Advanced Functional Materials, volume 29, issue 44, pages 1904403

Membrane‐Free Detection of Metal Cations with an Organic Electrochemical Transistor

Shofarul Wustoni ¹

Craig Combe ²

David Ohayon ¹

Mahmood Hassan Akhtar ¹

Iain McCulloch ^{2, 3}

Sahika Inal ¹

Hide authors affiliations Show authors affiliations: 3 affiliations

King Abdullah University of Science and Technology (KAUST)Biological and Environmental Science and Engineering Thuwal 23955‐6900 Saudi Arabia |

King Abdullah University of Science and Technology (KAUST)Physical Science and Engineering KAUST Solar Center Thuwal 23955‐6900 Saudi Arabia |

Department of Chemistry and Center for Plastic ElectronicImperial College London London SW7 2AZ UK |

Publication type: Journal Article

Publication date: 2019-08-25

Wiley

Journal: Advanced Functional Materials

Quartile SCImago

Quartile WOS

Impact factor: 19

ISSN: 1616301X, 16163028

DOI: 10.1002/adfm.201904403

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Electronic, Optical and Magnetic Materials

Electrochemistry

Condensed Matter Physics

Biomaterials

Abstract

Alkali-metal ions, particularly sodium (Na+) and potassium (K+), are the messengers of living cells, governing a cascade of physiological processes through the action of ion channels. Devices that can monitor, in real time, the concentrations of these cations in aqueous media are in demand not only for the study of cellular machinery, but also to detect conditions in the human body that lead to electrolyte imbalance. In this work, conducting polymers are developed that respond rapidly and selectively to varying concentrations of Na+ and K+ in aqueous media. These polymer films, bearing crown-ether-functionalized thiophene units specific to either Na+ or K+, generate an electrical output proportional to the cation type and concentration. Using electropolymerization, the ion-selective polymers are integrated as the gate electrode of an organic electrochemical transistor (OECT). The OECT current changes with respect to the concentration of the ion to which the polymer electrode is selective. Designed as a single, miniaturized chip, the OECT enables the selective detection of the cations within a physiologically relevant range. These electrochemical ion sensors require neither ion-selective membranes nor a reference electrode to operate and have the potential to surpass existing technologies for the detection of alkali-metal ions in aqueous media.

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Advanced Science	Advanced Science, 2, 2.3% Advanced Science 2 publications, 2.3%
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ACS Materials Au	ACS Materials Au, 1, 1.15% ACS Materials Au 1 publication, 1.15%
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MRS Bulletin	MRS Bulletin, 1, 1.15% MRS Bulletin 1 publication, 1.15%
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Journal of Hazardous Materials	Journal of Hazardous Materials, 1, 1.15% Journal of Hazardous Materials 1 publication, 1.15%
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	5 10 15 20 25 30 35
Wiley	Wiley, 32, 36.78% Wiley 32 publications, 36.78%
American Chemical Society (ACS)	American Chemical Society (ACS), 16, 18.39% American Chemical Society (ACS) 16 publications, 18.39%
Elsevier	Elsevier, 11, 12.64% Elsevier 11 publications, 12.64%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 10, 11.49% Royal Society of Chemistry (RSC) 10 publications, 11.49%
Springer Nature	Springer Nature, 7, 8.05% Springer Nature 7 publications, 8.05%
American Institute of Physics (AIP)	American Institute of Physics (AIP), 2, 2.3% American Institute of Physics (AIP) 2 publications, 2.3%
Frontiers Media S.A.	Frontiers Media S.A., 2, 2.3% Frontiers Media S.A. 2 publications, 2.3%
IOP Publishing	IOP Publishing, 2, 2.3% IOP Publishing 2 publications, 2.3%
Multidisciplinary Digital Publishing Institute (MDPI)	Multidisciplinary Digital Publishing Institute (MDPI), 1, 1.15% Multidisciplinary Digital Publishing Institute (MDPI) 1 publication, 1.15%
Cambridge University Press	Cambridge University Press, 1, 1.15% Cambridge University Press 1 publication, 1.15%
IEEE	IEEE, 1, 1.15% IEEE 1 publication, 1.15%
Taylor & Francis	Taylor & Francis, 1, 1.15% Taylor & Francis 1 publication, 1.15%
Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii	Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii, 1, 1.15% Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii 1 publication, 1.15%
	5 10 15 20 25 30 35

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Wustoni S. et al. Membrane‐Free Detection of Metal Cations with an Organic Electrochemical Transistor // Advanced Functional Materials. 2019. Vol. 29. No. 44. p. 1904403.

GOST all authors (up to 50) Copy

Wustoni S., Combe C., Ohayon D., Akhtar M. H., McCulloch I., Inal S. Membrane‐Free Detection of Metal Cations with an Organic Electrochemical Transistor // Advanced Functional Materials. 2019. Vol. 29. No. 44. p. 1904403.

RIS |

Cite this

RIS Copy

TY - JOUR

DO - 10.1002/adfm.201904403

UR - https://doi.org/10.1002/adfm.201904403

TI - Membrane‐Free Detection of Metal Cations with an Organic Electrochemical Transistor

T2 - Advanced Functional Materials

AU - Combe, Craig

AU - Akhtar, Mahmood Hassan

AU - McCulloch, Iain

AU - Inal, Sahika

AU - Wustoni, Shofarul

AU - Ohayon, David

PY - 2019

DA - 2019/08/25 00:00:00

PB - Wiley

SP - 1904403

IS - 44

VL - 29

SN - 1616-301X

SN - 1616-3028

ER -

BibTex |

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BibTex Copy

@article{2019_Wustoni,

author = {Craig Combe and Mahmood Hassan Akhtar and Iain McCulloch and Sahika Inal and Shofarul Wustoni and David Ohayon},

title = {Membrane‐Free Detection of Metal Cations with an Organic Electrochemical Transistor},

journal = {Advanced Functional Materials},

year = {2019},

volume = {29},

publisher = {Wiley},

month = {aug},

url = {https://doi.org/10.1002/adfm.201904403},

number = {44},

pages = {1904403},

doi = {10.1002/adfm.201904403}

}

MLA

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MLA Copy

Wustoni, Shofarul, et al. “Membrane‐Free Detection of Metal Cations with an Organic Electrochemical Transistor.” Advanced Functional Materials, vol. 29, no. 44, Aug. 2019, p. 1904403. https://doi.org/10.1002/adfm.201904403.

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Wiley

Journal

Advanced Functional Materials

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Quartile WOS

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1616301X (Print)
16163028 (Electronic)