In vitro assays and nanothermometry studies of infrared-to- visible upconversion of nanocrystalline Er3+,Yb3+ co-doped Y2O3 nanoparticles for theranostic applications

Abstract

Luminescent spherical and monodisperse Er3+, Yb3+ co-doped Y2O3 nanoparticles were synthesized by homogenous precipitation followed by annealing. These nanoparticles exhibits high cell viability. On the basis of luminescence nanotermometry, the nanoparticles exhibits features of primary thermometer with high thermal sensitivity.