Preparation and upconversion properties of Er3+,Yb3+:Y2Si2O7 nanocrystallites embedded in PVA polymer nanocomposites

• Autorzy: Hreniak D. , Głuchowski P. , Stręk W. , Bettinelli M. , Kozłowska A. , Kozłowski M.
• Języki publikacji: EN

Abstrakty

EN

The preparation of polymer nanocomposites consisting of poly(vinyl) alcohol (PVA) network and RE3+:Y2Si2O7 nanocrystalline particles (RE=Yb, Er) is presented. The optical properties of the nanocomposite were preliminarily studied. In particular, efficient upconversion was observed in Er3+ and Yb3+ codoped Y2Si2O7 nanoparticles embedded in the polymeric PVA host. It was found that the luminescence features of the RE3+:Y2Si2O7 nanoparticles were affected by the polymeric host, resulting in a shortening of the luminescence lifetimes. This effect is discussed in terms of effective refractive index.

Słowa kluczowe

EN

nanocomposites; luminescence; upconversion process; rare earths

PL

nanokompozyty; luminescencja; ziemie rzadkie

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2006
• Tom: Vol. 24, No. 2/1
• Strony: 405--413
• Opis fizyczny: Bibliogr. 21 poz.

Twórcy

autor

Hreniak D.

autor

Głuchowski P.

autor

Stręk W.

autor

Bettinelli M.

autor

Kozłowska A.

autor

Kozłowski M.

• Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 50-422 Wrocław,

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