Synthesis and characterization of tunable color upconversion luminescence beta-NaGdF4:Yb3+,Er3+ nanoparticles

Journal of Materials Science-Materials in Electronics v. 30, n. 18, p. 16856-16863, 2019 2.195 10.1007/s10854-019-01462-2 Khan, L. U.; Khan, Z. U. ; Rodrigues, R. V.; Costa, L. S. da; Gidlund, G. A. ; Brito, H. F. 2019