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Structural and Electronic Properties and Stability of MXenes Ti2C and Ti3C2 Functionalized by Methoxy Groups

机译:甲氧基官能化的MXenes Ti2C和Ti3C2的结构和电子性质及稳定性

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摘要

The properties of MXenes, a new group of quasi-2D d-metal carbide or nitride nanomaterials derived from the MAX phases by chemical exfoliation, can be very sensitive to the presence of surface functional groups. Herein, the MXenes Ti2C and Ti3C2 functionalized by methoxy groups are considered by means of the density functional theory tight-binding method. Their structural and electronic properties and relative stability are discussed in comparison with related and experimentally fabricated hydroxy derivatives of MXenes.
机译:MXenes是通过化学剥离从MAX相衍生而来的一组新的准2D d-金属碳化物或氮化物纳米材料,其性质对表面官能团非常敏感。在此,通过密度泛函理论紧密结合法考虑被甲氧基官能化的MXenes Ti2C和Ti3C2。与MXenes的相关和实验制备的羟基衍生物相比,讨论了它们的结构和电子性能以及相对稳定性。

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