Related Experiment Video
Updated: Mar 1, 2026

Light-driven Molecular Motors on Surfaces for Single Molecular Imaging
Published on: March 13, 2019
Locked synchronous rotor motion in a molecular motor
Peter Štacko1, Jos C M Kistemaker1, Thomas van Leeuwen1
1Centre for Systems Chemistry, Stratingh Institute for Chemistry and Zernike Institute for Advanced Materials, Faculty of Mathematics and Natural Sciences, University of Groningen, Nijenborgh 4, Groningen 9747 AG, Netherlands.
Researchers developed a novel molecular rotary motor that converts light-driven motion into controlled movement of a connected rotor. This breakthrough enables precise nanoscale mechanical functions by coupling distinct molecular components.
Area of Science:
- Nanotechnology
- Molecular machines
- Biophysics
Background:
- Biological molecular motors enable controlled mechanical functions by translating local motion.
- Designing nanoscale geared systems for directional motion coupling is challenging.
Purpose of the Study:
- To report a novel molecular rotary motor.
- To achieve controlled movement of a connected biaryl rotor using light-driven unidirectional rotary motion.
Main Methods:
- Development of a multicomponent mechanical system.
- Precise control of kinetic barriers for isomerization and synchronous motion.
Main Results:
- Demonstrated light-driven unidirectional rotary motion.
- Achieved coupled sliding and rotation of distinct parts during a full rotary cycle.
- Ensured consistent motor orientation relative to the rotor.
Conclusions:
- The developed molecular motor successfully translates light energy into controlled mechanical work at the nanoscale.
- This system offers a new paradigm for designing complex molecular machinery.
Related Concept Videos
Electro-mechanical Systems
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
Rotational Motion about a Fixed Axis
Mechanism of Ciliary Motion
The cilia are made up of microtubules in a 9+2 arrangement, with nine microtubule doublet ring bundles, surrounding a pair of central singlet microtubule bundles. The doublet microtubule bundles are...
Force On A Current Loop In A Magnetic Field
Torque Free Motion
Conservation of Angular Momentum

