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May 2, 2026

Mechanically Induced Switching Between Orbital- and Fano-Resonance Rectification in a Dual-Anchored Molecular Junction.

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Authors

XSXin SunRLRan LiuSMSamjhana Maharjan

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Overview

Randomized trial demonstrates dual-mode rectification in molecular junctions, suggesting novel engineering strategies.

Key Points

  • The aim is to explore and control charge transport through individual molecules using dual-mode rectification mechanisms.
  • Used scanning tunneling microscopy break-junction (STM-BJ) measurements for mechanical modulation.
  • Programmed the interface with a heterofunctional scaffold bearing thiol and carboxyl anchors.
  • Analyzed current-voltage characteristics to differentiate between rectification mechanisms.
  • Identified two conductance states corresponding to specific contact configurations.
  • The S-Au/COO-Au configuration rectified through asymmetric molecular-orbital alignment.
  • The COO-Au/COO-Au configuration resulted in rectification via a bias-dependent Fano-resonance pathway.

Cite This Study

Sun et al. (2026) studied this question.

synapsesocial.com/papers/69f5949771405d493afff6b2https://doi.org/10.1002/anie.3716518
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