fig5

Figure 5. Compounds filling: (A) ACTEM analysis and schematic representation of the PbI₂@SWCNT. Blue: Pb atoms; yellow: I atoms (Reproduced with permission^[109]. Copyright 2013, Wiley). (B) HRTEM image and corresponding simulation image of an encapsulated bilayer CsSnI₃ perovskite-like polymeric structure derived from CsSnI₃ (Reproduced with permission^[53]. Copyright 2023, Wiley). (C) ACTEM photos, crystal structure, and geometric optimization models of PtS₂ (Reproduced with permission^[106]. Copyright 2017, The Royal Society of Chemistry). (D) TEM and ACTEM images of NbSe₃ single strand in DWCNTs, atomic structure model (red: Se, blue: Nb) (Reproduced with permission^[51]. Copyright 2018, The American Association for the Advancement of Science). (E) From top to bottom are the ADF-STEM images of MTe₃ single-stranded carbon nanotubes. Illustration below ADF-STEM: ADF-STEM image simulation (left) with the appropriate microscope condition noise added from the structure calculated by the DFT (right) (Reproduced with permission^[50]. Copyright 2021, American Chemical Society).