Avoiding concentration quenching and self-absorption in Cs₄EuX₆ (X = Br, I) by Sm²⁺ doping

Casper van Aarle,Karl Krämer, P. Dorenbos

Journal of Materials Chemistry C（2023）

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摘要

Cs 4 EuX 6 scintillators suffer from strong self-absorption and weak concentration quenching. Both can be avoided by Sm 2+ doping. It improves the energy resolution, shortens the decay time and shifts the emission wavelength into the near-infrared.

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关键词

concentration quenching,doping,self-absorption

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Avoiding concentration quenching and self-absorption in Cs4EuX6 (X = Br, I) by Sm2+ doping

Avoiding concentration quenching and self-absorption in Cs₄EuX₆ (X = Br, I) by Sm²⁺ doping