Experimental and theoretical study of catalytic dye degradation and bactericidal potential of multiple phase Bi and MoS<sub>2</sub> doped SnO<sub>2</sub> quantum dots

Industrial dye contamination in wastewater poses significant environmental challenges, necessitating the development of efficient photocatalysts for degradation. In this work, we investigate the In doping effect in the photocatalytic activity of zinc oxide (ZnO) nanoparticles for effective RhB degradation. Indium-doped ZnO nanoparticles were synthesized via sol–gel method and x-ray diffraction (XRD) analysis revealed a wurtzite hexagonal structure, with the crystallite size being varying from 65 nm to 53 nm with the introduction of In content. XPS measurements on the 3% In-doped ZnO sample revealed distinct core level spectra for In 3d, Zn 2p, and O 1s regions, confirming the presence of indium, zinc, and oxygen. Brunauer–Emmett–Teller (BET) analysis revealed increased surface area and pore size, with specific surface areas escalating from 0.9 m²/g for pure ZnO to 10.1 m²/g for 3% indium-doped ZnO. Photocatalytic experiments exhibited significant RhB degradation, with degradation efficiencies reaching 93% for 3% indium-doped ZnO under visible light irradiation due to the effect of the presence of In, which causing light absorption enhancement, narrow the band gap and improve charge carrier separation. These findings underscore the potential of indium-doped ZnO nanoparticles as efficient and sustainable photocatalysts for wastewater treatment, offering a promising avenue to address environmental challenges associated with industrial dye-contaminated effluents. Graphical Abstract

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Experimental and theoretical study of catalytic dye degradation and bactericidal potential of multiple phase Bi and MoS₂ doped SnO₂ quantum dots

Abstract: In the present study, different concentrations (1 and 3%) of Bi were incorporated into a fixed amount of molybdenum disulfide and SnO2 quantum dots by co-precipitation technique. This research aimed to increase the efficacy of dye degradation and bactericidal behavior of SnO2.

Cited by 11 publications

References 75 publications

First principle study of the effect of doping on the optoelectronic properties of Cr-adsorbed MoS2

First principle study of the effect of doping on the optoelectronic properties of Cr-adsorbed MoS2

Novel photocatalyst for fast treatment of ciprofloxacin and crystal violet pollutants: In3+-doped CuO/CuMn2O4 nanocomposite

Visible light-driven removal of Rhodamine B using indium-doped zinc oxide prepared by sol–gel method

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Experimental and theoretical study of catalytic dye degradation and bactericidal potential of multiple phase Bi and MoS2 doped SnO2 quantum dots

Abstract: In the present study, different concentrations (1 and 3%) of Bi were incorporated into a fixed amount of molybdenum disulfide and SnO2 quantum dots by co-precipitation technique. This research aimed to increase the efficacy of dye degradation and bactericidal behavior of SnO2.

Cited by 11 publications

References 75 publications

First principle study of the effect of doping on the optoelectronic properties of Cr-adsorbed MoS2

First principle study of the effect of doping on the optoelectronic properties of Cr-adsorbed MoS2

Novel photocatalyst for fast treatment of ciprofloxacin and crystal violet pollutants: In3+-doped CuO/CuMn2O4 nanocomposite

Visible light-driven removal of Rhodamine B using indium-doped zinc oxide prepared by sol–gel method

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Experimental and theoretical study of catalytic dye degradation and bactericidal potential of multiple phase Bi and MoS₂ doped SnO₂ quantum dots