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Environment segregation of Er3+ emission in bulk sol–gel-derived SiO2–SnO2 glass ceramics (CROSBI ID 222943)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Van, Tran T. T. ; Turrell, Silvia ; Capoen, B. ; Hieu, Le Van ; Ferrari, Maurizio ; Ristić, Davor ; Boussekey, L. ; Kinowski, C. Environment segregation of Er3+ emission in bulk sol–gel-derived SiO2–SnO2 glass ceramics // Journal of materials science, 49 (2014), 24; 8226-8233. doi: 10.1007/s10853-014-8531-6

Podaci o odgovornosti

Van, Tran T. T. ; Turrell, Silvia ; Capoen, B. ; Hieu, Le Van ; Ferrari, Maurizio ; Ristić, Davor ; Boussekey, L. ; Kinowski, C.

engleski

Environment segregation of Er3+ emission in bulk sol–gel-derived SiO2–SnO2 glass ceramics

Er-doped (100-x) SiO2–x SnO2 glass–ceramic monoliths were prepared using a sol–gel method. Raman spectroscopic measurements showed the structural evolution of the silica matrix caused by the formation and the growth of SnO2 nanocrystals. Analysis of the photoluminescence properties shows that the quantity of Er3+ ions embedded in the vicinity of SnO2 nanocrystals could be controlled by the SnO2 concentration. We give spectroscopic evidence of energy transfer to erbium ions provided by SnO2 nanocrystals in the silica matrix. The 4I13/2 level decay curves present a double-exponential profile with two lifetimes associated to rare-earth ions in two different environments.

SnO2 nanocrystals ; Er3+ ion

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Podaci o izdanju

49 (24)

2014.

8226-8233

objavljeno

0022-2461

1573-4803

10.1007/s10853-014-8531-6

Povezanost rada

Fizika

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