Burstein Moss effect in nanocrystalline CaS : Ce

The nanocrystalline CaS: Ce nanophosphors are synthesized by wet chemical co-precipitation method. The particles possess an average size of 10 nm as calculated using Debye-Scherrer formula. The particle size and the crystalline nature of the formed nanoparticles are confirmed by TEM micrograph. The...

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Veröffentlicht in:	Bulletin of materials science 2011-07, Vol.34 (4), p.673-676
Hauptverfasser:	Sharma, Geeta, Chawla, Puja, Lochab, S. P., Singh, Nafa
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption spectroscopy Bursting Cerium Chemical synthesis Chemistry and Materials Science Engineering Materials Science Micrographs Moss Nanocomposites Nanocrystals Nanomaterials Nanophosphors Nanostructure Photomicrographs
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Zusammenfassung:	The nanocrystalline CaS: Ce nanophosphors are synthesized by wet chemical co-precipitation method. The particles possess an average size of 10 nm as calculated using Debye-Scherrer formula. The particle size and the crystalline nature of the formed nanoparticles are confirmed by TEM micrograph. The optical studies are carried out using UV-Vis absorption spectroscopy. The absorption edge is found to show blue shift with increasing cerium concentration. The shift may be attributed to Burstein Moss effect.
ISSN:	0250-4707 0973-7669
DOI:	10.1007/s12034-011-0180-7