Ribeiro, Sidney José Lima [UNESP]Hiratsuka, R. S. [UNESP]Massabni, A. M G [UNESP]Davolos, Marian Rosaly [UNESP]Santilli, Celso Valentim [UNESP]Pulcinelli, Sandra Helena [UNESP]2014-05-272014-05-271992-12-01Journal of Non-Crystalline Solids, v. 147-148, n. C, p. 162-166, 1992.0022-3093http://hdl.handle.net/11449/64294Eu3+ fluorescence spectroscopy was used as a probe to study the changes in local arrangements of tin oxyhydroxide precipitate → sol → gel → glass conversion. Electronic transition intensities and 5D0 excited state lifetime variations were followed during the entire process. Adsorption of Eu3+ ions on the colloid and changes of chemical interactions occurring in each step are described. © 1992 Elsevier Science Publishers B.V. All rights reserved.162-166engFluorescenceOxidesSpectroscopic analysisSpectroscopyTin compoundsElectronic transition intensitiesFluorescence spectroscopyTin oxidesGelsArtigo10.1016/S0022-3093(05)80611-8Acesso restrito2-s2.0-002692930264460474630346544284809342546287558429868187086599712025852869670000-0003-3286-94400000-0002-8356-8093