Fig. 5: The synthesis of MXenes from MAX phase by Lewis acid etching. | npj 2D Materials and Applications

Fig. 5: The synthesis of MXenes from MAX phase by Lewis acid etching.

From: Recent advances of MXenes as electrocatalysts for hydrogen evolution reaction

Fig. 5

a Surface etching and delamination of MXenes in molten salts. b TEM image of Ti3C2Cl2 MXenes flakes. c Negative zeta potential of the delaminated MXenes in N-methylformamide (NMF). d The correlation of the in-plane lattice constant (a) and surface group (Tn) for Ti2CTn and Ti3C2Tn MXenes. e Surface groups and the corresponding biaxial straining of Ti3C2Tn MXenes lattice. f, g Electronic transport and superconductivity in Nb2CTn MXenes60. Copyright 2020, American Association for the Advancement of Science.

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