Breathing-Dependent Redox Activity in a Tetrathiafulvalene-Based Metal-Organic Framework
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Souto, Manuel; Romero Pascual, Jorge; Calbo Roig, Joaquín; Vitórica-Yrezábal, Iñigo J.; Zafra, José L.; Casado, Juan; Ortí Guillén, Enrique; Walsh, Aron; Mínguez Espallargas, Guillermo
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Aquest document és un/a article, creat/da en: 2018
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'Breathing' metal-organic frameworks (MOFs) which 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 multi-functional '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, directly impacting on their electrochemical properties, 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.
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Souto, Manuel Romero Pascual, Jorge Calbo Roig, Joaquín Vitórica-Yrezábal, Iñigo J. Zafra, José L. Casado, Juan Ortí Guillén, Enrique Walsh, Aron Mínguez Espallargas, Guillermo 2018 Breathing-Dependent Redox Activity in a Tetrathiafulvalene-Based Metal-Organic Framework Journal of the American Chemical Society 140 33 10562 10569 |
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https://doi.org/10.1021/jacs.8b05890
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