Breathing-Dependent Redox Activity in a Tetrathiafulvalene-Based Metal-Organic Framework

被引：72

作者：

Souto, Manuel ^{[1
]}

Romero, Jorge ^{[1
]}

Calbo, Joaquin ^{[2
]}

Vitorica-Yrezabal, Inigo J. ^{[4
]}

Zafra, Jose L. ^{[5
]}

Casado, Juan ^{[5
]}

Orti, Enrique ^{[1
]}

Walsh, Aron ^{[2
,3
]}

Minguez Espallargas, Guillermo ^{[1
]}

机构：

[1] Univ Valencia, Inst Ciencia Mol ICMo1, C Catedratico Jose Beltran 2, Paterna 46980, Spain

[2] Imperial Coll London, Dept Mat, London SW7 2AZ, England

[3] Yonsei Univ, Dept Mat Sci & Engn, Seoul 03722, South Korea

[4] Univ Manchester, Sch Chem, Oxford Rd, Manchester M13 9PL, Lancs, England

[5] Univ Malaga, Dept Quim Fis, E-29071 Malaga, Spain

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2018年 / 140卷 / 33期

基金：

英国工程与自然科学研究理事会;

关键词：

CONDUCTIVITY; UNITS; MOFS; NI;

D O I：

10.1021/jacs.8b05890

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

"Breathing" metal-organic frameworks (MOFs) that involve changes in their structural and physical properties upon an external stimulus are an interesting class of crystalline materials due to their range of potential applications including chemical sensors. The addition of redox activity opens up a new pathway for multifunctional "breathing" frameworks. Herein, we report the continuous breathing behavior of a tetrathiafulvalene (TTF)-based MOF, namely MUV-2, showing a reversible swelling (up to ca. 40% of the volume cell) upon solvent adsorption. Importantly, the planarity of the TTF linkers is influenced by the breathing behavior of the MOF, directly impacting on its electrochemical properties and thus opening the way for the development of new electrochemical sensors. Quantum chemical calculations and Raman spectroscopy have been used to provide insights into the tunability of the oxidation potential.

引用

页码：10562 / 10569

页数：8

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