AIEgen with Fluorescence-Phosphorescence Dual Mechanoluminescence at Room Temperature

Angew Chem Int Ed Engl. 2017 Jan 16;56(3):880-884. doi: 10.1002/anie.201610453. Epub 2016 Dec 9.

Abstract

We report the first example of an AIEgen (DPP-BO) with fluorescence-phosphorescence dual emission under mechanical stimulation. By carefully analyzing the crystal structure of DPP-BO, the efficient intermolecular and intramolecular interactions should account for its unique mechanoluminescence (ML) properties, especially the abnormal phosphorescence, as further confirmed by controlled experiments and theoretical calculations for the presence of ISC transitions. These results provide important information for understanding the complex ML process, possibly opening up a new way to study the inherent mechanism of ML by broadening the application of AIEgens.

Keywords: aggregation-induced emission; fluorescence; mechanoluminescence; phosphorescence.

Publication types

  • Research Support, Non-U.S. Gov't