Co Doped TiO2
Study on the Synthesis and Electrochemical Properties of Cr-Sb Co-doped TiO2
... The photo-catalytic results indicate that the Cr-Sb co-doped TiO2 showed no visible light photo-catalytic activity and the 0.5% Ti0.9Cr0.05Sb0.05O2 photoanode-based DSSC achieved an impr[r] ...
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Synthesis of metal and nonmetal co-doped tio2 nano material for the improved photocatalytic and antibacterial activity studies
... mesoporous doped TiO2 nano material synthesized by using sol-gel ...of doped ions and their oxidation states, spherical with smooth Ti in co-doped TiO2 due to substitutional ...
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Facile synthesis and enhanced visible light photocatalytic activity of N and Zr co doped TiO2 nanostructures from nanotubular titanic acid precursors
... tion process of propylene under visible light irradiation. About 25 mg of each photocatalyst sample was spread on one side of a roughened glass plate (ca. 8.4 cm 2 active area) and kept in a flat quartz tube reactor. A ...
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Preparation, Characterization and Photocatalytic Application of Sol-Gel Synthesis of Co Doped TiO2
... the incorporated Co atom acts as electron traps by suppressing the recombination of photo-generated holes and electrons. Both superoxide radicals and hydroxyl radicals are responsible degradation of methylene blue ...
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Low Pressure Chemical Vapor Deposition of Nb and F Co Doped TiO2 Layer
... [27]. In this work, it is believed the mismatch for the ion radius between Ti 4+ (0.061 nm) and Nb 5+ (0.064 nm) in the cation-site was compensated by fluorine ion radius (F − : 0.136 nm) smaller than that of oxygen ion ...
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The synthesis of nitrogen/sulfur co doped TiO2 nanocrystals with a high specific surface area and a high percentage of {001} facets and their enhanced visible light photocatalytic performance
... son purposes under the same experimental conditions. The covered petri dishes were illuminated by a 300-W xenon lamp (PLS-SXE300, Beijing PerfectLight Technol- ogy Co., Ltd., Beijing, People's Republic of China), ...
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Cr-Gd co-doped TiO2 Nanoribbons as Photoanode in Making Dye Sensitized Solar Cell
... The studied samples were characterized by FT-IR analysis in the range between (4000-400) cm -1 , where the FT-IR results for the TiNPs are shown in Figure 6 (a), and undoped/doped TiNRs are shown in Figure 6 (b ...
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Preparation and Characterization of Fe3+, La3+ Co-Doped Tio2 Nanofibers and Its Photocatalytic Activity
... were investigated by scanning electron microscope (SEM), Fourier Transform Infrared Spectroscopy (FTIR), X-ray Diffraction (XRD) and atomic force microscope (AFM).The photocatalysis efficiency for the methylene blue ...
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Comparison of the Photocatalytic Efficience for Cu and N Co Doped TiO2 by Sol Gel and Xerogel Hydrothermal Methods
... 934.32 eV can be assigned as the Cu 2p3/2 and Cu 2p1/2. Another peak at 529.7 eV is attributable to O1s. The six weak peak at 397.2 eV can be ascribed to N 1s. Obviously, the XPS results proved that the N and Cu species ...
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Doping concentration dependence of microstructure and magnetic behaviours in Co doped TiO2 nanorods
... ESR results have suggested that Ti vacancies and cor- related complex defects may be the origin of ferromag- netism. It is known that the formation energy of Ti vacancy is quite high [52]. For the undoped samples, Ti ...
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Preparation and Characterization of PbO2 Electrodes Doped with TiO2 and Its Degradation Effect on Azo Dye Wastewater
... ) was added into the plexiglass reactor. In particular for the photoelectrodegradation process, the light source (CHF-XM-500W, Trusttech Co Ltd., Beijing, China) was turned on before the degradation process began. ...
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Photocatalytic Degradation of β carotene with TiO2 and Transition Metal Ions Doped TiO2 under Visible Light Irradiation
... photocatalysts were prepared by a sol-gel method and incipient wetness impregnation method, and investigated by means of X-ray diffraction and scanning electron microscopy for characterization. The effects of ...
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Difference in structural and chemical properties of sol–gel spin coated Al doped TiO2, Y doped TiO2 and Gd doped TiO2 based on trivalent dopants
... by substituting them for the Ti 4+ ion. The Gd 3+ (with an ionic radius of 0.0938 nm) doping into Ti sites was challenging because of the large difference in the ionic radii. The results of the XRD studies le a lot of ...
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Effects of Ion Doping on the Optical Properties of Dye Sensitized Solar Cells
... Dye-sensitized solar cells (DSC) play a leading role in the third generation photovoltaics due to their low cost, easy fabrication process, high conversion efficiency and good stability. As a media of dye adsorption, ...
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Preparation of N Doped TiOx Films as Photocatalyst Using Reactive Sputtering with Dry Air
... air flow ratio, the color of the film changes from pale-yellow to dark-yellow, even black-gray, and the light transmission band edge shifts toward the visible light regions due to the nitrogen (nitrogen oxide) doping. The ...
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Highly Efficient Visible Light Induced Photocatalytic Activity of Fe Doped TiO<sub>2</sub> Nanoparticles
... by the modified sol-gel method. The samples were physically characterized in order to obtain the correlation between structure and photocatalytic properties by X-ray diffraction (XRD), scanning electron microscopy (SEM), ...
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Enhancement of the photoelectric performance of dye sensitized solar cells using Ag doped TiO2 nanofibers in a TiO2 film as electrode
... using a fluorine-doped tin oxide [FTO] substrate and a counter electrode, respectively, and then the electrons are passed to an electrolyte [5,6]. So, in order to get a high solar conversion efficiency in DSSCs, a ...
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PHOTOCATALYTIC AND ANTIBACTERIAL ACTIVITIES OF TiO2 AND SILVER AND ZINC DOPED TiO2 NANOPARTICLES
... prepare doped and co-doped ...of doped and co-doped nanoparticles having good photocatalytic activity have great potential for the degradation of ...
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Electrical Properties of Nb-Doped TiO2 Thin Films Deposited by Co-sputtering Process
... versus photon energy. At higher photon energy, the linear feature is observed, giving the way to extrapolate the Tauc band gap of the NTO thin films. The extrapolation indicates that the direct band gap value is in the ...
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Vol 46, No 2 (2016)
... of TiO2-Agencapsulated in liposomes, in the white pulp, conducted to the protecting effect in some areas, while in other areas, the aspects are similar with the non- encapsulated TiO2 ...
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