A pyridinium salt with crystalline phase transformation under water vapor and reversible mechanochromic luminescent properties
Yi Chen, Xiaoning Li, Weilong Che, Liangjing Tu, Yujun Xie, Zhen Li
Abstract
The pyridinium salt of CPBBr undergoes crystalline phase transformation under water vapor, accompanied by emission turn-on from deep blue to green. The reversible mechanochromism luminescence indicates the formation of a charge transfer excimer.
Topics & Concepts
PyridiniumLuminescenceMaterials scienceSalt (chemistry)ExcimerPhase (matter)PhotochemistryVapor phaseTransformation (genetics)Chemical engineeringFluorescenceOptoelectronicsPhysical chemistryOrganic chemistryChemistryOpticsThermodynamicsBiochemistryEngineeringGenePhysicsLuminescence and Fluorescent MaterialsMolecular Sensors and Ion DetectionPorphyrin and Phthalocyanine Chemistry