fig6

Figure 6. (A) Schematic illustration of the design and molecular structures of the RVDA molecules TPE-PO and TPE-PS; (B) Frontier molecular orbitals of TPE-PS and picric acid; (C) Dynamic sensing mechanism. This figure is adapted from Ref.^[35] Copyright © 2022 The Royal Society of Chemistry. PET: Photo-induced electron transfer; LUMO:the lowest unoccupied molecular orbital; HOMO: the highest occupied molecular orbital; AIE: aggregation-induced emission; RVDA: resonance variation-based dynamically adaptive.