SnO2:Eu nanocrystallites in SnO2 monolithic xerogels
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Data
1992-02-28
Autores
Ribeiro, Sidney J.L. [UNESP]
Pulcinelli, Sandra H. [UNESP]
Santilli, Celso V. [UNESP]
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By 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.
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Chemical Physics Letters, v. 190, n. 1-2, p. 64-66, 1992.