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. 2021 Oct 6;14(19):5843. doi: 10.3390/ma14195843

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Schematic representation of: (a) graphene, (b) graphene oxide and (c) reduced graphene oxide. Figures adapted from ref. [37] Copyright Elsevier Ltd.@2020. (d) Octahedral (1T) and triangular (2H) prismatic structures of transition metal dichalcogenides (TMDCs). (e) Top and (f) side view of 1T and 2H structures. Figures adapted from ref. [38] Copyright IOP Publishing Ltd.@2015. (g) Schematic illustration of the production of MXenes from M_n+1AX_n phases. Taken and adapted from ref. [39]. Copyright Wikipedia @2021.