Driving and controlling molecular surface rotors with a terahertz electric field

ACS Nano
Jan NeumannR Dean Astumian

Abstract

Great progress has been made in the design and synthesis of molecular motors and rotors. Loosely inspired by biomolecular machines such as kinesin and the FoF1 ATPsynthase, these molecules are hoped to provide elements for construction of more elaborate structures that can carry out tasks at the nanoscale corresponding to the tasks accomplished by elementary machines in the macroscopic world. Most of the molecular motors synthesized to date suffer from the drawback that they operate relatively slowly (less than kHz). Here we show by molecular dynamics studies of a diethyl sulfide rotor on a gold(111) surface that a high-frequency oscillating electric field normal to the surface can drive directed rotation at GHz frequencies. The maximum directed rotation rate is 10(10) rotations per second, significantly faster than the rotation of previously reported directional molecular rotors. Understanding the fundamental basis of directed motion of surface rotors is essential for the further development of efficient externally driven artificial rotors. Our results represent a step toward the design of a surface-bound molecular rotary motor with a tunable rotation frequency and direction.

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Citations

Jan 28, 2014·Nanoscale·Jorge EcheverriaChristian Joachim
Jan 17, 2013·The Journal of Chemical Physics·Alexey V AkimovNikolai A Sinitsyn
Feb 18, 2015·Angewandte Chemie·Silvia BraccoPiero Sozzani
Sep 17, 2013·Angewandte Chemie·Xin SuIvan Aprahamian
Jul 23, 2014·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Colin J Murphy, E Charles H Sykes
May 7, 2016·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·R Dean AstumianArieh Warshel
May 2, 2013·The Journal of Physical Chemistry Letters·Cristina García-IriepaLuis Manuel Frutos
Jan 28, 2014·ACS Nano·Matias TimmermansVictor V Moshchalkov
Jan 1, 2014·Journal of the American Chemical Society·Angiolina ComottiPiero Sozzani
Sep 12, 2019·Physical Chemistry Chemical Physics : PCCP·Hongqian SangLev Kantorovich
Jul 31, 2019·Chemical Science·David Abbasi-PérezLev Kantorovich
Nov 10, 2015·Physical Review Letters·Galen T Craven, Rigoberto Hernandez
Oct 9, 2018·Journal of the American Chemical Society·Mark J MoranIvan Aprahamian
Jan 31, 2013·The Journal of Physical Chemistry. B·Ekaterina R GasilovaBoris A Trofimov

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