Fig. 9: Stacking order modifications induced by intercalation. | npj 2D Materials and Applications

Fig. 9: Stacking order modifications induced by intercalation.

From: Intercalation as a versatile tool for fabrication, property tuning, and phase transitions in 2D materials

Fig. 9

a Stacking reordering of BP layer by Na intercalation215. b In situ TEM image of lithiation process of MoS2 nanosheet. (i, ii) Real time TEM images of the lithiation process showing propagation of the reaction front; (iii) edge area showing distortion of the layer structure; (iv–vi) in situ EDPs showing the evolution of the structure. EDP of pristine MoS2 (iv) shows 6-fold symmetry, followed with 2 × 2 superstructure reflections in (v) and diffraction spots of Li2S in (vi)220. c Schematic representation of phase transition from 1T-MoS2 to 2H-MoS2 using Ionic Liquid (ILs) interaction and deintercalation.225 d Polarization curves of 2H-MoS2 and IL intercalated 1T-MoS2225. Panel a adapted with permission from ref. 215 Chemistry of Materials, 29, 1350–1356 (2017). Copyright (2017) American Chemical Society; panel b reprinted with permission from Springer Nature Publications Science China Chemistry220, Copyright (2018), advance online publication 29 August 2017 (https://doi.org/10.1007/s11426-017-9128-0, Sci. China Chem.); panels c, d reused with permission from John Wiley and Sons/Reddy Inta et al.225.

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