Light-induced translation of motorized molecules on a surface

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Saywell, Alexander, Bakker, Anne, Mielke, Johannes, Kumagai, Takashi, Wolf, Martin, García-López, Víctor, Chiang, Pinn-Tsong, Tour, James M. and Grill, Leonhard (2016) Light-induced translation of motorized molecules on a surface. ACS Nano, 10 (12). pp. 10945-10952. ISSN 1936-086X

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Abstract

Molecular machines are a key component in the vision of molecular nanotechnology and have the potential to transport molecular species and cargo on surfaces. The motion of such machines should be triggered remotely, ultimately allowing a large number of molecules to be propelled by a single source, with light being an attractive stimulus. Here, we report upon the photoinduced translation of molecular machines across a surface by characterizing single molecules before and after illumination. Illumination of molecules containing a motor unit results in an enhancement in the diffusion of the molecules. The effect vanishes if an incompatible photon energy is used or if the motor unit is removed from the molecule, revealing that the enhanced motion is due to the presence of the wavelength-sensitive motor in each molecule.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/821580
Additional Information: This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Nano, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://dx.doi.org/10.1021/acsnano.6b05650
Keywords: Diffusion, Molecular devices, Molecular motor, Scanning probe microscopy, Photoexcitation, Photochemistry, Molecular machines
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
Identification Number: https://doi.org/10.1021/acsnano.6b05650
Depositing User: Blore, Mrs Kathryn
Date Deposited: 07 Nov 2016 14:56
Last Modified: 04 May 2020 18:15
URI: https://eprints.nottingham.ac.uk/id/eprint/38562

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