ArticleNature communications2020
Molecular vibrations reduce the maximum achievable photovoltage in organic solar cells.
Article in Nature communications, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 12 papers.
What it found
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Who cites it
12 citing papers in PubMed, 50 citations in OpenAlex.
- Charge-Transfer Exciton Flows: Red Luminescent ZnAngewandte Chemie (International ed. in English) · 2026Article
- Single-Atom Tuning of Structural and Optoelectronic Properties in Halogenated Anthracene-Based Covalent Organic Frameworks.ACS omega · 2026Article
- A donor-acceptor integrated polymer for efficient organic solar cells.Science advances · 2026Article
- Suppressing electron-phonon coupling and energy loss in organic solar cells by modulating donor-acceptor penetrated-interface.Nature communications · 2026Article
- Highly Crystalline and Oriented Thin Films of Fully Conjugated 3D-Covalent Organic Frameworks.Angewandte Chemie (International ed. in English) · 2025Article
- Effective Electron-Vibration Coupling by Ab Initio Methods.Journal of chemical theory and computation · 2025Article
- Sensitive Self-Driven Single-Component Organic Photodetector Based on Vapor-Deposited Small Molecules.Advanced materials (Deerfield Beach, Fla.) · 2024Article
- Directed exciton transport highways in organic semiconductors.Nature communications · 2023Article
- Spirocyclic side chain of a non-fullerene acceptor enables efficient organic solar cells with reduced recombination loss and energetic disorder.RSC advances · 2022Article
- Reducing Non-Radiative Voltage Losses by Methylation of Push-Pull Molecular Donors in Organic Solar Cells.ChemSusChem · 2021Article
- Influence of static disorder of charge transfer state on voltage loss in organic photovoltaics.Nature communications · 2021Article
- Long-lived and disorder-free charge transfer states enable endothermic charge separation in efficient non-fullerene organic solar cells.Nature communications · 2020Article
Corrections and comments
- Erratum issued
Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
Abstract
The low-energy edge of optical absorption spectra is critical for the performance of solar cells, but is not well understood in the case of organic solar cells (OSCs). We study the microscopic origin of exciton bands in molecular blends and investigate their role in OSCs. We simulate the temperature dependence of the excitonic density of states and low-energy absorption features, including low-frequency molecular vibrations and multi-exciton hybridisation. For model donor-acceptor blends featuring charge-transfer excitons, our simulations agree very well with temperature-dependent experimental absorption spectra. We unveil that the quantum effect of zero-point vibrations, mediated by electron-phonon interaction, causes a substantial exciton bandwidth and reduces the open-circuit voltage, which is predicted from electronic and vibronic molecular parameters. This effect is surprisingly strong at room temperature and can substantially limit the OSC's efficiency. Strategies to reduce these vibration-induced voltage losses are discussed for a larger set of systems and different heterojunction geometries.
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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.