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Characterization of ZnS nanoparticles synthesized by co-precipitation method |
Parvaneh Iranmanesha, Samira Saeedniab, Mohsen Nourzpoora |
a Department of Physics, Vali-e-Asr University of Rafsanjan, 77139-36417 Rafsanjan, Iran; b Department of Chemistry, Vali-e-Asr University of Rafsanjan, 77139-36417 Rafsanjan, Iran |
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Abstract ZnS nanoparticles are prepared by homogeneous chemical co-precipitation method using EDTA as a stabilizer and capping agent. The structural, morphological, and optical properties of as-synthesized nanoparticles are investigated using x-ray diffraction, scanning electron microscopy, Fourier transform infrared spectroscopy, ultraviolet-visible (UV-Vis) absorption, and photoluminescence spectroscopy. The x-ray diffraction pattern exhibits a zinc-blended crystal structure at room temperature. The average particle size of the nanoparticles from the scanning electron microscopy image is about 50 nm. The ultraviolet absorption spectrum shows the blue shift in the band gap due to the quantum confinement effect. The photoluminescence spectrum of ZnS nanoparticles shows a blue visible spectrum.
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Received: 12 October 2014
Revised: 18 November 2014
Accepted manuscript online:
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PACS:
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61.82.Rx
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(Nanocrystalline materials)
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Corresponding Authors:
Parvaneh Iranmanesh
E-mail: p.iranmanesh@vru.ac.ir,p.iranmanesh@gmail.com
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Cite this article:
Parvaneh Iranmanesh, Samira Saeednia, Mohsen Nourzpoor Characterization of ZnS nanoparticles synthesized by co-precipitation method 2015 Chin. Phys. B 24 046104
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