Ribeiro, Sidney J.L. [UNESP]Pulcinelli, Sandra H. [UNESP]Santilli, Celso V. [UNESP]2014-05-272014-05-271992-02-28Chemical Physics Letters, v. 190, n. 1-2, p. 64-66, 1992.0009-2614http://hdl.handle.net/11449/64223By simple room temperature broad band time-resolved spectroscopy it was possible to discriminate different Eu3+ spectra in SnO2 monolithic gels obtained by a sol-gel synthetic route. Nanocrystalline domains of the cassiterite-like SnO2:Eu could be easily identified in the transparent medium. From X-ray diffraction profiles a mean particle radius of 2.2 nm was estimated. © 1992.64-66engArtigo10.1016/0009-2614(92)86103-OAcesso restrito2-s2.0-000293231255842986818708650000-0002-8356-8093