A light-fueled dissipative aggregation-induced emission system for time-dependent information encryption
Caixia Yang, Hangxiang Xiao, Zichen Luo, Li Tang, Bailin Dai, Ningbo Zhou, Enxiang Liang, Guoxiang Wang, Jianxin Tang
Abstract
A light-fueled dissipative aggregation-induced emission (LDAIE) system is successfully fabricated based on reversible electrostatic interactions between cationic AIE luminogens (AIEgens) and anionic spiropyran (ASP) transformed from sulfonato-merocyanine photoacid (SMEH) upon 420 nm light irradiation. The novel LDAIE system can exhibit reversible and spontaneous AIE fluorescence on/off, showing potential in time-dependent information encryption with self-erasing ability. This work opens new opportunities to fabricate a unique fluorescent anti-counterfeiting platform with high-level security.
Topics & Concepts
MerocyanineSpiropyranDissipative systemFluorescenceCationic polymerizationAggregation-induced emissionEncryptionPhotochemistryChemistryMaterials scienceComputer sciencePhotochromismPolymer chemistryOpticsPhysicsQuantum mechanicsOperating systemLuminescence and Fluorescent MaterialsPhotochromic and Fluorescence ChemistryPhotoreceptor and optogenetics research