A Nanocar and Rotor in One Molecule.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 36638056.
- Also identified by DOI 10.1021/acsnano.2c12128.
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Abstract
Depending on its adsorption conformation on the Au(111) surface, a zwitterionic single-molecule machine works in two different ways under bias voltage pulses. It is a unidirectional rotor while anchored on the surface. It is a fast-drivable molecule vehicle (nanocar) while physisorbed. By tuning the surface coverage, the conformation of the molecule can be selected to be either rotor or nanocar. The inelastic tunneling excitation producing the movement is investigated in the same experimental conditions for both the unidirectional rotation of the rotor and the directed movement of the nanocar.