ArticleNature chemistry2026
Photoinduced electron-transfer distance is controlled by the driving force in solid-state organic donor-acceptor systems.
Article in Nature chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed.
- DFT investigation of fluorination sites effects on the photovoltaic performance of D-π-A donor materials.Journal of molecular modeling · 2026Article
- Reprogramming Photosensitization Mechanisms for Hypoxic Tumor Therapy via Organic Photovoltaic-Inspired Heterojunctions.Angewandte Chemie (International ed. in English) · 2026Article
- Conductivity Spectroscopy for Investigation and Discovery of Photovoltaic Materials.Chemical reviews · 2026Review
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Understanding how short-range electron transfer generates photocurrent in organic solar cells and what photochemical driving force is needed to maximize efficiencies has been an immensely difficult problem. Here we show how these questions are intertwined: the driving force controls the average charge-transfer distance, skipping the shortest-range states in the optimal case. Using photoinduced absorption-detected magnetic resonance, we measure average charge-separation distances in dilute donor-acceptor blends as a function of driving force, and compare these with free charge yields measured by time-resolved microwave conductivity. We find that the largest driving forces show the shortest charge-separation distances, explaining their suppressed free-carrier generation. These results support a long-range electron-transfer model, wherein the driving force controls the initial delocalization of the electron-hole pair. The minimum driving force required for efficient charge separation (and minimal voltage losses) is ultimately set by the dielectric constant of the material.
Identifiers
41882116What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.