Synthesis and characterization of heterostructure Pt/Bi 2 WO 6 nanocomposites with enhanced photodegradation efficiency induced by visible radiation
Solid State Sciences, ISSN: 1293-2558, Vol: 134, Page: 107064
2022
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Most Recent News
New Findings from Prince of Songkla University in Nanocomposites Provides New Insights (Synthesis and Characterization of Heterostructure Pt/bi2wo6 Nanocomposites With Enhanced Photodegradation Efficiency Induced By Visible Radiation)
2023 JAN 27 (NewsRx) -- By a News Reporter-Staff News Editor at Nanotech Daily -- Investigators discuss new findings in Nanotechnology - Nanocomposites. According to
Article Description
Bi 2 WO 6 samples loaded with different weight contents of Pt were successfully synthesized by microwave-assisted deposition method. The as-synthesized Bi 2 WO 6 and Pt/Bi 2 WO 6 samples were analyzed by X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, Raman spectrophotometry, scanning electron microscopy (SEM), transmission electron microscopy (TEM), UV–visible diffuse reflectance spectroscopy (UV–vis DRS), photoluminescence (PL) spectroscopy, nitrogen adsorption/desorption isotherms measurement and X-ray photoelectron spectroscopy (XPS). The analytical results showed that metallic Pt nanoparticles with approximately size of 8–10 nm were well dispersed on thin orthorhombic Bi 2 WO 6 nanoplates to form heterostructure Pt/Bi 2 WO 6 nanocomposites. The Pt nanoparticles played the role in improving visible light harvest of the Bi 2 WO 6 nanoplates. Their photocatalytic activities were evaluated through rhodamine B (RhB) degradation under visible radiation ( λ ≥ 420 nm) of a xenon light source. The photodegradation efficiencies of pure Bi 2 WO 6 and 10% Pt/Bi 2 WO 6 samples induced by visible light within 180 min were respectively 35.33% and 98.09% caused by charge diffusion at the Pt/Bi 2 WO 6 interface and surface plasmon resonance (SPR) effect of Pt nanoparticles. In this research, the reused 10% Pt/Bi 2 WO 6 nanocomposites with excellent stability and high photo-resistance were the promising photocatalyst for environmental remediation.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S129325582200259X; http://dx.doi.org/10.1016/j.solidstatesciences.2022.107064; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85142378917&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S129325582200259X; https://dx.doi.org/10.1016/j.solidstatesciences.2022.107064
Elsevier BV
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