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Updated: Aug 23, 2025
08:40
Light-driven Molecular Motors on Surfaces for Single Molecular Imaging
Published on: March 13, 2019
11.5K
Dual-function artificial molecular motors performing rotation and photoluminescence
Lukas Pfeifer1, Nong V Hoang2, Stefano Crespi1
1Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, Netherlands.
Science Advances
|November 4, 2022
Summary
Researchers developed artificial molecular motors with dual rotary motion and photoluminescence functions. These motors are controlled by light, enabling noninvasive operation and localization for advanced molecular machine applications.
Area of Science:
- Chemistry
- Materials Science
- Nanotechnology
Background:
- Molecular machines represent a significant paradigm shift in chemistry.
- Artificial mechanical molecular systems and autonomous motion are key to future technologies.
- Integrating multiple, orthogonally controllable functions into molecular machines remains a challenge.
Purpose of the Study:
- To present a prototype of artificial molecular motors with dual functions.
- To demonstrate controllable rotary motion and photoluminescence.
- To enable noninvasive in situ operation and localization of molecular motors.
Main Methods:
- Design of molecules with dual rotary motion and photoluminescence capabilities.
- Light-based control using different wavelengths.
- Exploitation of two-photon absorption properties with near-infrared light.
Main Results:
- Successful demonstration of a molecular motor prototype with combined rotary motion and photoluminescence.
- Orthogonal control of both functions achieved via different light wavelengths.
- Effective operation and localization using low-intensity near-infrared light due to two-photon absorption.
Conclusions:
- The developed molecular motors offer a novel platform for advanced molecular machine applications.
- Dual functionality and noninvasive light control are crucial for operation in complex environments.
- This work paves the way for sophisticated molecular systems in fields like nanomedicine and advanced materials.
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