What is it about?

In order that they conduct electricity conductive polymers require to be electrically charged by an oxidising or reducing process. If the conductive polymer is in the conformation of a helix (with an internal axial cavity) ions can migrate along the axis. Charging the polymer to make it conducting influences the facility of axial migration of the ions.

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Why is it important?

The migration of species (small molecules and ions) through a synthetic channel or conductor plays a role in the development of 'molecular machines' which are synthesised to perform mechanical-like tasks.

Perspectives

My hope is that the understanding of how migrants move through a man-made channel will encourage chemists to design molecular architectures that will make such transport efficient and useful.

D A Morton-Blake
University of Dublin Trinity College

Read the Original

This page is a summary of: Ion Selection by Redox Changes in a Soluble Helical Polythiophene Channel, Diffusion Foundations, October 2016, Trans Tech Publications,
DOI: 10.4028/www.scientific.net/df.9.1.
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