Silica samples with embedded SnO2 nanoparticles have been produced by sol-gel method with a synthesis modified by the introduction of fluorinated silicon precursors. The structural features of silica network and SnO2 nanophase have been mapped inside the samples by means of confocal micro-Raman scattering spectroscopy. The results show that the detection of residual fluorine into the matrix as Si-F groups is accompanied by network dehydration, by intensity depletion of the D2 peak assigned to three-member rings of coordinated tetrahedra, and by SnO2 nanoparticles with much larger sizes than in fluorine-free material. © 2009 Elsevier B.V. All rights reserved.

Magni, E., Mazzone, M., Pegolotti, G., Lauria, A., Lorenzi, R., Chiodini, N., et al. (2009). Raman study of fluorine effects on silica with embedded SnO2 nanoparticles. JOURNAL OF NON-CRYSTALLINE SOLIDS, 355(18/21), 1149-1151 [10.1016/j.jnoncrysol.2009.01.052].

Raman study of fluorine effects on silica with embedded SnO2 nanoparticles

LAURIA, ALESSANDRO;LORENZI, ROBERTO;CHIODINI, NORBERTO;PALEARI, ALBERTO MARIA FELICE
2009

Abstract

Silica samples with embedded SnO2 nanoparticles have been produced by sol-gel method with a synthesis modified by the introduction of fluorinated silicon precursors. The structural features of silica network and SnO2 nanophase have been mapped inside the samples by means of confocal micro-Raman scattering spectroscopy. The results show that the detection of residual fluorine into the matrix as Si-F groups is accompanied by network dehydration, by intensity depletion of the D2 peak assigned to three-member rings of coordinated tetrahedra, and by SnO2 nanoparticles with much larger sizes than in fluorine-free material. © 2009 Elsevier B.V. All rights reserved.
Articolo in rivista - Articolo scientifico
Silica, Glass ceramics, Raman scattering, Sol–Gels
English
1149
1151
Magni, E., Mazzone, M., Pegolotti, G., Lauria, A., Lorenzi, R., Chiodini, N., et al. (2009). Raman study of fluorine effects on silica with embedded SnO2 nanoparticles. JOURNAL OF NON-CRYSTALLINE SOLIDS, 355(18/21), 1149-1151 [10.1016/j.jnoncrysol.2009.01.052].
Magni, E; Mazzone, M; Pegolotti, G; Lauria, A; Lorenzi, R; Chiodini, N; Paleari, A
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/9625
Citazioni
  • Scopus 2
  • ???jsp.display-item.citation.isi??? 2
Social impact