2024
DOI: 10.1007/s40843-024-3134-1
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Enhancing negative thermal quenching in green-emitting perovskite microspheres via shallow trap state modulation

Zhenxu Lin,
Rui Huang,
Jie Song
et al.

Abstract: For luminescent materials, negative thermal quenching (NTQ), characterized by an increase in the luminescent intensity with temperature, has a large potential in lighting and display technologies. However, leveraging NTQ in metal halide perovskites is challenging, and the mechanism is not well understood. Herein, by utilizing low-temperature photoluminescence, persistent luminescence and thermoluminescence, the origins of NTQ in CsPbBr3 microspheres are systematically studied, which pertain to the liberation o… Show more

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