Indian Journal of Pure and Applied Physics

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To Study the Impact of Mn Doping on Structural, Morphological and Optical Properties of Zinc Sulfide


Affiliations
1 Department of Physics, COBS&H, CCS Haryana Agricultural University, Hisar, Haryana 125 004, India
2 Department of Agronomy, COA, CCS Haryana Agricultural University, Hisar, Haryana 125 004, India
 

By utilising hydrothermal approach undoped and Mn-doped ZnS was synthesized and characterized by using X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX), Field emission scanning electron microscopy (FE-SEM), Fourier transform infrared spectroscopy (FT-IR) and UV-Visible spectroscopy. The XRD pattern confirmed the cubic sphalerite crystal structure of prepared nanoparticles. Due to Mn doping, size of crystallite for all the samples was increased. FE-SEM images showed spherical morphology of synthesized samples. The EDX spectrum confirms the presence of Mn in the doped sample. FTIR spectrum showed that doping shifts the position of Zn-S absorption band. A red shift was observed in the absorption maxima and the bandgap was decreased with increasing doping percentage from 0 to 10%.

Keywords

Optical properties; Tuneable band gap; Morphology; Doping; Crystallite size.
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  • To Study the Impact of Mn Doping on Structural, Morphological and Optical Properties of Zinc Sulfide

Abstract Views: 86  |  PDF Views: 51

Authors

Janvi
Department of Physics, COBS&H, CCS Haryana Agricultural University, Hisar, Haryana 125 004, India
Smriti Sihag
Department of Physics, COBS&H, CCS Haryana Agricultural University, Hisar, Haryana 125 004, India
Mamta Bulla
Department of Physics, COBS&H, CCS Haryana Agricultural University, Hisar, Haryana 125 004, India
Rita Dahiya
Department of Physics, COBS&H, CCS Haryana Agricultural University, Hisar, Haryana 125 004, India
Nitin Bhardwaj
Department of Agronomy, COA, CCS Haryana Agricultural University, Hisar, Haryana 125 004, India
Vinay Kumar
Department of Physics, COBS&H, CCS Haryana Agricultural University, Hisar, Haryana 125 004, India

Abstract


By utilising hydrothermal approach undoped and Mn-doped ZnS was synthesized and characterized by using X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX), Field emission scanning electron microscopy (FE-SEM), Fourier transform infrared spectroscopy (FT-IR) and UV-Visible spectroscopy. The XRD pattern confirmed the cubic sphalerite crystal structure of prepared nanoparticles. Due to Mn doping, size of crystallite for all the samples was increased. FE-SEM images showed spherical morphology of synthesized samples. The EDX spectrum confirms the presence of Mn in the doped sample. FTIR spectrum showed that doping shifts the position of Zn-S absorption band. A red shift was observed in the absorption maxima and the bandgap was decreased with increasing doping percentage from 0 to 10%.

Keywords


Optical properties; Tuneable band gap; Morphology; Doping; Crystallite size.

References