Terbium-fluorido cluster: an energy cage for photoluminescence

We report here that energy migration during luminescence can be extremely minimized by caging the fluorescent centers in a molecular cluster of [Tb 6 (μ 3 -F) 8 (piv) 10 (Hpiv) 4 DMF]· x DMF· y H 2 O 1 . Experimental and theoretical simulations reveal that bonding terbium with fluoride is the key to...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2020-08, Vol.56 (64), p.913-9133
Hauptverfasser: Ling, Bo-Kai, Li, Junhao, Zhai, Yuan-Qi, Hsu, Hung-Kai, Chan, Yi-Tsu, Chen, Wei-Peng, Han, Tian, Zheng, Yan-Zhen
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container_end_page 9133
container_issue 64
container_start_page 913
container_title Chemical communications (Cambridge, England)
container_volume 56
creator Ling, Bo-Kai
Li, Junhao
Zhai, Yuan-Qi
Hsu, Hung-Kai
Chan, Yi-Tsu
Chen, Wei-Peng
Han, Tian
Zheng, Yan-Zhen
description We report here that energy migration during luminescence can be extremely minimized by caging the fluorescent centers in a molecular cluster of [Tb 6 (μ 3 -F) 8 (piv) 10 (Hpiv) 4 DMF]· x DMF· y H 2 O 1 . Experimental and theoretical simulations reveal that bonding terbium with fluoride is the key to reducing the non-radiative multi-phonon relaxation processes, which is disparate to the common hydroxy-based lanthanide clusters. This work demonstrates that encapsulating terbium ions into a fluorido-bridged cage by organic ligands significantly enhances the luminescence quantum yield of such sub-nanosized materials.
doi_str_mv 10.1039/d0cc02898c
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source Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects Clusters
Computer simulation
Crystallography
Fluorescence
Photoluminescence
Terbium
title Terbium-fluorido cluster: an energy cage for photoluminescence
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