NDLI: Propriedades fotofísicas de Eu3+ e Tb3+ imobilizados em sílica gel funcionalizada com beta-Dicetonas

Content Provider	Scilit
Author	Nassar, Eduardo José Serra, Osvaldo Antonio
Copyright Year	2000
Description	Synthetic procedures, characterization and luminescent properties of Eu3+ and Tb3+ ions supported on silica gel functionalized with beta-diketones are presented. The functionalization with propyl benzoyltrifluoroacetone (BPG), dibenzoylmethane (DBM) and hexafluoroacetone (HPG), leads to new luminescent materials which photophysical properties depend on the group substituent in the beta-diketone. These systems were evaluated in terms of luminescence and lifetime of the Eu3+ and Tb3+ ions. Silica functionalization was confirmed by TGA and Elemental Analysis. The sample contents of ions were from 0,2 to 0,3 % (w/w)
Related Links	http://www.scielo.br/pdf/qn/v23n1/2137.pdf
Ending Page	19
Page Count	4
Starting Page	16
ISSN	01004042
e-ISSN	01004042
DOI	10.1590/s0100-40422000000100004
Journal	Química Nova
Issue Number	1
Volume Number	23
Language	English
Publisher	FapUNIFESP (SciELO)
Publisher Date	2000-02-01
Access Restriction	Open
Subject Keyword	Química Nova Applied Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry

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Propriedades fotofísicas de Eu3+ e Tb3+ imobilizados em sílica gel funcionalizada com beta-Dicetonas