Thermal activation induced charge transfer state absorption redshift realizes strong anti-thermal quenching in Pr-activated phosphor

Thermal activation induced charge transfer state absorption redshift realizes strong anti-thermal quenching in Pr-activated phosphor

In our work, a totally anomalous thermal quenching phenomenon of red-shifted and enhanced charge transfer state (CTS) absorption is found for the first time in LiTaO 3 : x Pr 3+ phosphors. The crystal structure, luminescent properties and the mechanism of abnormal thermal quenching were investigated...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2024-03, Vol.6 (2), p.284-287
Hauptverfasser: Lv, Xiang, Guo, Ning, Qu, Song, Xin, Yanmei, Yang, Mei, Shao, Baiqi, Ouyang, Ruizhuo
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container_title Chemical communications (Cambridge, England)
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creator Lv, Xiang
Guo, Ning
Qu, Song
Xin, Yanmei
Yang, Mei
Shao, Baiqi
Ouyang, Ruizhuo
description In our work, a totally anomalous thermal quenching phenomenon of red-shifted and enhanced charge transfer state (CTS) absorption is found for the first time in LiTaO 3 : x Pr 3+ phosphors. The crystal structure, luminescent properties and the mechanism of abnormal thermal quenching were investigated in detail. A totally abnormal thermal quenching of red-shifted and enhanced charge transfer state absorption is found in LiTaO 3 :Pr 3+ phosphors, which makes the phosphors show distinct thermal quenching properties at specific excitation wavelengths.
doi_str_mv 10.1039/d3cc05201j
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title Thermal activation induced charge transfer state absorption redshift realizes strong anti-thermal quenching in Pr-activated phosphor
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