title: Revision of structural properties of GdBO3 nanopowders doped with Eu3+ ions through spectroscopic studies.
abstract: Monoclinic Gd(1-x)Eu(x)BO(3) nanopowders were successfully synthesized using a modified Pechini method. The crystal structure of the prepared materials was revised and confirmed using several techniques such as: IR, XRD, TEM, Raman spectroscopy and EDX analysis. The obtained material was comprised of particles, consisting of parts with the average size 350 nm. The luminescence properties of the prepared phosphors with different concentrations of Eu(3+) ions were characterized by excitation and emission spectra and its kinetic decay. The Judd-Ofelt parameters (Ω(2), Ω(4)), quantum efficiency, η, and chromaticity coordinates were also calculated.
authors.affiliation: Faculty of Chemistry, Department of Rare Earths, Adam Mickiewicz University, Grunwaldzka 6, 60-780 Poznan, Poland.
authors.forename: Agata
authors.initials: A
authors.lastname: Szczeszak
authors.forename: Tomasz
authors.initials: T
authors.lastname: Grzyb
authors.forename: Stefan
authors.initials: S
authors.lastname: Lis
authors.forename: Rafal J
authors.initials: RJ
authors.lastname: Wiglusz