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

被引：82

作者：

Feng, Ji-fei ^{[1
,2
,3
,4
]}

Liu, Tian-fu ^{[2
]}

Shi, Jianlin ^{[1
,3
,4
]}

Gao, Shui-ying ^{[2
]}

Cao, Rong ^{[1
,2
,4
]}

机构：

[1] ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China

[2] Chinese Acad Sci, Fujian Inst Res Struct Mater, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China

[3] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

[4] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

ACS APPLIED MATERIALS & INTERFACES | 2018年 / 10卷 / 24期

关键词：

metal-organic frameworks; polymer film; mixed-matrix; dual-emitting; ratiometric temperature sensing; MIXED-MATRIX MEMBRANES; ELECTROPHORETIC DEPOSITION; CO2; CAPTURE; LUMINESCENT; MOF; GAS; SEPARATION; NANOPARTICLES; THERMOMETER; FABRICATION;

D O I：

10.1021/acsami.8b04889

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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.

引用

页码：20854 / 20861

页数：8

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