Effect of TiO2 Sol Impregnation on Biogenic Hierarchical Porous Structure of Rice Husk after High Te

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Biogenic hierarchical porous rice husk SiO 2samples were prepared from pre-treating rice husk( RH) at low temperatures following TiO 2sol impregnation and pyrolysis process. The samples were characterized by scanning electron microscopy,X-ray diffraction
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