Fig. 10. Self-assembled h-BN domains on liquid metal. (a and b) SEM images of h-BN SASCA with circular edges. Reproduced with permission.⁷⁸ Copyright 2015, WILEY-VCH. (c) SEM image of the hierarchical h-BN super-ordered structure. (d) STEM image of the monolayer h-BN film exfoliated from the first layer. (c and d) Reproduced with permission.⁷⁹ Copyright 2018, WILEY-VCH. (e) Schematic illustration of growing the h-BN film on Au. (f) Photograph of the single-crystal h-BN film. (g) The growing process of the h-BN film at different times. (e–g) Reproduced with permission.⁸⁰ Copyright 2018, The Authors, published by American Association for the Advancement of Science (AAAS).