Synthesis and luminescence properties of some Ce3+ doped silica sols

Ce -doped silica sols samples were prepared by acid, or two steps catalyzed sol-gel process, at different concentration of Ce3+ dopant. As silica precursors, tetraetoxysilane, or tetrametoxysilane, or a precursors mixture consisting of tetraetoxysilane and isobuthyltrietoxysilane, were used. By UV e...

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Elmentve itt :
Bibliográfiai részletek
Szerzők: Enache Corina
Dudás Zoltán
Savii Cecilia
Testületi szerző: International Symposium on Analytical and Environmental Problems (17.) (2011) (Szeged)
Dokumentumtípus: Könyv része
Megjelent: SZAB Szeged 2012
Sorozat:Proceedings of the International Symposium on Analytical and Environmental Problems 17
Kulcsszavak:Kémia
Tárgyszavak:
Online Access:http://acta.bibl.u-szeged.hu/76453
Leíró adatok
Tartalmi kivonat:Ce -doped silica sols samples were prepared by acid, or two steps catalyzed sol-gel process, at different concentration of Ce3+ dopant. As silica precursors, tetraetoxysilane, or tetrametoxysilane, or a precursors mixture consisting of tetraetoxysilane and isobuthyltrietoxysilane, were used. By UV excitation, all synthesized samples presented strong luminescence emission with maxima situated at ~ 386 nm. Regarding the emission efficiency, better results were achieved at lower Ce3+ concentrations. Depending on precursors nature, a favorable influence had the use of precursors mixture.
Terjedelem/Fizikai jellemzők:319-322
ISBN:978-963-315-066-5