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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/229832
Identifying the Atomic Layer Stacking of Mo2C MXene by Probe Molecule Adsorption
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A density functional theory study is presented here aimed at investigating whether the atomic stacking on the new family of two-dimensional MXene materials has an influence on their adsorption properties and whether these properties can provide information about this structural feature. To this end, the Mo2C MXene, exhibiting two nearly degenerate crystal structures with either ABC or ABA atomic stacking, is chosen as a case study. The study of the adsorption of CO, CO2, and H2O on both polymorphs of Mo2C reveals substantial differences that could be used in experiments to provide information about the atomic stacking of a given sample. Particularly, we show that the asymmetric and symmetric stretching modes of the adsorbed CO2 and the CO stretching mode are clear features that allow one to identify the stacking of atomic layers of the Mo2C MXene. The present finding is likely to apply to other MXenes as well.
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JURADO, Anna, et al. Identifying the Atomic Layer Stacking of Mo2C MXene by Probe Molecule Adsorption. Journal of Physical Chemistry C. 2021. Vol. 125, num. 48, pags. 26808-26813. ISSN 1932-7447. [consulted: 6 of July of 2026]. Available at: https://hdl.handle.net/2445/229832