Simultaneous negative thermal quenching luminescence of upconversion and downshifting processes in Al<sub>2</sub>(WO<sub>4</sub>)<sub>3</sub>:Yb/Er phosphors with low thermal expansion
Haokun Yan, Renfu Li, Liuzhen Feng, Yiqi Yu, Guoliang Gong, Haiping Huang, He‐Rui Wen, Jinsheng Liao
Abstract
The thermally enhanced luminescence mechanism of Al 2 (WO 4 ) 2 :Yb/Er with low thermal expansion is revealed. High sensitivity of optical thermometry is realized via the difference in red/green luminescence temperature response.
Topics & Concepts
LuminescencePhosphorMaterials sciencePhoton upconversionQuenching (fluorescence)ThermalAnalytical Chemistry (journal)Thermal expansionOptoelectronicsFluorescenceOpticsThermodynamicsMetallurgyChemistryPhysicsChromatographyLuminescence Properties of Advanced MaterialsOptical properties and cooling technologies in crystalline materialsSolid State Laser Technologies