ArticleNature communications2025
Disentangling the components of a multiconfigurational excited state in isolated chromophore with light-scanning-tunneling microscopy.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The trial behind it
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Who cites it
6 citing papers in PubMed.
- Tunable Luminescence from a Single Free-Base Porphyrin Molecule by Controlled Access to Optically Active States.ACS nano · 2026Article
- Visualizing excitonic states in constructed cyclic molecular architectures by tip-enhanced photoluminescence.Nature communications · 2026Article
- Unraveling the dynamics of multiple excited states in a single-molecule transistor.Nature communications · 2026Article
- Orbital-resolved imaging of coherent femtosecond exciton dynamics in coupled molecules.Nature communications · 2026Article
- Locally induced Stark shifts of collective excitonic modes in polyradical aggregates.Beilstein journal of nanotechnology · 2026Article
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Authors and funding
5 authors.
Funding
Abstract
Molecular radicals are efficient electroluminescent emitters due to the spin multiplicity of their electronic states. The excited states often exhibit a complex composition with multiple significant electronic configurations, which are essential for their optoelectronic properties but difficult to probe directly. Here we use light-scanning tunneling microscopy to investigate such an excited state by visualizing the response of a single radical molecule to a laser excitation. We observe characteristic atomic-scale spatial photocurrent patterns that can be tuned by applied bias voltage. We interpret these patterns as resulting from decay of an excited doublet state through sequential electron transfers with the tip and the substrate. The relative contributions of two dominating electronic configurations involved in this excited state are tuned by the applied voltage. This approach thus allows for disentangling the components of multiconfigurational excited states in single molecules.
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Registered trials
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