Figure 5. Schematic illustration of the multiring TSCs (A) and frontier molecular orbital (B) of the linear polysiloxane contains disulfide bond. Reproduced with permission: Copyright 2021, American Chemical Society.[49] Schematic diagram of the possible fluorescence mechanism (C) and TSC (D) of linear polysiloxane contains C=C-Si-O-C=O segment. Reproduced with permission: Copyright 2022, The Royal Society of Chemistry.[50]