ArticleAngewandte Chemie (International ed. in English)2022
Real-time Observation of Structural Dynamics Triggering Excimer Formation in a Perylene Bisimide Folda-dimer by Ultrafast Time-Domain Raman Spectroscopy.
Article in Angewandte Chemie (International ed. in English), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 29 citations in OpenAlex.
- Excimer-mediated multiexciton generation in covalently linked cross foldamers of thiophene-fused perylene bisimides.Chemical science · 2026Article
- Conformational switching modulates excited-state pathways in a cofacial perylene dimer.Chemical science · 2026Article
- Controlling the fate of two triplet states: solid-state annihilator design for photon upconversion.Chemical science · 2026Review
- Excimer formation in zinc-phthalocyanine revealed using ultrafast electron diffraction.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Competitive Charge Separation Pathways in a Flexible Molecular Folda-Dimer.The journal of physical chemistry. B · 2024Article
- Excimer evolution hampers symmetry-broken charge-separated states.Chemical science · 2022Article
- Parallel triplet formation pathways in a singlet fission material.Nature communications · 2022Article
- Steering the multiexciton generation in slip-stacked perylene dye array via exciton coupling.Nature communications · 2022Article
- Real-time Observation of Structural Dynamics Triggering Excimer Formation in a Perylene Bisimide Folda-dimer by Ultrafast Time-Domain Raman Spectroscopy.Angewandte Chemie (International ed. in English) · 2022Article
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Authors and funding
7 authors at 4 institutions in 3 countries.
Funding
Abstract
In π-conjugated organic photovoltaic materials, an excimer state has been generally regarded as a trap state which hinders efficient excitation energy transport. But despite wide investigations of the excimer for overcoming the undesirable energy loss, the understanding of the relationship between the structure of the excimer in stacked organic compounds and its properties remains elusive. Here, we present the landscape of structural dynamics from the excimer formation to its relaxation in a co-facially stacked archetypical perylene bisimide folda-dimer using ultrafast time-domain Raman spectroscopy. We directly captured vibrational snapshots illustrating the ultrafast structural evolution triggering the excimer formation along the interchromophore coordinate on the complex excited-state potential surfaces and following evolution into a relaxed excimer state. Not only does this work showcase the ultrafast structural dynamics necessary for the excimer formation and control of excimer characteristics but also provides important criteria for designing the π-conjugated organic molecules.
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