Visible and near-infrared luminescence properties of Nd<sup>3+</sup>/Yb<sup>3+</sup> co-doped Gd<sub>2</sub>O<sub>3</sub> phosphors for highly sensitive optical thermometry
Yuhong Zhang, Pengcheng Wang, Haiyan Wang, Xingke Zheng, Yibin Guo, Nan Zhang, Hang Liu
Abstract
The temperature sensing performances of non-thermally coupled levels of Gd 2 O 3 :Nd 3+ /Yb 3+ phosphors are investigated through the fluorescence intensity ratio technology. The maximum relative sensitivity of I 761 nm / I 550 nm reaches 6.54% K −1 .
Topics & Concepts
PhosphorAnalytical Chemistry (journal)LuminescenceMaterials sciencePhoton upconversionExcitationDopingIonInfraredFluorescenceChemistryOpticsOptoelectronicsPhysicsOrganic chemistryChromatographyQuantum mechanicsLuminescence Properties of Advanced MaterialsPerovskite Materials and ApplicationsOptical properties and cooling technologies in crystalline materials