Open Access
Micromachines, volume 12, issue 12, pages 1569
Modeling the Double Layer Capacitance Effect in Electrolyte Gated FETs with Gel and Aqueous Electrolytes
1
Department of Electronics Engineering, Carleton University, Ottawa, ON K1S 5B6, Canada
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Publication type: Journal Article
Publication date: 2021-12-17
Journal:
Micromachines
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 3.4
ISSN: 2072666X, 2072666X
Electrical and Electronic Engineering
Mechanical Engineering
Control and Systems Engineering
Abstract
Potential implementation of bio-gel Electrolyte Double Layer capacitors (bio-gel EDLCs) and electrolyte-gated FET biosensors, two commonly reported configurations of bio-electrolytic electronic devices, requires a robust analysis of their complex internal capacitive behavior. Presently there is neither enough of the parameter extraction literature, nor an effective simulation model to represent the transient behavior of these systems. Our work aims to supplement present transient thin film transistor modelling techniques with the reported parameter extraction method, to accurately model both bio-gel EDLC and the aqueous electrolyte gated FET devices. Our parameter extraction method was tested with capacitors analogous to polymer-electrolyte gated FETs, electrolyte gated Field effect transistor (EGOFET) and Organic Electrolyte Gated Field Effect Transistor (OEGFET) capacitance stacks. Our method predicts the input/output electrical behavior of bio-gel EDLC and EGOFET devices far more accurately than conventional DLC techniques, with less than 5% error. It is also more effective in capturing the characteristic aqueous electrolyte charging behavior and maximum charging capability which are unique to these systems, than the conventional DLC Zubieta and the Two branch models. We believe this significant improvement in device simulation is a pivotal step towards further integration and commercial implementation of organic bio-electrolyte devices. The effective reproduction of the transient response of the OEGFET equivalent system also predicts the transient capacitive effects observed in our previously reported label-free OEGFET biosensor devices. This is the first parameter extraction method specifically designed for electrical parameter-based modelling of organic bio-electrolytic capacitor devices.
Top-30
Citations by journals
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IEEE Journal on Flexible Electronics
2 publications, 28.57%
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IEEE Sensors Letters
2 publications, 28.57%
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Russian Chemical Reviews
1 publication, 14.29%
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Citations by publishers
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4
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IEEE
4 publications, 57.14%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 14.29%
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Massey R., Prakash R. Modeling the Double Layer Capacitance Effect in Electrolyte Gated FETs with Gel and Aqueous Electrolytes // Micromachines. 2021. Vol. 12. No. 12. p. 1569.
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Massey R., Prakash R. Modeling the Double Layer Capacitance Effect in Electrolyte Gated FETs with Gel and Aqueous Electrolytes // Micromachines. 2021. Vol. 12. No. 12. p. 1569.
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TY - JOUR
DO - 10.3390/mi12121569
UR - https://doi.org/10.3390/mi12121569
TI - Modeling the Double Layer Capacitance Effect in Electrolyte Gated FETs with Gel and Aqueous Electrolytes
T2 - Micromachines
AU - Massey, Roslyn
AU - Prakash, Ravi
PY - 2021
DA - 2021/12/17 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 1569
IS - 12
VL - 12
SN - 2072-666X
SN - 2072-666X
ER -
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@article{2021_Massey,
author = {Roslyn Massey and Ravi Prakash},
title = {Modeling the Double Layer Capacitance Effect in Electrolyte Gated FETs with Gel and Aqueous Electrolytes},
journal = {Micromachines},
year = {2021},
volume = {12},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {dec},
url = {https://doi.org/10.3390/mi12121569},
number = {12},
pages = {1569},
doi = {10.3390/mi12121569}
}
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Massey, Roslyn, and Ravi Prakash. “Modeling the Double Layer Capacitance Effect in Electrolyte Gated FETs with Gel and Aqueous Electrolytes.” Micromachines, vol. 12, no. 12, Dec. 2021, p. 1569. https://doi.org/10.3390/mi12121569.