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Investigation of Morphology-Modified Bi2WO6 Nanoparticles with Surface Plasmon Resonance Effect for the Enhanced Photocatalytic Degradation of Organic Dyes: Toxicity Estimation and In Silico Studies
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    Investigation of Morphology-Modified Bi2WO6 Nanoparticles with Surface Plasmon Resonance Effect for the Enhanced Photocatalytic Degradation of Organic Dyes: Toxicity Estimation and In Silico Studies
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    • K. Hemkumar
      K. Hemkumar
      Department of Chemistry, The Gandhigram Rural Institute − Deemed to be University, Dindigul, Tamil Nadu 624 302, India
      More by K. Hemkumar
    • G Vignesh
      G Vignesh
      Department of Chemistry, The Gandhigram Rural Institute − Deemed to be University, Dindigul, Tamil Nadu 624 302, India
      More by G Vignesh
    • Pius Anitha*
      Pius Anitha
      Department of Chemistry, The Gandhigram Rural Institute − Deemed to be University, Dindigul, Tamil Nadu 624 302, India
      *E-mail: [email protected]
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    ACS Applied Nano Materials

    Cite this: ACS Appl. Nano Mater. 2024, 7, 18, 21284–21295
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    https://doi.org/10.1021/acsanm.4c02238
    Published September 13, 2024
    Copyright © 2024 American Chemical Society

    Abstract

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    The advanced oxidation process involves photocatalytic degradation, which is a propitious method of treating wastewater. However, to augment the photocatalytic activity of photocatalysts, the surface plasmon resonance (SPR) method is a highly promising candidate. Herein, we prepared bismuth (Bi) and tungsten (W)-based metal oxide (Bi2WO6) coupled with Ag as a semiconducting metal oxide-based plasmon resonance photocatalyst. Despite the SPR effect, the aggregation of particles lowers the efficiency of degradation. To get the better of it, morphology tuning agents and visible light-absorbing agents like CTAB (cetyltrimethylammonium bromide) were used. The prepared composite materials were characterized using sophisticated analytical instruments. The prepared materials were tested for their catalytic activity against Victoria Blue (VB) and Auramine O (AO) dyes. The composite material showed superior catalytic activity over the individual material, 97% and 98% for VB and AO, respectively. In addition, the toxicity of the byproducts (mutagenic toxicity, lethal concentration 50 (LC-50), and lethal dose (LD-50)) was estimated, and the detailed DFT interpretations were studied. Finally, a real-time agricultural application using post-treated water was conducted at the Epipremnum aureum plant.

    Copyright © 2024 American Chemical Society

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    Supporting Information

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    The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acsanm.4c02238.

    • Experimental section, efficiency comparison of prepared material with other previously reported material, total organic carbon (TOC) removal, effect of operational parameters, L-H kinetic model of photocatalytic degradation of VB and AO by BWCA, Fukui index value of VB, Fukui index value of AO, predicted structure and its toxicity estimation of VB, LC–MS fragmentation of VB and AO before and after degradation and digital photograph image of Epipremnum aureum grown on VB, AO (20 ppm) solution and post-treated water (PDF)

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    ACS Applied Nano Materials

    Cite this: ACS Appl. Nano Mater. 2024, 7, 18, 21284–21295
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acsanm.4c02238
    Published September 13, 2024
    Copyright © 2024 American Chemical Society

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