Dual-Emitting UiO-66(Zr&Eu) Metal-Organic Framework Films for Ratiometric Temperature Sensing

ACS Applied Materials & Interfaces
Ji-Fei FengRong Cao

Abstract

A novel dual-emitting metal-organic framework based on Zr and Eu, named as UiO-66(Zr&Eu), was built using a clever strategy based on secondary building units. With the use of polymers, the obtained UiO-66(Zr&Eu) was subsequently deposited as thin films that can be utilized as smart thermometers. The UiO-66(Zr&Eu) polymer films can be used for the detection of temperature changes in the range of 237-337 K due to the energy transfer between the lanthanide ions (Eu in clusters) and the luminescent ligands, and the relative sensitivity reaches 4.26% K-1 at 337 K. Moreover, the sensitivity can be improved to 19.67% K-1 by changing the film thickness. In addition, the temperature-sensing performance of the films is superior to that of the powders, and the sensor can be reused 3 times without loss of performance.

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Citations

Dec 13, 2019·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Li YangLi Wang
Aug 13, 2020·Angewandte Chemie·Banglin ChenHuanrong Li
Feb 3, 2021·ACS Applied Materials & Interfaces·Shihui ZhangDongsheng Li
Feb 9, 2021·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Congcong GongShouzhi Pu
May 15, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Jie MinBing Yan
May 4, 2021·Chemistry : a European Journal·Bin LiangBanglin Chen
Oct 23, 2021·Journal of the American Chemical Society·Juan P VizuetKenneth J Balkus

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