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Adv Mater. 2012 Dec 4;24(46):6193-8. doi: 10.1002/adma.201202673. Epub 2012 Sep 27.

Malachite green derivative-functionalized single nanochannel: light-and-pH dual-driven ionic gating.

Author information

  • 1Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China.

Abstract

A highly efficient and perfectly reversible ionic gate that can be activated by pH or UV light is demonstrated. Switching between the OFF state and the ON state is mainly dependent on the surface charge transition brought about by a malachite green derivative attached to the interior surface of an ion track-etched conical nanochannel, which makes it suitable for confined spaces. Applications in electronics, actuators, and biosensors can be foreseen.

PMID:
23019021
DOI:
10.1002/adma.201202673
[PubMed - indexed for MEDLINE]
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