Multicolor and multimodal luminescence in an Er<sup>3+</sup> single-doped double perovskite for advanced anti-counterfeiting and encryption
Sixia Li, Peng Zhang, Zhenbing Wang, Yuzhu Yang, Xuan Miao, Weisheng Liu
Abstract
The Er 3+ single-doped NaGdTi 1.8 Al 0.2 O 6 double perovskite material achieves multicolor luminescence, afterglow, and upconversion emission by responding to several types of excitation ranging from UV to NIR and thermal disturbance.
Topics & Concepts
AfterglowLuminescenceDopingMaterials sciencePerovskite (structure)ExcitationPhoton upconversionOptoelectronicsRare earthCrystallographyChemistryPhysicsMetallurgyGamma-ray burstQuantum mechanicsAstronomyPerovskite Materials and ApplicationsLuminescence Properties of Advanced MaterialsLuminescence and Fluorescent Materials