Triplet–triplet annihilation upconversion combined with afterglow phosphors for multi-dimensional anti-counterfeiting and encoding
Xin Zhao, Shuoran Chen, Changqing Ye, Lin Li, Yanqing Hu, Xiaomei Wang, Yanlin Song
Abstract
A multi-mode luminescent system combining triplet–triplet annihilation upconversion with afterglow phosphors through energy transfer is demonstrated and applied for multi-dimensional anti-counterfeiting and encoding applications.
Topics & Concepts
AfterglowPhosphorPhoton upconversionAnnihilationMaterials scienceEncoding (memory)OptoelectronicsNuclear physicsPhysicsDopingComputer scienceAstrophysicsArtificial intelligenceGamma-ray burstLuminescence and Fluorescent MaterialsLuminescence Properties of Advanced MaterialsRadiation Detection and Scintillator Technologies