Design of collective motions from synthetic molecular switches, rotors, and motors

D Dattler, G Fuks, J Heiser, E Moulin, A Perrot… - Chemical …, 2019 - ACS Publications
Precise control over molecular movement is of fundamental and practical importance in
physics, biology, and chemistry. At nanoscale, the peculiar functioning principles and the …

Accounts of applied molecular rotors and rotary motors: recent advances

A Singhania, S Kalita, P Chettri, S Ghosh - Nanoscale Advances, 2023 - pubs.rsc.org
Molecular machines are nanoscale devices capable of performing mechanical works at
molecular level. These systems could be a single molecule or a collection of component …

A chiral molecular propeller designed for unidirectional rotations on a surface

Y Zhang, JP Calupitan, T Rojas, R Tumbleson… - Nature …, 2019 - nature.com
Synthetic molecular machines designed to operate on materials surfaces can convert
energy into motion and they may be useful to incorporate into solid state devices. Here, we …

Can aromaticity be a kinetic trap? Example of mechanically interlocked aromatic [2-5] catenanes built from cyclo [18] carbon

N Fedik, M Kulichenko, D Steglenko… - Chemical …, 2020 - pubs.rsc.org
The unusual stability of cyclo [18] carbon arising from its aromaticity might be used to
provide the kinetic trap** needed in the design of interlocked systems. The kinetic barrier …

Multi-functional switch effect in interlocking molecular rotators-on-graphene systems using electric fields

X Li, F Qi, R Zhao, Z Qiu, Y Li, M Long… - Journal of Materials …, 2022 - pubs.rsc.org
One approach to design electronic devices is to use molecules whose configuration can be
actively modified to control their electrical conductivity. A recent theoretical study provides a …

Interlocking molecular gear chains built on surfaces

R Zhao, F Qi, YL Zhao, KE Hermann… - The Journal of …, 2018 - ACS Publications
Periodic chains of molecular gears in which molecules couple with each other and rotate on
surfaces have been previously explored by us theoretically using ab initio simulation tools …

Mechanical transmission of rotational motion between molecular-scale gears

HH Lin, A Croy, R Gutierrez, C Joachim, G Cuniberti - Physical Review Applied, 2020 - APS
The manipulation and coupling of molecule gears is the first step toward realizing molecular-
scale mechanical machines. Here, we theoretically investigate the behavior of such gears …

How does the flexibility of molecules affect the performance of molecular rotors?

R Zhao, F Qi, RQ Zhang… - The Journal of Physical …, 2018 - ACS Publications
In research on molecular machines, the flexibility of the molecules has been shown to
significantly affect the performance of such “soft” machines and thus lead to unexpected …

Construction of triptycene molecular rotors with intermeshing arrangement and low rotational barrier

T Furuta, K Oka, N Tohnai - Bulletin of the Chemical Society of …, 2024 - academic.oup.com
Molecular rotors are one of the building blocks of molecular machines and they are nano-
sized with mechanically rotating moieties. Among them, intermeshing triptycenes with a gear …

Surface-mounted dipolar molecular rotors driven by external electric field, as revealed by torque analyses

YL Zhao, W Lin, K Jitapunkul, R Zhao, RQ Zhang… - ACS …, 2022 - ACS Publications
Driven by a high-speed rotating electric field (E-field), molecular motors with polar groups
may perform a unidirectional, repetitive, and GHz frequency rotation and thus offer potential …