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Engineering near-infrared emitting scintillators with efficient Eu2+ → Sm2+ energy transfer

Journal Article (2020)
Author(s)

W.W. Wolszczak (TU Delft - RST/Luminescence Materials)

Karl W. Krämer (University of Bern)

P. Dorenbos (TU Delft - RST/Luminescence Materials)

Research Group
RST/Luminescence Materials
Copyright
© 2020 W.W. Wolszczak, K. W. Krämer, P. Dorenbos
DOI related publication
https://doi.org/10.1016/j.jlumin.2020.117101
More Info
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Publication Year
2020
Language
English
Copyright
© 2020 W.W. Wolszczak, K. W. Krämer, P. Dorenbos
Research Group
RST/Luminescence Materials
Volume number
222
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Abstract

Recently, we proposed a concept for a new class of near infrared (NIR) scintillators by employing efficient Eu2+ → Sm2+ energy transfer. In this article we investigate the optical spectroscopy of Sm2+ in BaBrI, CsSrI3, and CsBa2I5 halide hosts. A criterion was derived for fast Sm2+ 5d → 4f emission and a list of new potential NIR scintillators is proposed.