Hierarchical assembly of CuO nanostructures for photocatalytic application (Abstract/Poster in convegno)

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Label
  • Hierarchical assembly of CuO nanostructures for photocatalytic application (Abstract/Poster in convegno) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Alternative label
  • Marco Villani, Aderemi Babatunde Alabi, Nicola Coppedè, Laura Lazzarini, Davide Calestani and Andrea Zappettini (2013)
    Hierarchical assembly of CuO nanostructures for photocatalytic application
    in Italian Crystal Growth 2013 - New Frontiers of Functional Materials, Parma, 14-15/11/2013
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Marco Villani, Aderemi Babatunde Alabi, Nicola Coppedè, Laura Lazzarini, Davide Calestani and Andrea Zappettini (literal)
Note
  • Poster (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • IMEM-CNR, Parma, Italyff Department of Physics, University of Ilorin, Nigeria (literal)
Titolo
  • Hierarchical assembly of CuO nanostructures for photocatalytic application (literal)
Abstract
  • Herein we present a simple solution-based protocol to produce a highly efficient photocatalyst consisting of a 3D assembly of 2D nanostructures via one-pot synthesis. Such hierarchical assembly allow a very high surface/volume ratio and facing of active photocatalytic surface. Morphological and structural investigations of the as-grown CuO nanostructures have been performed by FESEM, STEM, HRTEM, SAED and XRD analyses. A detailed study of the photocatalytic activity has been carried out, comparing CuO with reference TiO2 nanoparticles: a very high photocatalytic activity has been measured, higher than that of commercial TiO2 and among the best reported in literature for CuO [1,2]. This can be tentatively ascribed to the synthetic procedure: on the one hand the hierarchical assembly exhibit a very high surface to volume ratio; on the other, the surfactant-free approach allows the whole surface of the nanostructure to be exposed to the chemical environment and hence maximize the photo-degradation of organic pollutants. (literal)
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