Redox Activation of a Polyaniline-Coated Cantilever: An Electro-Driven Microdevice

Michal Lahav; Colm Durkan; Rachel Gabai; Eugenii Katz; Itamar Willner; Mark E Welland

doi:10.1002/1521-3773(20011105)40:21<4095::AID-ANIE4095>3.0.CO;2-9

Redox Activation of a Polyaniline-Coated Cantilever: An Electro-Driven Microdevice

Angew Chem Int Ed Engl. 2001 Nov 5;40(21):4095-4097. doi: 10.1002/1521-3773(20011105)40:21<4095::AID-ANIE4095>3.0.CO;2-9.

Authors

Michal Lahav¹, Colm Durkan², Rachel Gabai¹, Eugenii Katz¹, Itamar Willner¹, Mark E Welland²

Affiliations

¹ Institute of Chemistry The Hebrew University of Jerusalem Jerusalem 91904 (Israel) Fax: (+972) 2-6527715.
² Department of Engineering, University of Cambridge, Cambridge CB2 1PZ (UK).

PMID: 29712250
DOI: 10.1002/1521-3773(20011105)40:21<4095::AID-ANIE4095>3.0.CO;2-9

Abstract

Bent by oxidation! A polyaniline (PAn, blue) coated cantilever acts as an electro-driven microdevice. Reversible oxidation/reduction of the PAn results in reversible deflection of the cantilever originating from the electrostatic repulsion of the charged polymer chains of PAn²⁺ (green).

Keywords: electrochemistry; interfaces; molecular devices; polymers; thin films.