Reversible transformation of all-inorganic copper halide perovskite nanocrystals for anti-counterfeiting
Yueming Wang, Yuchen Yan, Dan Li, Wenbo Zhao, Shuhua Chen, Qixuan Zhong, Jun Liu, Fousseyni Diarra, Muhan Cao, Qiao Zhang
Abstract
CsI stripping/insertion enable the reversible transformation between blue-emissive Cs 3 Cu 2 I 5 and yellow-emissive CsCu 2 I 3 upon moisture/evaporation treatment.
Topics & Concepts
HalideNanocrystalCopperPerovskite (structure)EvaporationMoistureTransformation (genetics)Stripping (fiber)Materials scienceChemical engineeringInorganic chemistryPhotochemistryChemistryNanotechnologyCrystallographyMetallurgyComposite materialGenePhysicsBiochemistryEngineeringThermodynamicsPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films