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May 3, 20261 citations

Engineering Multilevel Molecular Switches via Intermolecular Coupling

Engineering Structural Transitions in a Multilevel Molecular Switch via Intermolecular Coupling.

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Authors

YSYueqing ShiZWZihao WangWQWeike Quan

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Overview

Randomized trial demonstrates enhanced switching functionality in molecular devices, indicating new design principles for electronics.

Key Points

  • To investigate the engineering of multilevel molecular switches using intermolecular coupling.
  • Utilized low-temperature scanning tunneling microscopy to study pyrrolidine dimer on Cu(100)
  • Analyzed six distinct adsorption conformations resulting from intermolecular forces
  • Controlled molecular behavior by tuning bias voltage and tip-molecule distance
  • Demonstrated six distinct conformations, surpassing the expected four from two independent bistable units
  • Achieved switching efficiency an order of magnitude higher than the monomer
  • Identified a sequential two-step pathway for transitions driven by low-energy electron excitations

Cite This Study

Shi et al. (2026) studied this question.

synapsesocial.com/papers/69f6e6e68071d4f1bdfc786dhttps://doi.org/10.1021/jacs.5c23182
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