4.7 Article

Synthesis of two-dimensional molybdenum carbide, Mo2C, from the gallium based atomic laminate MO2Ga2C

Journal

SCRIPTA MATERIALIA
Volume 108, Issue -, Pages 147-150

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2015.07.003

Keywords

2D materials; Layered structures; MXene; Transmission electron microscopy (TEM); Energy dispersive X-ray spectroscopy (EDS)

Funding

  1. European Research Council under the European Community [258509]
  2. Swedish Research Council (VR) [642-2013-8020, 621-2012-4425]
  3. KAW Fellowship program
  4. SSF synergy Grant FUNCASE

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We report on the synthesis of a two-dimensional transition metal carbide, MO2C, (MXene) obtained by immersing Mo2Ga2C thin films in hydrofluoric acid. Experimental evidences for neither synthesis of a Mo-based MXene nor selective etching of Ga from an atomic nanolaminate have previously been presented. MXene formation is verified through X-ray diffraction, transmission electron microscopy, and energy dispersive X-ray spectroscopy. This discovery unlocks new potential applications for Mo-based MXenes in a host of applications, from thermoelectrics to catalysis and energy storage. (C) 2015 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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