- An ultrafast surface-bound photo-active molecular motor
- Photochemical & Photobiological Sciences
- Volume | Issue number
- 13 | 2
- Pages (from-to)
- Document type
- Faculty of Science (FNWI)
- Van 't Hoff Institute for Molecular Sciences (HIMS)
We report the synthesis and surface attachment of an ultrafast light-driven rotary molecular motor. Transient absorption spectroscopy revealed that the half-life of the rate determining thermal step of the rotary cycle in solution is 38 +/- 1 ns, the shortest yet observed, making this the fastest molecular motor reported. Incorporation of acetylene legs into the structure allowed the motors to be grafted to azide-modified quartz and silicon substrates using the "click" 1,3-dipolar cycloaddition reaction.
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