Upconversion luminescence and temperature measurement performance of Ho<sup>3+</sup>/Yb<sup>3+</sup> and Tm<sup>3+</sup>/Yb<sup>3+</sup> codoped Na<sub>5</sub>Rb<sub>7</sub>Sc<sub>2</sub>(WO<sub>4</sub>)<sub>9</sub> phosphors
Olga A. Lipina, Yana V. Baklanova, Tatyana Spiridonova, Elena G. Khaikina
Abstract
New series of Ho 3+ /Yb 3+ and Tm 3+ /Yb 3+ codoped Na 5 Rb 7 Sc 2 (WO 4 ) 9 upconversion phosphors crystallizing in the trigonal system (S.G. R 32) have been prepared. The studied tungstates are promising materials for non-contact temperature measurements.
Topics & Concepts
PhosphorPhoton upconversionYtterbiumMaterials scienceLuminescenceAnalytical Chemistry (journal)Trigonal crystal systemDopingCrystallographyChemistryCrystal structureOptoelectronicsChromatographyLuminescence Properties of Advanced MaterialsRadiation Detection and Scintillator TechnologiesSolid-state spectroscopy and crystallography