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Issue 10, 2015
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Switching adhesion and friction by light using photosensitive guest–host interactions

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Abstract

Friction and adhesion between two β-cyclodextrin functionalized surfaces can be switched reversibly by external light stimuli. The interaction between the cyclodextrin molecules attached to the tip of an atomic force microscope and a silicon wafer surface is mediated by complexation of ditopic azobenzene guest molecules. At the single molecule level, the rupture force of an individual complex is 61 ± 10 pN.

Graphical abstract: Switching adhesion and friction by light using photosensitive guest–host interactions

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Publication details

The article was received on 18 Nov 2014, accepted on 11 Dec 2014 and first published on 11 Dec 2014


Article type: Communication
DOI: 10.1039/C4CC09204J
Citation: Chem. Commun., 2015,51, 1830-1833
  • Open access: Creative Commons BY-NC license
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    Switching adhesion and friction by light using photosensitive guest–host interactions

    J. Blass, B. L. Bozna, M. Albrecht, J. A. Krings, B. J. Ravoo, G. Wenz and R. Bennewitz, Chem. Commun., 2015, 51, 1830
    DOI: 10.1039/C4CC09204J

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