Journal
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
Volume 69, Issue 5-6, Pages 1471-1474Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpcs.2007.10.095
Keywords
nanostructures; inorganic compound; chemical synthesis; X-ray diffraction
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The K4Nb6O17 photocatalyst with sheet-like nanostructure was obtained by the hydrothermal synthesis. The morphologies and structure of the photocatalyst were characterized by scanning electron microscope (SEM), high-resolution transmission electron microanalysis (HTEM) and X-ray diffractometer (XRD). K4Nb6O17 can be synthesized at 180-250 degrees C for 12h and its crystallinity increases with increasing the reaction temperature. The photocatalytic activity of K4Nb6O17 obtained for photodegrading acid red G is much higher than that of P25-TiO2. (c) 2007 Elsevier Ltd. All rights reserved.
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