Open Access
Chemosensors, volume 11, issue 2, pages 74
Applying of C8-BTBT-Based EGOFETs at Different pH Values of the Electrolyte
Polina A Shaposhnik
1, 2
,
Anton A. Abramov
1
,
Askold A. Trul
1
,
Daniil S Anisimov
1
,
Elena A Kretova
1
,
Elena V Agina
1
,
Publication type: Journal Article
Publication date: 2023-01-17
Physical and Theoretical Chemistry
Analytical Chemistry
Abstract
Electrolyte-gated organic field-effect transistors (EGOFETs) is a popular platform for numerous sensing and biosensing applications in aqueous media. In this work, the variation of electrical characteristics of EGOFETs based on small-molecule organic semiconductor C8-BTBT and polystyrene blend in water solutions at different pH values was investigated. A positive shift of the threshold voltage with near-Nernstian pH sensitivity was demonstrated in the pH range from 4.9 to 2.8, while no measurable pH dependence in the range from 4.9 to 8.6 pH was registered. These results indicate chemical doping of the molecules of organic semiconductors by protons from the electrolyte in the acidic region. In order to check the applicability of the EGOFETs in a flow mode, a flow chamber was designed and assembled. The preliminary results obtained in the flow mode measurements showed a fast response to pH variation.
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Chemosensors
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Russian Chemical Reviews
1 publication, 50%
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Citations by publishers
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Multidisciplinary Digital Publishing Institute (MDPI)
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
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Shaposhnik P. A. et al. Applying of C8-BTBT-Based EGOFETs at Different pH Values of the Electrolyte // Chemosensors. 2023. Vol. 11. No. 2. p. 74.
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Shaposhnik P. A., Poimanova E. Y., Abramov A. A., Trul A. A., Anisimov D. S., Kretova E. A., Agina E. V., Ponomarenko S. A. Applying of C8-BTBT-Based EGOFETs at Different pH Values of the Electrolyte // Chemosensors. 2023. Vol. 11. No. 2. p. 74.
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TY - JOUR
DO - 10.3390/chemosensors11020074
UR - https://doi.org/10.3390/chemosensors11020074
TI - Applying of C8-BTBT-Based EGOFETs at Different pH Values of the Electrolyte
T2 - Chemosensors
AU - Shaposhnik, Polina A
AU - Poimanova, Elena Y
AU - Abramov, Anton A.
AU - Trul, Askold A.
AU - Anisimov, Daniil S
AU - Kretova, Elena A
AU - Agina, Elena V
AU - Ponomarenko, Sergey A.
PY - 2023
DA - 2023/01/17 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 74
IS - 2
VL - 11
SN - 2227-9040
ER -
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@article{2023_Shaposhnik,
author = {Polina A Shaposhnik and Elena Y Poimanova and Anton A. Abramov and Askold A. Trul and Daniil S Anisimov and Elena A Kretova and Elena V Agina and Sergey A. Ponomarenko},
title = {Applying of C8-BTBT-Based EGOFETs at Different pH Values of the Electrolyte},
journal = {Chemosensors},
year = {2023},
volume = {11},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {jan},
url = {https://doi.org/10.3390/chemosensors11020074},
number = {2},
pages = {74},
doi = {10.3390/chemosensors11020074}
}
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Shaposhnik, Polina A., et al. “Applying of C8-BTBT-Based EGOFETs at Different pH Values of the Electrolyte.” Chemosensors, vol. 11, no. 2, Jan. 2023, p. 74. https://doi.org/10.3390/chemosensors11020074.