Er<sup>3+</sup>-activated Ba<sub>2</sub>V<sub>2</sub>O<sub>7</sub> upconversion nanosheets for dual-mode temperature sensing
Satish Kumar Samal, Sahana Kulkarni, Jyoti Yadav, B. S. Naidu
Abstract
Downshifting and upconversion photoluminescence properties of Ba 2 V 2 O 7 :Er 3+ nanosheets are investigated. Temperature-dependent luminescence intensity ratios of thermally coupled as well as non-thermally coupled levels are used for temperature sensing.
Topics & Concepts
Photon upconversionMaterials sciencePhotoluminescenceLuminescenceOptoelectronicsDual modeNanotechnologyElectronic engineeringEngineeringLuminescence Properties of Advanced MaterialsGa2O3 and related materialsTransition Metal Oxide Nanomaterials