Figure 9. (A) Photographs of a latent fingerprint under 365 nm
UV light. (B) Demonstration of the data encryption using HBPSi
derivatives. Reproduced with permission: Copyright 2022, American
Chemical Society.[46] (C) Schematic representation
of fluorescence quenching and recovery of HBPSi towards
Fe3+. (D) Schematic illustration of the encryption and
decryption utilizing the quenching effect of Fe3+.
Reproduced with permission: Copyright 2020, The Royal Society of
Chemistry.[41]