![]() ![]() Wibowo, Synthesis of Ni, N Co-Doped TiO 2 Using Microwave-Assisted Method for Sodium Lauryl Sulfate Degradation by Photocatalyst. Rajni, Synthesis and Analysing the Structural, Optical, Morphological, Photocatalytic and Magnetic Properties of TiO 2 and Doped (Ni and Cu) TiO2 Nanoparticles by Sol–Gel Technique. Moslemzadeh, Photo-Catalytic Degradation of Bisphenol-a From Aqueous Solutions using GF/Fe-TiO 2-CQD Hybrid Composite. Ruan, Photocatalytic Degradation of Organic Pollutants using TiO 2-Based Photocatalysts: A Review. Tomšič, Recent Advances in TiO 2-Functionalized Textile Surfaces. Kalantary, Synthesis of New Composite based on TiO 2 Immobilized in Glass Fibers for Photo-Catalytic Degradation of Chlorobenzene in Aqueous Solutions. ZOuladsmane, The Catalytic Reactivity of Titanium Dioxide Supported on SBA-15 Catalyst for Selective Oxidation of Benzyl Alcohol. Al-Tahtamouni, Eco-Friendly Highly Efficient BN/rGO/TiO 2 Nanocomposite Visible-Light Photocatalyst for Phenol Mineralization. He, Recent Advances in Persulfate-Assisted TiO 2-Based Photocatalysis for Wastewater Treatment: Performances, Mechanism and Perspectives. Park, An Overview of TiO 2-Based Photocatalytic Membrane Reactors for Water and Wastewater Treatments. Pang, Review on Synthesis of Porous TiO 2-Based Catalysts for Energy Conversion Systems. Opposite to this, Ni-doped TiO 2 immobilized on silica gel bead showed photocatalytic enhancement under visible light. Under ultraviolet irradiation, the photocatalytic performance of Ni-doped TiO 2 immobilized on silica gel bead was lower compared with pure sample. The photocatalytic enhancement was demonstrated by methyl orange decomposition. Influenced by silica gel bead as catalyst support, the crystal size of Ni-doped TiO 2 sample was reduced from 27 nm to 6 nm that led to a blueshift in both Raman and UV–Vis spectra. Compared with pure TiO 2, the absorption edge of the Ni-doped TiO 2 sample exhibited a redshift from 400 nm to 655 nm. The results revealed that Ni 2+ uniformly distributed in the TiO 2 crystal lattice to replace Ti 4+ and that Ni 2+ did not change the TiO 2 anatase crystal phase. The morphology, crystal phase composition, particle size, porosity characteristics, and optical properties of the samples were investigated through scanning electron microscopy, high-resolution transmission electron microscopy, x-ray diffraction, N 2 isothermal loops, Raman spectroscopy, and ultraviolet–visible (UV–Vis) absorption. In this report, Ni-doped TiO 2 immobilized on silica gel bead by sol–gel process was investigated. Titanium dioxide (TiO 2) photocatalyst is an excellent solution that can be utilized to decompose organic pollutants.
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