Abstract
Abstract In recent time, the major issue faced by the society is to get clean water for the drinking purpose. One of the most common chemical that renders water unsafe for drinking is industrial dyes. Out of so many dyes, Methylene Blue (MB) dye is the one that is used in textiles causing dye effluent contamination. It is non-biodegradable, poisonous and carcinogenic which is hazardous for environment and human health. Therefore, it is necessary to create an effective, environmentally acceptable method of removing MB from wastewater. Nowadays, metal oxides-based semiconductor is used as a photo catalyst for removing organic dye in wastewater. But their photocatalytic efficiency is constrained due to large forbidden gap and large recombination time of electron hole pairs. Thus, researchers continuously worked to improve the degradation efficiency using a dopant or by forming nanocomposites. Therefore, in the current review article, the synthesis method of metal oxide (MO) nanoparticles and their photocatalytic efficiency toward MB dye have been discussed.
Published Version
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