ZnO:CeO2-based nanopowders with low catalytic activity as UV absorbers

@inproceedings{Lima2009ZnOCeO2basedNW,
  title={ZnO:CeO2-based nanopowders with low catalytic activity as UV absorbers},
  author={Juliana Fonseca de Lima and Renata Figueredo Martins and Cl{\'a}udio Roberto Neri and Osvaldo Antonio Serra},
  year={2009}
}
Ultrafine systems of zinc oxide and cerium oxide for use as ultraviolet filter were synthesized by a nonalkoxide sol–gel process at different temperatures, to obtain solid materials (40 and 70 8C), that were characterized by X-ray diffraction, scanning electron microscopy, UV–vis reflectance. Their catalytic and photocatalytic activities were also evaluated. ZnO:CeO2 systems present higher UV absorption and transparency in the visible region. The photocatalytic activity of ZnO:CeO2 systems for… CONTINUE READING
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