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Inherent electrochemistry and charge transfer properties of few-layered two-dimensional Ti3C2Tx MXene

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Abstract

We report the effect of the Ti3C2Tx MXene flake thickness on its inherent electrochemistry and heterogeneous charge transfer characteristics. It is shown that Ti3C2Tx undergoes irreversible oxidation in a positive potential window, which strongly depends on the flake thickness and pH of the electrolyte. Few-layered Ti3C2Tx exhibits faster electron transfer kinetics (k0 = 0.09533 cm s−1) with a [Fe(CN)6]4−/3− redox mediator compared to multi-layered Ti3C2Tx (k0 = 0.00503 cm s−1). In addition, the few-layered free standing Ti3C2Tx film electrode remains intact after enduring irreversible oxidation.

Graphical abstract: Inherent electrochemistry and charge transfer properties of few-layered two-dimensional Ti3C2Tx MXene

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Publication details

The article was received on 06 Mar 2018, accepted on 24 May 2018 and first published on 25 May 2018


Article type: Paper
DOI: 10.1039/C8NR01883A
Citation: Nanoscale, 2018, Advance Article
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    Inherent electrochemistry and charge transfer properties of few-layered two-dimensional Ti3C2Tx MXene

    P. Nayak, Q. Jiang, R. Mohanraman, D. Anjum, M. N. Hedhili and H. N. Alshareef, Nanoscale, 2018, Advance Article , DOI: 10.1039/C8NR01883A

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