Volume 2 Number 4 (Jul. 2012)
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IJAPM 2012 Vol.2(4): 287-289 ISSN:2010-362X
DOI: 10.7763/IJAPM.2012.V2.114

Structural and Optical Properties of Chemically Synthesized ZnS Nanostructures

Bhaskarjyoti Bodo, Ranjit Singha, and Sukumar Chandra Das

Abstract—In the present work ZnS nanoparticles were synthesized by chemical co-precipitation method at room temperature. The structural properties of ZnS nanoparticles were determined by XRD (X-ray Diffraction), TEM (Tunneling Electron Microscopy) and their optical properties by UV-Visible and PL (Photoluminescence) analyses. XRD analysis showed that sample prepared were the cubic Zinc blende structure with particles’ size in the ranges 5nm -12nm. The TEM analysis revealed the formation of ZnS nanoparticles with almost uniform shape and size. In optical characterization the UV_Visible spectra show a large blue shift. In PL analysis, three strong and board emission bands located at 365nm, 400nm and 425nm have been observed. It is well known that the luminescent peak centered at 365nm could be assigned to the UV-excitonic emission and other peaks attributing to the sulfur vacancy.

Index Terms—HRTEM, PL & quantum dots etc

The authors are with the Department of Physics, Assam University, Diphu Campus, Diphu-782462, and India (e-mail: jyotibodo@yahoo.co.in, ranjit_thingom@yahoo.com, jyotibodo@gmail.com).

 

Cite: Bhaskarjyoti Bodo, Ranjit Singha, and Sukumar Chandra Das, "Structural and Optical Properties of Chemically Synthesized ZnS Nanostructures," International Journal of Applied Physics and Mathematics  vol. 2, no. 4, pp. 287-289, 2012.

General Information

ISSN: 2010-362X
Frequency: Bimonthly (2011-2014); Quarterly (Since 2015)
DOI: 10.17706/IJAPM
Editor-in-Chief: Prof. Haydar Akca
Abstracting/ Indexing: Index Copernicus, EI (INSPEC, IET), Chemical Abstracts Services (CAS), Electronic Journals Library, Nanowerk Database, Google Scholar, EBSCO, and ProQuest
E-mail: ijapm@iap.org
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