Negative thermal quenching and optically stable Tb <sup>3+</sup> -doped tungstate phosphor for high temperature lighting and advanced thermometry applications
R. Kiran, S. Masilla Moses Kennedy, A. Princy, M.I. Sayyed, Aljawhara H. Aalmuqrin, Sudha D. Kamath
Abstract
This study reports the anomalous temperature-dependent luminescence behaviour of Tb 3+ -doped Ca 2 MgWO 6 double perovskite phosphors designed for multifunctional optical and temperature sensing applications.
Topics & Concepts
PhosphorMaterials scienceLuminescenceOptoelectronicsTungstateQuenching (fluorescence)ThermalTemperature measurementPerovskite (structure)TerbiumLight-emitting diodeAnalytical Chemistry (journal)DiodePhotoluminescenceOpticsPersistent luminescenceThermal stabilityBlack-body radiationPhotodetectorLuminescence Properties of Advanced MaterialsThermal Expansion and Ionic ConductivityTransition Metal Oxide Nanomaterials