A Redox-Active Bistable Molecular Switch Mounted inside a Metal-Organic Framework

Qishui Chen; Junling Sun; Peng Li; Idan Hod; Peyman Z. Moghadam; Zachary S. Kean; Randall Q. Snurr; Joseph T. Hupp; Omar K. Farha; J. Fraser Stoddart

doi:10.1021/jacs.6b09880

A Redox-Active Bistable Molecular Switch Mounted inside a Metal-Organic Framework

Qishui Chen, Junling Sun, Peng Li, Idan Hod, Peyman Z. Moghadam, Zachary S. Kean, Randall Q. Snurr, Joseph T. Hupp, Omar K. Farha, J. Fraser Stoddart

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103 Scopus citations

Abstract

We describe the incorporation of a bistable mechanically interlocked molecule (MIM) into a robust Zr-based metal-organic framework (MOF), NU-1000, by employing a post-synthetic functionalization protocol. On average, close to two bistable [2]catenanes can be incorporated per repeating unit of the hexagonal channels of NU-1000. The reversible redox-switching of the bistable [2]catenanes is retained inside the MOF, as evidenced by solid-state UV-vis-NIR reflectance spectroscopy and cyclic voltammetry. This research demonstrates that bistable MIMs are capable of exhibiting robust dynamics inside the nanopores of a MOF.

Original language	English
Pages (from-to)	14242-14245
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	138
Issue number	43
DOIs	https://doi.org/10.1021/jacs.6b09880
State	Published - 2 Nov 2016
Externally published	Yes

Bibliographical note

Funding Information:
This research is part of the Joint Center of Excellence in Integrated Nano-Systems (JCIN) at King Abdulaziz City for Science and Technology (KACST) and Northwestern University (NU). The authors thank KACST and NU for their continued support of this research and gratefully acknowledge support from the International Institute for Nanotechnology at NU (Z.S.K.), U.S. DOE, Office of Science, Basic Energy Sciences (grant no. DE-FG02-87ER13808, J.T.H.), and NU (O.K.F.).

Publisher Copyright:
© 2016 American Chemical Society.

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abstract = "We describe the incorporation of a bistable mechanically interlocked molecule (MIM) into a robust Zr-based metal-organic framework (MOF), NU-1000, by employing a post-synthetic functionalization protocol. On average, close to two bistable [2]catenanes can be incorporated per repeating unit of the hexagonal channels of NU-1000. The reversible redox-switching of the bistable [2]catenanes is retained inside the MOF, as evidenced by solid-state UV-vis-NIR reflectance spectroscopy and cyclic voltammetry. This research demonstrates that bistable MIMs are capable of exhibiting robust dynamics inside the nanopores of a MOF.",

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AU - Kean, Zachary S.

AU - Snurr, Randall Q.

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A Redox-Active Bistable Molecular Switch Mounted inside a Metal-Organic Framework

Abstract

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