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

Research output: Contribution to journalArticlepeer-review

103 Scopus citations


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 languageEnglish
Pages (from-to)14242-14245
Number of pages4
JournalJournal of the American Chemical Society
Issue number43
StatePublished - 2 Nov 2016
Externally publishedYes

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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