In situ Raman spectroscopy study of NO2 adsorption onto nanocrystalline tin(IV) oxide (Articolo in rivista)

Type
Label
  • In situ Raman spectroscopy study of NO2 adsorption onto nanocrystalline tin(IV) oxide (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Sergent N, Epifani M, Pagnier T (2006)
    In situ Raman spectroscopy study of NO2 adsorption onto nanocrystalline tin(IV) oxide
    in Journal of Raman spectroscopy
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Sergent N, Epifani M, Pagnier T (literal)
Pagina inizio
  • 1272 (literal)
Pagina fine
  • 1277 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 37 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • ENSEEG, Lab Electrochim & Physicochim Mat & Interfaces, F-38402 St Martin Dheres, France; IMM CNR, Inst Microelettron & Microsistemi, Sez Lecce, I-73100 Lecce, Italy (literal)
Titolo
  • In situ Raman spectroscopy study of NO2 adsorption onto nanocrystalline tin(IV) oxide (literal)
Abstract
  • A study of the adsorption of NO2 on a nanocrystalline tin(IV) oxide powder was carried out in situ by Raman spectroscopy. Heat treatment up to 300 degrees C of the sample in NO2 revealed the complexity of the surface reactions. Thus, numerous NOx adsorbed species were evidenced such as weakly adsorbed nitrates, NO2 dimers, nitrites, bridging and various bidentate nitrates. The stability of these last species has been related to the N=O bond strength. It has been proposed that the nitrite species are responsible for the SnO2 response in the presence of NO2 traces. (literal)
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