ENHANCED UV EMISSION IN YTTRIUM-DOPED ZnS NANOPARTICLES SYNTHESIZED BY PRECIPITATION METHOD

Nachimuthu Suganthi () and Kuppusamy Pushpanathan
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Nachimuthu Suganthi: Nanomaterials Research Laboratory, Department of Physics, Government Arts College, Karur 639 005, India
Kuppusamy Pushpanathan: Nanomaterials Research Laboratory, Department of Physics, Government Arts College, Karur 639 005, India

Surface Review and Letters (SRL), 2018, vol. 25, issue 03, 1-12

Abstract: This paper deals with the effect of yttrium doping on the structural and optical properties of zinc sulphide (ZnS) nanoparticles with nanoparticulated mesoporous. The morphology of the nanoparticles is determined by FESEM and it shows that the particles are spherical shape. HRSEM images show that particle size and agglomerated nature of the samples are augmented when doping concentration increases. Transmission electron microscope images probe the spherical shape of the nanoparticles as well as small number of inter particle mesoporous with intra-particles. The selected area electron diffraction images validate the crystalline and cubic nature of the synthesized samples. The presence of intra-particles is corroborated by XRD and FTIR spectra. X-ray diffraction’s results also confirm that the synthesized nanoparticles are crystallized in zinc blende structure. The diffuse reflectance spectra indicate that 5wt.% of yttrium-doped zinc sulphide shows higher reflectance than the undoped ZnS. Thus photoluminescence studies suggest that 5wt.% of yttrium-doped ZnS sample may be used for the development of supersensitive ultraviolet detector.

Keywords: Inter particle mesoporous; ultraviolet emission; high reflectance (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1142/S0218625X18500634

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