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Photocatalytic Equipment With Nitrogen-Doped Titanium Dioxide For Air Cleaning And Disinfecting, Evgen Kabachkov
Photocatalytic Equipment With Nitrogen-Doped Titanium Dioxide For Air Cleaning And Disinfecting, Evgen Kabachkov
Evgen kabachkov
Nitrogen-doped TiO2 nanoparticle photocatalysts were synthesized by a sol–gel procedure using tetra-n-butyl orthotitanate as a titanium precursor and urea as a nitrogen source. Systematic studies for the preparation parameters and their impact on the material's structure were carried out by multiple techniques: thermogravimetric and differential scanning calorimetric analysis, x-ray diffraction, scanning electron microscope, transmission electron microscopy, energy dispersive x-ray spectroscopy and UV–Vis diffuse reflectance spectrophotometry showed that the nitrogen-doped TiO2 calcined at 500 °C for 3 h exhibited a spherical form with a particle size about 15–20 nm and crystal phase presented a mixture of 89.12% anatase. The obtained product …