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Journal of Materials Science

, Volume 43, Issue 19, pp 6539–6545 | Cite as

Photoluminescent properties of ZnS:Mn nanoparticles with in-built surfactant

  • Zinki JindalEmail author
  • N. K. Verma
Article

Abstract

Mn-doped ZnS nanoparticles, having average diameter 3–5 nm, have been synthesized using chemical precipitation technique without using any external capping agent. Zinc blende crystal structure has been confirmed using the X-ray diffraction studies. The effect of various concentrations of Mn doping on the photoluminescent properties of ZnS nanoparticles has been studied. The time-resolved photoluminescence spectra of the ZnS:Mn quantum dots have been recorded and various parameters like lifetimes, trap depths, and decay constant have been calculated from the decay curves at room temperature. The band gap was calculated using UV–Visible absorption spectra.

Keywords

Trap Depth Chemical Precipitation Method Orange Emission Yellowish Green Band Escape Frequency Factor 

Notes

Acknowledgement

We acknowledge Defence Research and Development Organisation (DRDO), Government of India, for their generous funding for the research work vide their letter No. ERIP/ER/0504321/M/01/855 dated 16th December 2005.

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  1. 1.School of Physics & Materials ScienceThapar UniversityPatialaIndia

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