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    Two-dimensional titanium carbide MXenes and their emerging applications as electrochemical sensors

    Yu, Tian and Breslin, Carmel B. (2020) Two-dimensional titanium carbide MXenes and their emerging applications as electrochemical sensors. Journal of the Electrochemical Society, 167 (037514). ISSN 0013-4651

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    MXenes, new two-dimensional transition metal carbides and nitrides, are attracting considerable attention as multifunctional materials in various research fields due to their high surface area, hydrophilicity, good mechanical properties, metallic-like conduction and adsorption characteristics, combined with the ability to tailor the surface properties with functional groups. In this review, the applications of MXenes as electrochemical sensors are summarised and discussed. The review is focused on Ti3C2Tx as these are the only MXenes that have so far been considered as electrochemical sensors, primarily due to the fact that they have metallic-like conduction and can be easily formed as single and multi-layered flakes through chemical etching of the parent MAX phase. The fabrication of the Ti3C2Tx-based sensors is first described and then followed by an account of their applications as electrochemical sensors, for the detection of small molecules, environmental contaminants and biosensors for biomedical sensing applications. Finally, their overall stability when exposed to aqueous media, which will have implications in the future development of MXene-based sensors, is discussed together with their future prospects as electrochemical-based sensors.

    Item Type: Article
    Additional Information: © The Author(s) 2019. Published by ECS. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY,, which permits unrestricted reuse of the work in any medium, provided the original work is properly cited. [DOI: 10.1149/2.0142003JES] Cite as: Tian Yu and Carmel B. Breslin 2020 J. Electrochem. Soc. 167 037514 Funding: This work was supported by the Department of Chemistry at Maynooth University and by Science Foundation Ireland (MTR1261).
    Keywords: Two-Dimensional Titanium Carbide MXenes; applications of MXenes; Electrochemical Sensors; Ti3C2Tx;
    Academic Unit: Faculty of Science and Engineering > Chemistry
    Item ID: 13744
    Identification Number:
    Depositing User: Dr. Carmel Breslin
    Date Deposited: 07 Dec 2020 16:53
    Journal or Publication Title: Journal of the Electrochemical Society
    Publisher: Electrochemical Society
    Refereed: Yes
    Funders: Science Foundation Ireland (SFI)
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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