An excitation wavelength-dependent color-tunable La4GeO8: Bi3+, Er3+ phosphor for multicolor anticounterfeiting
Kui Liu, Chang‐Dai Si, Lingling Lv, Huixue Li, Jianbin Zhang
Topics & Concepts
PhosphorMaterials scienceLuminescenceOptoelectronicsWavelengthLaserUltravioletExcitationBlue lightPhoton upconversionOpticsElectrical engineeringEngineeringPhysicsLuminescence Properties of Advanced MaterialsLuminescence and Fluorescent MaterialsPerovskite Materials and Applications