Chemistry

Decorating polymer beads with 10<sup>14</sup> inorganic-organic [2]rotaxanes as shown by spin counting

D. Asthana, D. Thomas, et al.

This groundbreaking research showcases the attachment of about 10^14 hybrid inorganic-organic [2]rotaxanes to polystyrene beads, paving the way for advancements in polymetallic complex applications. Conducted by noted researchers including Deepak Asthana and Dean Thomas, this study leverages EPR spectroscopy for verification, marking a significant milestone in polymer chemistry.... show more

Abstract

Polymer beads have been used as the core of magnetic particles for around twenty years. Here we report studies to attach polymetallic complexes to polymer beads for the first time, producing beads of around 115 microns diameter that are attached to 10^14 hybrid inorganic-organic [2]rotaxanes. The bead is then formally a [10^14] rotaxane. The number of complexes attached is counted by EPR spectroscopy after including TEMPO radicals within the thread of the hybrid [2]rotaxanes.

Publisher

Communications Chemistry

Published On

Jun 20, 2022

Authors

Deepak Asthana, Dean Thomas, Selena J. Lockyer, Adam Brookfield, Grigore A. Timco, Iñigo J. Vitorica-Yrezabal, George F. S. Whitehead, Eric J. L. McInnes, David Collison, David A. Leigh, Richard E. P. Winpenny

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