Fig. 13

a Schematic illustration of fabrication of 2D vdW heterostructured SnO/In₂O₃ film. b The HRTEM image of heterostructured SnO/In₂O₃ films. c The HRTEM image of atomic structure of heterostructured films show the high crystalline structure of SnO and In₂O₃ film with their lattice spacing distance. d The AFM of heterostructured SnO/In₂O₃ film with e the profile thickness of the films. f The Raman spectra of SnO, In₂O₃ and SnO/ In₂O₃ 2D films. g The optical absorption of SnO, In₂O₃ and SnO/ In₂O₃ 2D films. h The band alignment of SnO/ In₂O₃ 2D heterostructures. Reprinted with permission from [167]