Issue 32, 2010

Pdop layer exhibiting zwitterionicity: a simple electrochemical interface for governing ion permeability

Abstract

Polydopamine film which contains amine groups and phenolic hydroxyl groups exhibits fully reversible, pH-switchable permselectivity for both cationic and anionic redox-active probe molecules. At high pH the film has a net negative charge that excludes anions but passes cations; at low pH it is positively charged and excludes cations but passes anions.

Graphical abstract: Pdop layer exhibiting zwitterionicity: a simple electrochemical interface for governing ion permeability

Article information

Article type
Communication
Submitted
26 Mar 2010
Accepted
21 Jun 2010
First published
07 Jul 2010

Chem. Commun., 2010,46, 5900-5902

Pdop layer exhibiting zwitterionicity: a simple electrochemical interface for governing ion permeability

B. Yu, J. Liu, S. Liu and F. Zhou, Chem. Commun., 2010, 46, 5900 DOI: 10.1039/C0CC00596G

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