http://www.cnr.it/ontology/cnr/individuo/prodotto/ID199786
CuO/MgO nanocomposites by wet impregnation: a XPS study (Articolo in rivista)
- Type
- Label
- CuO/MgO nanocomposites by wet impregnation: a XPS study (Articolo in rivista) (literal)
- Anno
- 2012-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1116/11.20071104 (literal)
- Alternative label
Khairallah, F.; Glisenti, A.; Natile, M.M.; Galenda, A. (2012)
CuO/MgO nanocomposites by wet impregnation: a XPS study
in Surface science spectra
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Khairallah, F.; Glisenti, A.; Natile, M.M.; Galenda, A. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://avspublications.org/sss/resource/1/ssspen/v19/i1/p23_s1?isAuthorized=no (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1,2 : Università di Padova, Dip. Scienze Chimiche, Via Marzolo, 1, Padova, 35131, Italy /
3 : CNR, ISTM, Dipartimento di Scienze Chimiche, Via Marzolo 1, Padova, 35131, Italy /
4 : CNR-ICIS, INSTM, Corso Stati Uniti 4, 35127, Padova, Italy (literal)
- Titolo
- CuO/MgO nanocomposites by wet impregnation: a XPS study (literal)
- Abstract
- Two copper oxide/magnesium oxide nanocomposite powders were prepared by wet impregnation of nanosized magnesia powders. The supporting magnesia was formed by precipitation through the addition of tetraethyl ammonium hydroxide to magnesium nitrate. The samples are characterized by a nominal (i.e. calculated from the weighted amount of precursors) Cu/Mg atomic ratios of 0.01 or 0.5. The surface properties and the influence of the Cu/Mg atomic ratio are investigated by means of XPS (using an Al K? x-ray source). In addition to the wide scan spectra, detailed spectra for the Mg 1s, Cu 2p, and O 1s regions and related data are presented and discussed. XPS analysis confirms the presence of MgO and CuO; the peak shapes are consistent with a more heterogeneous chemical environment for the sample with lower Cu/Mg atomic ratio. In both cases, the measured Cu/Mg atomic ratio is less than nominal concentration suggesting that there is diffusion of Cu inside the support. The O/(Mg+Cu) atomic ratio decreases with increasing Cu/Mg and is higher than the nominal one confirming the surface hydroxylation. (literal)
- Prodotto di
- Autore CNR
- Insieme di parole chiave
Incoming links:
- Prodotto
- Autore CNR di
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
- Insieme di parole chiave di