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Switching adhesion and friction by light using photosensitive guest-host interactions

  • Friction and adhesion between two [small beta]-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.

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Metadaten
Document Type:Article
Author:Johanna BlassORCiD, Bianca L. Bozna, Marcel AlbrechtORCiD, Jennifer A. Krings, Bart Jan RavooORCiD, Gerhard WenzORCiD, Roland BennewitzORCiD
URN:urn:nbn:de:bsz:291:415-1494
DOI:https://doi.org/10.1039/C4CC09204J
Parent Title (English):Chemical communications
Volume:51
Issue:10
First Page:1830
Last Page:1833
Language:English
Year of first Publication:2015
Release Date:2022/08/30
Impact:06.567 (2015)
Funding Information:Volkswagen Foundation
Scientific Units:Interactive Surfaces
DDC classes:500 Naturwissenschaften und Mathematik / 540 Chemie
Open Access:Open Access
Signature:INM 2015/012
Licence (German):License LogoCreative Commons - CC BY-NC - Namensnennung - Nicht kommerziell 4.0 International