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- Title
PHOTOLUMINESCENCE AND THERMOLUMINESCNCE OF BaS:Ce NANOPHOSPHORS.
- Authors
Singh, S.; Lochab, S. P.; Kumar, R.; Singh, N.
- Abstract
We have synthesized the cerium doped barium sulfide nanophorsphors of average grain size of 38 nm by solid state diffusion method using sodium thiosulfate as a flux. The samples are characterized by XRD, TEM and PL.Also the thermoluminescnce studies of these samples are studied after exposed the UV radiation. The average grain size of particles is found about 38 nm which is confirmed by TEM. In photoluminescence spectra there is main peak at 540 nm which corresponds to green color and also a shoulder at 600 nm. In TL spectra there are two peaks at 373k and 650k while corresponding peak in their bulk counterparts was reported at 365 k. The effect of different heating rates has also been discussed.
- Subjects
NANOSTRUCTURES; NANOELECTROMECHANICAL systems; X-ray diffraction; X-ray diffractometers; PHOTOLUMINESCENCE; RESONANCE lamps; THERMOLUMINESCENCE; THERMALLY stimulated currents; PHOSPHORS; ULTRAVIOLET radiation
- Publication
Chalcogenide Letters, 2010, Vol 7, Issue 8, p497
- ISSN
1841-4834
- Publication type
Article