Synthesis and characterization of two-dimensional Nb4C3 (MXene)

M. Ghidiu; M. Naguib; C. Shi; O. Mashtalir; L. M. Pan; B. Zhang; J. Yang; Y. Gogotsi; S. J. L. Billinge; M. W. Barsoum

doi:10.1039/C4CC03366C

Synthesis and characterization of two-dimensional Nb₄C₃ (MXene)†

M. Ghidiu,^a M. Naguib,‡^a C. Shi,^b O. Mashtalir,^a L. M. Pan,^c B. Zhang,^c J. Yang,*^ca Y. Gogotsi,^a S. J. L. Billinge^bd and M. W. Barsoum*^a

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* Corresponding authors

^a Department of Materials Science and Engineering and A. J. Drexel Nanomaterials Institute, Drexel University, Philadelphia, Pennsylvania 19104, USA
E-mail: barsoumw@drexel.edu

^b Department of Applied Physics and Applied Mathematics, Columbia University, New York, New York 10027, USA

^c College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China
E-mail: jianyang.nj@gmail.com

^d Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA

Abstract

We report on the synthesis of a phase-pure, 2-dimensional transition metal carbide Nb₄C₃, produced by immersing Nb₄AlC₃ powders in hydrofluoric acid. The structure of this, only second MXene with formula M₄X₃, was investigated with pair distribution function analysis. The resistivity of a cold-pressed disc was 0.0046 Ω m, rendering this MXene one of the most conductive to date.

This article is part of the themed collection: ChemComm 60th Anniversary Historic Papers from China

Chemical Communications

Synthesis and characterization of two-dimensional Nb₄C₃ (MXene)†

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Synthesis and characterization of two-dimensional Nb₄C₃ (MXene)

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