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Stabilization of Polyoxometalate Charge Carriers via Redox?Driven Nanoconfinement in Single?Walled Carbon Nanotubes

Jordan, Jack W.; Cameron, Jamie M.; Lowe, Grace A.; Rance, Graham A.; Fung, Kayleigh L. Y.; Johnson, Lee R.; Walsh, Darren A.; Khlobystov, Andrei N.; Newton, Graham N.


Jack W. Jordan

Jamie M. Cameron

Grace A. Lowe

Kayleigh L. Y. Fung

Associate Professor of Chemistry


We describe the preparation of hybrid redox materials based on polyoxomolybdates encapsulated within single-walled carbon nanotubes (SWNTs). Polyoxomolybdates readily oxidize SWNTs under ambient conditions in solution, and here we study their charge-transfer interactions with SWNTs to provide detailed mechanistic insights into the redox-driven encapsulation of these and similar nanoclusters. We are able to correlate the relative redox potentials of the encapsulated clusters with the level of SWNT oxidation in the resultant hybrid materials and use this to show that precise redox tuning is a necessary requirement for successful encapsulation. The host–guest redox materials described here exhibit exceptional electrochemical stability, retaining up to 86 % of their charge capacity over 1000 oxidation/reduction cycles, despite the typical lability and solution-phase electrochemical instability of the polyoxomolybdates we have explored. Our findings illustrate the broad applicability of the redox-driven encapsulation approach to the design and fabrication of tunable, highly conductive, ultra-stable nanoconfined energy materials.


Jordan, J. W., Cameron, J. M., Lowe, G. A., Rance, G. A., Fung, K. L. Y., Johnson, L. R., …Newton, G. N. (2022). Stabilization of Polyoxometalate Charge Carriers via Redox‐Driven Nanoconfinement in Single‐Walled Carbon Nanotubes. Angewandte Chemie International Edition, 61(8), Article e202115619.

Journal Article Type Article
Acceptance Date Dec 17, 2021
Online Publication Date Jan 3, 2022
Publication Date Feb 14, 2022
Deposit Date Jan 4, 2022
Publicly Available Date Jan 10, 2022
Journal Angewandte Chemie - International Edition
Print ISSN 1433-7851
Electronic ISSN 1521-3773
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 61
Issue 8
Article Number e202115619
Keywords General Chemistry; Catalysis
Public URL
Publisher URL


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