ArticleChemical science2020
Photo-induced carbocation-enhanced charge transport in single-molecule junctions.
Article in Chemical science, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed.
- Molecular Rectification: Mechanisms, Modulation Strategies, and Device Realization.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Development and mechanisms of photo-induced molecule junction device.Nanophotonics (Berlin, Germany) · 2024Review
- Light-Driven Charge Transport and Optical Sensing in Molecular Junctions.Nanomaterials (Basel, Switzerland) · 2022Review
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We report the first example of photo-induced carbocation-enhanced charge transport in triphenylmethane junctions using the scanning tunneling microscopy break junction (STM-BJ) technique. The electrical conductance of the carbocation state is enhanced by up to 1.5 orders of magnitude compared to the initial state, with stability lasting for at least 7 days. Moreover, we can achieve light-induced reversible conductance switching with a high ON-OFF ratio in carbocation-based single-molecule junctions. Theoretical calculations reveal that the conductance increase is due to a significant decrease of the HOMO-LUMO gap and also the enhanced transmission close to the Fermi levels when the carbocation forms. Our findings encourage continued research toward developing optoelectronics and carbocation-based devices at the single-molecule level.
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Registered trials
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