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The catalysts of un-doped, single-doped and co-doped titanium dioxide (TiO 2 ) nanoparticles were prepared by a sol–gel method with Ti(OC 4 H 9 ) 4 as a Ti source material. The photo-absorbance of the obtained nanoparticles was measured by UV–vis diffusive reflectance spectroscopy (UV–vis DRS), and the photocatalytic activity of the prepared samples under UV and visible...
Cuprous oxide (Cu 2 O) nanoparticles and microcubes have been successfully fabricated by reduce of CuSO 4 using ascorbic acid at room temperature. The as-synthesized products were easily separation and purification, because there were no template or surfactant has been introduced. All of the samples were characterized by X-ray powder diffractometer (XRD), scanning electron microscopy...
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