ArticleJournal of the American Chemical Society2023
Directed Gradients in the Excited-State Energy Landscape of Poly(3-hexylthiophene) Nanofibers.
Article in Journal of the American Chemical Society, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Noncovalent Synthesis of Topological Heterostructures Using a Site-Selective Electrostatic Co-Assembly Strategy.Angewandte Chemie (International ed. in English) · 2025Article
- Tailored Supramolecular Additives to Control the Crystallization Process and Morphology of MAPbISmall (Weinheim an der Bergstrasse, Germany) · 2025Article
- Photochemical initiation of polariton-mediated exciton propagation.Nanophotonics (Berlin, Germany) · 2024Article
- Spatial Correlations Drive Long-Range Transport and Trapping of Excitons in Single H-Aggregates: Experiment and Theory.The journal of physical chemistry letters · 2024Article
- Unusual Photophysical Properties of Porphyrin-Based Supramolecular Polymers Unveiled: The Role of Metal Ligands and Side Group Amide Connectivity.The journal of physical chemistry. C, Nanomaterials and interfaces · 2023Article
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Authors and funding
7 authors.
Funding
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Abstract
Funneling excitation energy toward lower energy excited states is a key concept in photosynthesis, which is often realized with at most two chemically different types of pigment molecules. However, current synthetic approaches to establish energy funnels, or gradients, typically rely on Förster-type energy-transfer cascades along many chemically different molecules. Here, we demonstrate an elegant concept for a gradient in the excited-state energy landscape along micrometer-long supramolecular nanofibers based on the conjugated polymer poly(3-hexylthiophene), P3HT, as the single component. Precisely aligned P3HT nanofibers within a supramolecular superstructure are prepared by solution processing involving an efficient supramolecular nucleating agent. Employing hyperspectral imaging, we find that the lowest-energy exciton band edge continuously shifts to lower energies along the nanofibers' growth direction. We attribute this directed excited-state energy gradient to defect fractionation during nanofiber growth. Our concept provides guidelines for the design of supramolecular structures with an intrinsic energy gradient for nanophotonic applications.
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Registered trials
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