Flexible Regulation of Optical Properties Based on Structure Size-Driven Intermolecular Interactions for Phototherapy.

ABSTRACT: The precise control of optical properties in molecular systems remains a challenge for phototherapy. Herein, the strategic combination of aggregation-caused quenching (ACQ) and aggregation-induced emission (AIE) molecule creates ACQ@AIE bimolecular systems with tunable optical properties, which are almost unattainable by single-component materials. Through systematic investigation of three ACQ@AIE bimolecular systems, it is established that molecule structure size differentials dictate their intermolecular interactions and consequent optical behaviors. Crucially, AIE molecule with a smaller structure size promotes ACQ molecule clustering to enhance the photothermal effect, while when the size becomes larger, particularly approaching that of ACQ molecule, facilitating π-π stacking and boost

SUBMITTER: Gong Z 

PROVIDER: S-EPMC12279202 | biostudies-literature | 2025 Jul

REPOSITORIES: biostudies-literature