchip-based electrochemical detection system (μEDS) has attracted plenty of research attention due to its merits including the capability in high-density integration, high sensitivity, fast analysis time, and reduced reagent consumption. The miniaturized working electrode is usually regarded as the core component of the μEDS, since its characteristic directly determines the performance of the whole system. Compared with the microelectrodes with conventional shapes such as the band, ring and disk, the three-dimensional (3D) micropillar array electrode (μAE) has demonstrated significant potential in improving the current response and decreasing the limits of detection due to its much larger reaction area. In this study, the numerical simulation method was used to investigate the performance of the μEDS, and both the geometrical and hydrodynamic parameters, including the micropillars shape, height, arrangement form and the flow rate of the reactant solution, were taken into consideration. The tail effect in μAEs was also quantitatively analyzed based on a pre-defined parameter of the current density ratio. In addition, a PDMS-based 3D μAE was fabricated and integrated into the microchannel for the electrochemical detection. The experiments of cyclic voltammetry (CV) and chronoamperometry (CA) were conducted, and a good agreement was found between the experimental and simulation results. This study would be instructive for the configuration and parameters design of the μEDS, and the presented method can be adopted to analyze and optimize the performance of nanochip-based electrochemical detection system (nEDS).
Related Topics
Concepts
Chronoamperometry
Microchannel
Microelectrode
Electrode
Materials science
Electrochemistry
Current density
Cyclic voltammetry
Current (fluid)
Nanotechnology
Analytical Chemistry (journal)
Optoelectronics
Chemistry
Electrical engineering
Chromatography
Engineering
Quantum mechanics
Physics
Physical chemistry
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/mi11090858
- https://www.mdpi.com/2072-666X/11/9/858/pdf
- OA Status
- gold
- Cited By
- 18
- References
- 51
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3085372594
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
-
https://openalex.org/W3085372594Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.3390/mi11090858Digital Object Identifier
- Title
-
Electrochemical Performance of Micropillar Array Electrodes in MicroflowsWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2020Year of publication
- Publication date
-
2020-09-17Full publication date if available
- Authors
-
Bo Liu, Chuanwen Lv, Chaozhan Chen, Bin Ran, Minbo Lan, Huaying Chen, Yonggang ZhuList of authors in order
- Landing page
-
https://doi.org/10.3390/mi11090858Publisher landing page
- PDF URL
-
https://www.mdpi.com/2072-666X/11/9/858/pdfDirect link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://www.mdpi.com/2072-666X/11/9/858/pdfDirect OA link when available
- Concepts
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Chronoamperometry, Microchannel, Microelectrode, Electrode, Materials science, Electrochemistry, Current density, Cyclic voltammetry, Current (fluid), Nanotechnology, Analytical Chemistry (journal), Optoelectronics, Chemistry, Electrical engineering, Chromatography, Engineering, Quantum mechanics, Physics, Physical chemistryTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
18Total citation count in OpenAlex
- Citations by year (recent)
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2025: 3, 2024: 7, 2023: 3, 2022: 3, 2021: 2Per-year citation counts (last 5 years)
- References (count)
-
51Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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