Fig. 11. Controllability of orientations by tuning the growth conditions. (a) Schematic showing the directions of the MoS₂ domains with increasing S precursor. Reproduced with permission.⁹¹ Copyright 2017, American Chemical Society. (b) Schematic illustration of the experimental setup of the MoS₂ growth. (c) STEM images showing the MoS₂ domain boundary. (b and c) Reproduced with permission.⁸⁴ Copyright 2020, American Chemical Society. (d) SEM images of the MoS₂ domains growing on the Au (111) and Au (100) facets, respectively. Reproduced with permission.⁹² Copyright 2020, IOP Publishing. (e) LEED patterns of 8 regions indicating the single-crystalline nature of the MoS₂ film. (f) Schematic illustration showing the preparation of the single-crystal Au (111) film and the growth process of MoS₂. (g) SEM images of the MoS₂ film after water oxidation formed by misaligned domains and aligned domains, respectively. (h) Orientations of MoS₂ domains at different S/Mo ratios and statistical histograms of the rotation angle of the MoS₂ domains. (e–h) Reproduced with permission.⁸⁷ Copyright 2020, American Chemical Society.