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Synthesis of two-dimensional titanium nitride Ti4N3 (MXene)
Journal article

Synthesis of two-dimensional titanium nitride Ti4N3 (MXene)

Patrick Urbankowski, Babak Anasori, Taron Makaryan, Dequan Er, Sankalp Kota, Patrick L Walsh, Mengqiang Zhao, Vivek B Shenoy, Michel W Barsoum and Yury Gogotsi
Nanoscale, v 8(22), pp 11385-11391
02 Jun 2016
DOI: https://doi.org/10.1039/c6nr02253g
PMID: 27211286
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

ESI Highly Cited Paper (Incites)
We report on the synthesis of the first two-dimensional transition metal nitride, Ti4N3-based MXene. In contrast to the previously reported MXene synthesis methods - in which selective etching of a MAX phase precursor occurred in aqueous acidic solutions - here a molten fluoride salt is used to etch Al from a Ti4AlN3 powder precursor at 550 °C under an argon atmosphere. We further delaminated the resulting MXene to produce few-layered nanosheets and monolayers of Ti4N3Tx, where T is a surface termination (F, O, or OH). Density functional theory calculations of bare, non-terminated Ti4N3 and terminated Ti4N3Tx were performed to determine the most energetically stable form of this MXene. Bare and functionalized Ti4N3 are predicted to be metallic. Bare Ti4N3 is expected to show magnetism, which is significantly reduced in the presence of functional groups.

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1114 citations in Web of Science
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Collaboration types
Domestic collaboration
Web of Science research areas
Chemistry, Multidisciplinary
Materials Science, Multidisciplinary
Nanoscience & Nanotechnology
Physics, Applied
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