Simultaneously excited downshifting/upconversion luminescence from lanthanide-doped core–shell lead-free perovskite nanocrystals for encryption and data storage
Endian Cui, Gaoyuan Xing, Xiangyang Yuan, Yi Zhang, Flavia Artizzu, Xiaoling Liao, Jianfeng Tang, Yanan Zhao, Pengzhou Zhao, Kai Liu, Jing Liu
Abstract
The constructed Cs 2 AgInCl 6 -based core–shell NCs with separated optically active centers can not only prevent the adverse energy interactions between dopants, but also achieve dual-modal PL in the visible region and improved photostability.
Topics & Concepts
Materials scienceNanocrystalLuminescenceDopingPerovskite (structure)Excited stateLanthanidePhoton upconversionOptoelectronicsNanotechnologyChemical engineeringChemistryIonAtomic physicsPhysicsEngineeringOrganic chemistryPerovskite Materials and ApplicationsLuminescence Properties of Advanced MaterialsOptical properties and cooling technologies in crystalline materials