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- W4247317956 abstract "Abstract The present work mainly aimed to synthesize different weight percentages (0.25-1.00 wt%) of Manganese (Mn 2+ ) and Magnesium (Mg 2+ ) bimetal ions doped TiO 2 nanomaterial assisted with different weight percentages (5-15 wt%) of Gemini Surfactant (GS) using sol-gel method. The bimetal doped and undoped TiO 2 photocatalysts were characterized by X-ray Diffraction, Scanning Electron Microscopy, Energy Dispersive X-ray Spectroscopy, Fourier Transform Infrared Spectroscopy (FT-IR), UV-Visible Diffused Reflectance Spectroscopy, Transmission Electron Microscopy, Brunauer-Emmett-Teller surface area analyzer, and Photoluminescence Spectroscopy. Characterization results revealed that mesoporous multi-particle anatase TiO 2 nanoparticles with a narrowed band gap, small particle size, and high surface area were formed due to the combined effect of Mn 2+ /Mg 2+ bimetal ions doping and effective encapsulation of GS over the initially formed TiO 2 nanoparticles. The surface elemental composition of the 0.25 wt% Mn 2+ & 1.00 wt% Mg 2+ bimetal doped TiO 2 in presence of 10 wt% of Gemini surfactant (after calcination) revealed the presence of both the metal dopants Mn 2+ and Mg 2+ along with the Ti and O and their chemical interactions were further confirmed by FT-IR results. The photocatalytic activity of these catalysts was assessed by the degradation of Methyl Red (MR) using visible light irradiation. To understand the effect of different reaction parameters on the photocatalytic activity of the nanocatalysts such as the dopant concentration, GS concentration, catalyst dosage, solution pH, and initial dye concentrations were investigated and optimized to achieve the best performance. The photoluminescence results conclude that OH radicals are the crucial reactive species responsible for oxidative photocatalytic degradation of MR." @default.
- W4247317956 created "2022-05-12" @default.
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- W4247317956 date "2020-10-15" @default.
- W4247317956 modified "2023-10-18" @default.
- W4247317956 title "Gemini surfactant assisted synthesis of mesoporous Mn/Mg bimetal doped TiO2 nanomaterial: Characterization and photocatalytic activity studies under visible light irradiation" @default.
- W4247317956 doi "https://doi.org/10.21203/rs.3.rs-45648/v3" @default.
- W4247317956 hasPublicationYear "2020" @default.
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