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Issue 31, 2018
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Cucurbit[7]uril-based high-performance catalytic microreactors

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Catalytic microreactors manufactured using microfluidic devices have received significant research interest in recent years. However, little attention has been paid to immobilising metallic nanoparticles (NPs) onto microchannel walls for high efficiency catalytic reactions. We demonstrate a facile preparation of cucurbit[7]uril-based catalytic microreactors, where metallic NPs are immobilised onto microchannels via supramolecular complexation with methyl viologen@cucurbit[7]uril (CB[7]). These microreactors exhibit a remarkable catalytic activity owing to the substantially high surface area to volume ratio of the microchannels and metallic NPs. Superior to most conventional heterogeneous catalytic reactions, separation post reaction and complicated recycling steps of the catalysts are not required. Moreover, CB[7] can complex a variety of metallic NPs to its portal, providing a multifunctional high-performance in situ catalytic platform.

Graphical abstract: Cucurbit[7]uril-based high-performance catalytic microreactors

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Supplementary files

Article information

10 Apr 2018
08 Jun 2018
First published
27 Jul 2018

This article is Open Access

Nanoscale, 2018,10, 14835-14839
Article type

Cucurbit[7]uril-based high-performance catalytic microreactors

X. Ren, Z. Yu, Y. Wu, J. Liu, C. Abell and O. A. Scherman, Nanoscale, 2018, 10, 14835
DOI: 10.1039/C8NR02900H

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