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Article Dans Une Revue Journal of Materials Chemistry C Année : 2024

Rare-earth UiO-66 for temperature sensing near room temperature

Résumé

In the last decade, rare-earth metal-organic frameworks (RE-MOFs) have received notable interest in luminescence thermometry, which involves correlating the absolute temperature of an object to an optical emission. Numerous investigations that are already reported deal mainly with mixed Eu/Tb coordination polymers and MOFs, and they are based on the Eu3+-to-Tb3+ emission ratio between the transitions 5D4 -> 7F5 and 5D0 -> 7F2 of the Tb3+ and Eu3+ ions, respectively. In this study, we focus our attention on the well-known UiO-66, which can be also built with lanthanoid cations to give RE-UiO-66 analogues. Thus, we investigated the thermometric properties of RE-UiO-66 by synthesizing three different bimetallic Eu/Tb materials, with the aim to develop new sensitive luminescent thermometers.
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Dates et versions

hal-04597747 , version 1 (03-06-2024)

Identifiants

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Elias Djanffar, Hudson Bicalho, Zvart Ajoyan, Ashlee Howarth, Hélène Serier-Brault. Rare-earth UiO-66 for temperature sensing near room temperature. Journal of Materials Chemistry C, 2024, ⟨10.1039/d4tc00781f⟩. ⟨hal-04597747⟩
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