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Harshita Chawla,Amrish Chandra,Pravin Popinand Ingole,Seema Garg 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.95 No.-
In the recent past decade, layered bismuth metal oxides (Bi2MO6, M = W, Mo and Cr) have establishedsubstantial consideration comparable to bismuth oxyhalides (BiOX, X = Cl, Br, I and F) for its emergingpotential towards its photocatalytic applications in clean energy production and environmentalremediation. Their electronic band structure characterises appropriate band-gap for visible lightphotocatalytic activity. The photocatalytic activities of these materials can be deliberately incrementedusing various strategies including formation of heterojunction, modification of interface, usingsensitizers, metal and non-metal doping, development of composites, and formation of oxygenvacancies. Nevertheless, its visible light applications limit up due to higher recombination ofphotoinduced charge carriers. This review systematically encapsulates electronic spectra, strategiesimplemented for higher separation of charge carriers, and establishing its potential in thefield of cleanenergyproduction as well as degrading manageable and recalcitrant pollutants. Finally, the currentscenario and future aspects of using Bi2MO6 photocatalysts are summarised.