Transmitting stepwise rotation among three molecule-gear on the Au(111) surface

Yeung KHA, Kuehne T, Eisenhut F, Kleinwachter M, Gisbert Y, Robles R, Lorente N, Cuniberti G, Joachim C, Rapenne G, Kammerer C, Moresco F (2020)


Publication Type: Journal article

Publication year: 2020

Journal

Book Volume: 11

Pages Range: 6892-6899

Journal Issue: 16

DOI: 10.1021/acs.jpclett.0c01747

Abstract

The realization of a train of molecule-gears working under the tip of a scanning tunneling microscope (STM) requires a stable anchor of each molecule to the metal surface. Such an anchor can be promoted by a radical state of the molecule induced by a dissociation reaction. Our results, rationalized by density functional theory calculations, reveal that such an open radical state at the core of star-shaped pentaphenylcyclopentadiene (PPCP) favors anchoring. Furthermore, to allow the transmission of motion by STM manipulation, the molecule-gears should be equipped with specific groups facilitating the tip-molecule interactions. In our case, a tert-butyl group positioned at one tooth end of the gear benefits both the tip-induced manipulation and the monitoring of rotation. With this optimized molecule, we achieve reproducible and stepwise rotations of the single gears and transmit rotations for up to three interlocked units.

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How to cite

APA:

Yeung, K.H.A., Kuehne, T., Eisenhut, F., Kleinwachter, M., Gisbert, Y., Robles, R.,... Moresco, F. (2020). Transmitting stepwise rotation among three molecule-gear on the Au(111) surface. Journal of Physical Chemistry Letters, 11(16), 6892-6899. https://doi.org/10.1021/acs.jpclett.0c01747

MLA:

Yeung, Kwan Ho Au, et al. "Transmitting stepwise rotation among three molecule-gear on the Au(111) surface." Journal of Physical Chemistry Letters 11.16 (2020): 6892-6899.

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