Abstract
In the present work influence of aluminium and calcium in the structural, optical properties and the photocatalytic performance of zinc oxide (ZnO) nanoparticles are studied. Pure, 2 wt% aluminium doped, 2 wt% calcium doped and 2 wt% aluminium 2 wt% calcium codoped ZnO nanoparticles are synthesized using sol-gel route. The structural, morphological and optical properties are investigated using XRD, SEM, EDAX, UV–vis spectroscopy and photoluminescence spectroscopy. The synthesized nanoparticles are spherical in shape and are crystallized well with wurtize phase. Discrete narrow emission spectra are obtained in photoluminescence spectroscopy. The prepared samples were subjected to photocatalytic degradation with methylene blue dye and a substantial photocatalytic performance is observed with calcium doped ZnO nanoparticles.
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