Effective Gating in Single-Molecule Junctions through Fano Resonances
Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
The successful incorporation of molecules as active circuit elements relies on the ability to tune their electronic properties through chemical design. A synthetic strategy that has been used to manipulate and gate circuit conductance involves attaching a pendant substituent along the molecular conduction pathway. However, such a chemical gate has not yet been shown to significantly modify conductance. Here, we report a novel series of triarylmethylium and triangulenium carbocations gated by different substituents coupled to the delocalized conducting orbitals on the molecular backbone through a Fano resonance. By changing the pendant substituents to modulate the position of the Fano resonance and its coupling to the conducting orbitals, we can regulate the junction conductance by a remarkable factor of 450. This work thus provides a new design principle to enable effective chemical gating of single-molecule devices toward effective molecular transistors.
Originalsprog | Engelsk |
---|---|
Tidsskrift | Journal of the American Chemical Society |
Vol/bind | 146 |
Udgave nummer | 6 |
Sider (fra-til) | 3646-3650 |
Antal sider | 5 |
ISSN | 0002-7863 |
DOI | |
Status | Udgivet - 2024 |
Bibliografisk note
Publisher Copyright:
© 2024 American Chemical Society.
ID: 383195015