Abstract
CaLa4Si3O13 phosphors were successfully prepared by the sol-gel method by incorporating different amounts of Gd3+ ions as dopant. The crystalline phase and compositional arrangement of the host lattice were elucidated by XRD and FT-IR. The crystal sizes of the prepared samples were evaluated using the Scherrer formula. The luminescent properties of the CaLa4Si3O13:Gd3+ phosphors were studied by using PL spectroscopy. The electron paramagnetic resonance spectra of the sample revealed resonance signals arising on account of Gd3+ ion occupancy at sites with low symmetry. The studies conducted for the prepared samples confirmed that Gd3+ ions in the CaLa4Si3O13 matrix are useful as UVB emitters.
Published Version
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