ArticleNano letters2019
Charge Carrier Injection Electroluminescence with CO-Functionalized Tips on Single Molecular Emitters.
Article in Nano letters, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 29 citations in OpenAlex.
- Single-Molecule Phosphorescence and Intersystem Crossing in a Coupled Exciton Plasmon System.ACS nano · 2025Article
- Probing Molecular Properties at Atomic Length Scale Using Charge-State Control.Chemical reviews · 2025Review
- Exploring the Role of Excited States' Degeneracy on Vibronic Coupling with Atomic-Scale Optics.ACS nano · 2024Article
- Activating the Fluorescence of a Ni(II) Complex by Energy Transfer.Journal of the American Chemical Society · 2024Article
- Charge-state lifetimes of single molecules on few monolayers of NaCl.Nature communications · 2023Article
- Evidence of exciton-libron coupling in chirally adsorbed single molecules.Nature communications · 2022Article
- Energy funnelling within multichromophore architectures monitored with subnanometre resolution.Nature chemistry · 2021Article
- Plasmon-Driven Motion of an Individual Molecule.Nano letters · 2021Article
- Gigahertz Frame Rate Imaging of Charge-Injection Dynamics in a Molecular Light Source.Nano letters · 2021Article
- Exciton-Trion Conversion Dynamics in a Single Molecule.ACS nano · 2021Article
- Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We investigate electroluminescence of single molecular emitters on NaCl on Ag(111) and Au(111) with submolecular resolution in a low-temperature scanning probe microscope with tunneling current, atomic force, and light detection capabilities. The role of the tip state is studied in the photon maps of a prototypical emitter, zinc phthalocyanine (ZnPc), using metal and CO-metal tips. CO-functionalization is found to have an impact on the resolution and contrast of the photon maps due to the localized overlap of the p-orbitals on the tip with the molecular orbitals of the emitter. The possibility of using the same CO-functionalized tip for tip-enhanced photon detection and high resolution atomic force is demonstrated. We study the electroluminescence of ZnPc, induced by charge carrier injection at sufficiently high bias voltages. We propose that the distinct level alignment of the ZnPc frontier orbitals with the Au(111) and Ag(111) Fermi levels governs the primary excitation mechanisms as the injection of electrons and holes from the tip into the molecule, respectively. These findings put forward the importance of the tip status in the photon maps and contribute to a better understanding of the photophysics of organic molecules on surfaces.
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Registered trials
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