Structural and Optical Characteristics of Ni Doped ZnS Nanoparticles

G. Murali; D. Amaranatha Reddy; Vijayalakshmi Raguru; R. Venugopal

doi:10.4028/www.scientific.net/AMR.678.159

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 678Structural and Optical Characteristics of Ni Doped...

Structural and Optical Characteristics of Ni Doped ZnS Nanoparticles

Abstract:

Nanocrystalline ZnS and Ni doped ZnS powders were synthesized by a simple chemical co-precipitation method at room temperature using sodium sulfide and acetates of Zinc and Nickel. 2-Mercapto ethanol is used as a capping agent. Structural and optical properties of as prepared samples were characterized using X-Ray diffraction (XRD), Scanning electron microscopy (SEM), Energy Dispersive Analysis using X-rays (EDAX) and Photoluminescence studies (PL). EDAX measurements confirmed the presence of Zn, Ni and S in the prepared samples. XRD analysis reveals that the Zn1-xNixS (x= 0.00 and 0.01) nanoparticles crystallized in zincblende structure. The average particle sizes of the nanoparticles are in the range of 2-3 nm. Shifting of photo luminescence peak to higher wavelength along with intensity quenching is observed for doped ZnS nanocrystals (NCs).

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Periodical:

Advanced Materials Research (Volume 678)

Pages:

159-162

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.678.159

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Online since:

March 2013

Authors:

G. Murali, D. Amaranatha Reddy, Vijayalakshmi Raguru, R. Venugopal

Keywords:

Nanocrystal, Photoluminescence (PL), Quenching, ZnS:Ni

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