Efficient sono-photocatalytic degradation of methylene blue using nickel molybdate nanosheets under diffused sunlight

Abstract

The present study reported here introduces hydrothermally synthesized ?-NiMoO4 nanosheets as sono-photocatalysts for the degradation of methylene blue (MB) dye under diffused sunlight. The as-synthesized ?-NiMoO4 nanosheets showed ?98% sono-photocatalytic adsorption and degradation of methylene blue under the diffused sunlight in 150 min. The photocatalytic performance of ?-NiMoO4 nanosheets has been scrutinized experimentally and the results have been thoroughly compared with the recent reports having relevancy to the wider literature. It has been inferred that, the planar structure along with the presence of nickel, accelerates the electron transfer processes and also the generation of free radicals under diffused sunlight. In addition, the synergic effect of ultrasound with light has further enhanced the dye degradation efficiency of ?-NiMoO4 nanosheets, a promising material for photocatalytic applications. � 2017 Elsevier Ltd.