fig4

Figure 4. Organic compounds filling: (A) A series of high-resolution images of C₆₀ molecules gradually bonded (Reproduced with permission^[61]. Copyright 2010, Springer Nature). (B) A series of successive HRTEM images of (Ce@C₈₂)@SWCNT and their schematic representation (Reproduced with permission^[93]. Copyright 2004, Wiley). (C) Structural diagram of octasiloxane Si₈H₈O₁₂; HRTEM micrograph and structural diagram of Si₈H₈O₁₂@SWCNT (Reproduced with permission^[95]. Copyright 2005, American Chemical Society). (D) AC-HRTEM and simulated images of @SWCNT and {W₁₂}@SWCNT, respectively (Reproduced with permission^[89]. Copyright 2019, Wiley). (E) Model illustration of Viol inside a metallic SWCNT, representative AC-HRTEM image of Viol@SWCNT and SEM image of a Viol@SWCNT (Reproduced with permission^[21]. Copyright 2017, Wiley).