Journal
PHYSICA B-CONDENSED MATTER
Volume 535, Issue -, Pages 232-236Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physb.2017.07.042
Keywords
BaB8O13; Energy transfer; Phototherapy; Photoluminescence
Categories
Funding
- Board of Research in Nuclear Sciences (BRNS), Department of Atomic Energy, Government of India
- Department of Science and Technology (DST), New Delhi, INDIA under INSPIRE Fellowship programme [IF150675]
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A series of BaB8O13 phosphors doped with different concentrations of Gd3+ ions and co-doped with Pr3+ ions were synthesized by solid state synthesis method. X-ray powder diffraction (XRD) analysis confirmed the formation of the compound in a crystalline and homogeneous form. Scanning Electron Microscopy (SEM) was performed to study the surface morphology of the compound and Fourier Transform Infrared (FT-IR) spectroscopy measurements determined the nature of bonding between elements of the compounds. The photoluminescence (PL) excitation spectra of BaB8O13:Gd3+ phosphor showed excitation peaks at 246 nm, 252 nm and 274 nm. The prominent emission peak was observed at 313 nm which is in narrow band ultraviolet B (NB-UVB) range. Energy transfer was achieved by co-doping Pr3+ ions with Gd3+ ions. PL decay time was also measured for BaB8O13:Gd3+, Pr3+ phosphor. Emission at 313 nm can be used for the treatment of skin diseases.
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