Issue 22, 2024

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

Abstract

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 5D47F5 and 5D07F2 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.

Graphical abstract: Rare-earth UiO-66 for temperature sensing near room temperature

Supplementary files

Article information

Article type
Paper
Submitted
27 fev 2024
Accepted
12 mai 2024
First published
14 mai 2024

J. Mater. Chem. C, 2024,12, 8024-8029

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

E. Djanffar, H. A. Bicalho, Z. Ajoyan, A. J. Howarth and H. Serier-Brault, J. Mater. Chem. C, 2024, 12, 8024 DOI: 10.1039/D4TC00781F

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