ArticleScience advances2025
Ultrafast energy transfer beyond the Förster approximation in organic photovoltaic blends with non-fullerene acceptors.
Article in Science advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Alkylthienyl Side Groups in Conjugated Polymers Enable Localization of π Electron Density and Facilitate Efficient Hole Transfer.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- A Charge Transfer Mediated Sequential Triplet Energy Transfer Model Beyond the Dexter Limit in Organic Photocatalysis.JACS Au · 2025Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Recent studies on organic photovoltaic (OPV) systems have highlighted the critical role of energy transfer in excited-state dynamics. This process has traditionally been explained through the model of long-range Förster resonance energy transfer (FRET). In this study, we demonstrate a donor-to-acceptor short-range energy transfer (SRET) mechanism in OPV blends with non-fullerene acceptors, extending beyond the Förster approximation. This SRET occurs as a two-step process mediated by interfacial excitations with mixed charge-transfer and local excitation features. We further validate this model through studies on planar heterojunctions, precisely controlling the thickness of interlayers. These findings underscore the short-range interactions in regulating the donor-to-acceptor energy transfer in OPV blends, suggesting that SRET should be considered alongside FRET and charge-transfer processes for device optimizations.
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Registered trials
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