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FeOOH nanorod array was synthesized utilizing a facile hydrothermal method. The photoreduction efficiency to Cr(VI) is 70% after 4 h illumination at pH < 3. The Mott-Schottky plots confirmed the n-type behavior and the donor density is calculated to be 6.91 × 1016 cm−3. The best anodic photo-current is 90 nA/cm2 under illumination of light with intensity of 0.02 W/cm2. The onset potential of photo-current...
The microstructure and physical properties of glass foams prepared by using waste glass and SiC podwers were greatly improved by introduction of a new foaming promoter which was KNO3. KNO3 which can produce oxygen by thermal decomposition reaction was another free oxygen supplier except the atmospheric oxygen. The foaming ability of SiC was directly dependent on the content of the oxygen around, so...
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