Band gap engineering and enhanced photoluminescence of Mg doped ZnO nanoparticles synthesized by wet chemical route

M Arshad, MM Ansari, AS Ahmed, P Tripathi… - Journal of …, 2015 - Elsevier
M Arshad, MM Ansari, AS Ahmed, P Tripathi, SSZ Ashraf, AH Naqvi, A Azam
Journal of Luminescence, 2015Elsevier
In the present investigations Mg doped ZnO nanoparticles were synthesized using sol–gel
method. Mg doping in nanoparticles was found to be a good method for tuning of band gap
and photoluminescence of ZnO nanoparticles. Simultaneously, Mg doping also inhibited the
growth of particle size and it decreased from 36.1 to 13.5 nm with the increase in doping
concentration from 0% to 12%. Optical band gap was found to increase from 3.23 to 3.47 eV
and photoluminescence studies revealed that visible PL emission was enhanced with …
Abstract
In the present investigations Mg doped ZnO nanoparticles were synthesized using sol–gel method. Mg doping in nanoparticles was found to be a good method for tuning of band gap and photoluminescence of ZnO nanoparticles. Simultaneously, Mg doping also inhibited the growth of particle size and it decreased from 36.1 to 13.5 nm with the increase in doping concentration from 0% to 12%. Optical band gap was found to increase from 3.23 to 3.47 eV and photoluminescence studies revealed that visible PL emission was enhanced with doping concentration.
Elsevier
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