Synthesis and studies on structural and optical properties of zinc oxide and manganese-doped zinc oxide nanoparticles
https://doi.org/10.17586/2220-8054-2016-7-6-1024-1030
Abstract
Wet chemical techniques have been used to synthesize undoped and Mn-doped nanoparticles at room temperature. Highly stable pure and 5.0 weight% Mn-doped ZnO nanoparticles have been prepared. The morphologies, structures and optical properties of the as-prepared samples were characterized by X-ray powder diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy and UV-Vis spectra. The results clearly reveled that both the pure and doped samples had a wurtzite hexagonal phase. The SEM studies illustrated that grain size decreases with Mn doping, with average diameter ∼30 nm, which is in good agreement with the average crystalline size calculated by Scherrer’s formula. The strong absorption band in the UV region for the prepared samples can be attributed to the band edge absorption of the wurtzite hexagonal ZnO.
Supporting agencies: The author N. Joseph John acknowledges the University Grants Commission for providing financial support (No. F-MRP-4962/14 (MRP/UGC-SERO)).
About the Authors
S. Ajin Sundar
Government Arts College
India
India
Department of Physics
Udhagamandalam, Tamilnadu, Pin – 643002
N. Joseph John
Sethupathy Government Arts College
India
India
Department of Physics
Ramanathapuram, Tamilnadu, Pin – 623502
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Review
For citations:
Sundar S.A., John N.J. Synthesis and studies on structural and optical properties of zinc oxide and manganese-doped zinc oxide nanoparticles. Nanosystems: Physics, Chemistry, Mathematics. 2016;7(6):1024-1030. https://doi.org/10.17586/2220-8054-2016-7-6-1024-1030
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