Figure 4. Possible energy surfaces (A) and CIE plots (B) of aromatic amino acids modified HBPSi aggregates. Reproduced with permission: Copyright 2022, American Chemical Society.[46] (C) Schematic diagram of the LE/TICT mechanisms and frontier molecular orbitals of HBPSi and HBPSi-Cys. (D) Emission spectra of HBPSi-Cys in different solvents. Insert: Fluorescence image of HBPSi-Cys. (E) Lippert-Mataga plot for HBPSi-Cys. Reproduced with permission: Copyright 2023, American Chemical Society.[47]