An AIE-active acridine functionalized spiro[fluorene-9,9′-xanthene] luminophore with mechanoresponsive luminescence for anti-counterfeiting, information encryption and blue OLEDs

A tetra-acridine substituted spiro[fluorene-9,9′-xanthene] (SFX-Ad) compound is demonstrated as a multifunctional luminophore applied to anti-counterfeiting, information encryption, and blue OLEDs.