Photocatalytic and Antibacterial Activity of TiO2 And Au/TiO2 nanosystems (Articolo in rivista)

Type
Label
  • Photocatalytic and Antibacterial Activity of TiO2 And Au/TiO2 nanosystems (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0957-4484/18/37/375709 (literal)
Alternative label
  • L. Armelao; D. Barreca; G. Bottaro; A. Gasparotto; C. Maccato; C. Maragno; E. Tondello; U. Stangar Lavrencic; M. Bergant; D.Mahne (2007)
    Photocatalytic and Antibacterial Activity of TiO2 And Au/TiO2 nanosystems
    in Nanotechnology (Bristol. Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • L. Armelao; D. Barreca; G. Bottaro; A. Gasparotto; C. Maccato; C. Maragno; E. Tondello; U. Stangar Lavrencic; M. Bergant; D.Mahne (literal)
Pagina inizio
  • 375709 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/0957-4484/18/37/375709/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 18 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 37 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1-3 : ISTM-CNR and INSTM, Department of Chemistry, Padova University, Via Marzolo, 1-35131 Padova, Italy / 4-7 : Department of Chemistry, Padova University and INSTM, Via Marzolo, 1-35131 Padova, Italy / 8-10 : Laboratory for Environmental Research, University of Nova Gorica, Vipavska 13, 5001 Nova Gorica, Slovenia (literal)
Titolo
  • Photocatalytic and Antibacterial Activity of TiO2 And Au/TiO2 nanosystems (literal)
Abstract
  • This work focuses on the photocatalytic performances and antibacterial activity of TiO2 and Au/ TiO2 nanosystems. While the former are obtained by a sol - gel route, the latter are synthesized by an innovative hybrid RF- sputtering/ sol - gel approach, followed by ex situ annealing in air up to 600. C. Important information on nanoparticle size, shape and distribution is obtained by the combined use of glancing incidence x- ray diffraction ( GIXRD) and field emission- scanning electron microscopy ( FE- SEM). Subsequently, the photocatalytic performances of the obtained nanosystems in the decomposition of the azo- dye Plasmocorinth B and their antibacterial activity in the elimination of Bacillus subtilis are illustrated and discussed in comparison with films obtained from standard Degussa P25 powders. The obtained results show a significant dependence of the functional performances on the system's compositional, structural and morphological properties. In particular, the dispersion of gold nanoparticles on the TiO2 matrix has a beneficial influence on the azo- dye photodegradation, whereas the antimicrobial activity of Au/ TiO2 films is retarded with respect to pure TiO2. (literal)
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