Electrochemical control of a non-covalent binding between ferrocene and beta-cyclodextrin

V. Kolivoška; M. Mohos; I. V. Pobelov; S. Rohrbach; K. Yoshida; W. J. Hong; Y. C. Fu; P. Moreno-García; G. Mészáros; P. Broekmann; M. Hromadová; R. Sokolová; M. Valášek; Th. Wandlowski

doi:10.1039/C4CC04102J

Electrochemical control of a non-covalent binding between ferrocene and beta-cyclodextrin†

V. Kolivoška,*^ab M. Mohos,^a I. V. Pobelov,^a S. Rohrbach,^a K. Yoshida,^a W. J. Hong,

^a Y. C. Fu,^a P. Moreno-García,^a G. Mészáros,^c P. Broekmann,^a M. Hromadová,^b R. Sokolová,^b M. Valášek*^d and Th. Wandlowski^a

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^a Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland

^b J. Heyrovský Institute of Physical Chemistry of ASCR, v.v.i., Dolejškova 3, 18223 Prague, Czech Republic
E-mail: viliam.kolivoska@jh-inst.cas.cz

^c Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Magyar tudósok körútja 2, 1117 Budapest, Hungary

^d Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
E-mail: michal.valasek@kit.edu

Abstract

The forces required for the detachment of ferrocene (Fc) from β-cyclodextrin (βCD) in a single host (βCD)–guest (Fc) complex were investigated using force spectroscopy under electrochemical conditions. The redox state of the guest Fc moiety as well as the structure of the supporting matrix was found to decisively affect the nanomechanical properties of the complex.

Chemical Communications

Electrochemical control of a non-covalent binding between ferrocene and beta-cyclodextrin†

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Electrochemical control of a non-covalent binding between ferrocene and beta-cyclodextrin

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