Vaaisible upconversion emission of Er3+-doped and Er3+/Yb3+-codoped LiInO2

• Authors: Ljubica Djačanin , Miroslav Dramićanin , Svetlana Lukić-Petrović , Dragoslav Petrović , Marko Nikolić
• Languages of publication: EN

Abstracts

EN

Lithium-indium oxide is a high-density (5.9 g·cm−3), wide band-gap semiconductor with promising applications for scintillating detection of solar neutrinos as well as for efficient phosphorescence when doped with Er3+ or Sm3+ ions. In this report, we demonstrate visible upconversion emission of Er3+-doped LiInO2 synthesized by a simple solid-state chemistry procedure and discuss mechanisms responsible for pumping the Er3+ ions to upper levels. Intense upconversion emission is observed in the green and red spectral regions under near-infrared excitation, and it is greatly enhanced by co-doping with Yb3+ ions. We also examined the upconversion intensity change as a function of temperature, and, consequently, possible applications of this material as a low-temperature sensor.

Keywords

EN

LiInO2 ; upconversion; temperature sensing; Er3+ ; Yb3+

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2012
• Volume: 10
• Issue: 2
• Pages: 519-523

Dates

published

1 - 4 - 2012

online

31 - 3 - 2012

Contributors

author

Ljubica Djačanin

• Faculty of Sciences, Department of Physics, University of Novi Sad, Trg Dositeja Obradovica 4, 21000, Novi Sad, Serbia

author

Miroslav Dramićanin

• Vinca Institute of Nuclear Sciences, University of Belgrade, P.O. Box 522, 11001, Belgrade, Serbia

author

Svetlana Lukić-Petrović

• Faculty of Sciences, Department of Physics, University of Novi Sad, Trg Dositeja Obradovica 4, 21000, Novi Sad, Serbia

author

Dragoslav Petrović

• Faculty of Sciences, Department of Physics, University of Novi Sad, Trg Dositeja Obradovica 4, 21000, Novi Sad, Serbia

author

Marko Nikolić

• Vinca Institute of Nuclear Sciences, University of Belgrade, P.O. Box 522, 11001, Belgrade, Serbia

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Identifiers

DOI

10.2478/s11534-012-0009-z