Affiliation:
1. Vinca Institute of Nuclear Sciences, Belgrade
2. Faculty of Physics, Belgrade
Abstract
SrY2O4 phosphors were doped with different concentrations of Eu3+ (0.5, 1, 2,
4, 8 and 10 at %) in order to investigate the maximal doping concentration
of Eu3+ and its implementation in solar cell devices. Samples were
synthesized by a combustion method using citric acid and glycine as a fuel.
The X-ray diffraction (XRD) patterns confirmed pure phase of SrY2O4. FE-SEM
micrographs showed agglomerate phenomenon with spherical-like shape
particles and diameter of about 50 nm. Upon excitation with 280 nm, emission
spectra were recorded in the range from 450-750 nm and in all samples the
same energy transitions were observed 5D0 ? 7FJ (J = 1, 2, 3 and 4) with
maximal intensity for sample with 8 at % of Eu3+. That sample was further
examined for the purpose of application in solar cell devices and showed
high value of efficiency at low light intensities.
Funder
Ministry of Education, Science and Technological Development of the Republic of Serbia
Publisher
National Library of Serbia
Subject
Materials Chemistry,Metals and Alloys,Condensed Matter Physics,Ceramics and Composites
Cited by
4 articles.
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