Study of size dependent photoluminescence properties of copper doped sodium hexametaphosphate capped ZnS nanoparticles

Copper doped ZnS nanoparticles stabilized by sodium hexametaphosphate (SHMP) have been prepared via the wet chemical method using thiourea and sodium sulphide as chalcogenide sources. The XRD pattern showed that ZnS nanoparticles had zinc blende structure and line broadening suggests the formation o...

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Veröffentlicht in:	Journal of luminescence 2012-06, Vol.132 (6), p.1564-1567
Hauptverfasser:	Tiwari, A., Khan, S.A., Kher, R.S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Capping Condensed matter: electronic structure, electrical, magnetic, and optical properties Copper Different chalcogenide sources Exact sciences and technology Line broadening Nanocrystals and nanoparticles Nanoparticles Optical absorption Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures Photoluminescence Physics SHMP Sodium Zinc Zinc sulfides ZnS:Cu nanoparticles
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Beschreibung
Zusammenfassung:	Copper doped ZnS nanoparticles stabilized by sodium hexametaphosphate (SHMP) have been prepared via the wet chemical method using thiourea and sodium sulphide as chalcogenide sources. The XRD pattern showed that ZnS nanoparticles had zinc blende structure and line broadening suggests the formation of an amorphous compound. Absorption measurements were done for three different concentrations of dopant concentrations. The PL spectrum for the sample synthesized using Na2S·9H2O showed a sharp emission peak around 510nm with full width at half maximum (FWHM)
ISSN:	0022-2313 1872-7883
DOI:	10.1016/j.jlumin.2012.01.036