ArticleNature communications2021
Adjusting the energy of interfacial states in organic photovoltaics for maximum efficiency.
Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Kinetically templated fibrillar self-assembly via two-dimensional nanocrystals enables 21% efficient organic solar cells.Nature communications · 2026Article
- An integrated wireless deep-UV sensing system for intelligent early fire detection.Science advances · 2026Article
- Suppressing electron-phonon coupling and energy loss in organic solar cells by modulating donor-acceptor penetrated-interface.Nature communications · 2026Article
- Comprehensive understanding of fluorination-performance relationship: The best-performed A-D-A-type acceptors.Fundamental research · 2025Article
- Ultrafast energy transfer beyond the Förster approximation in organic photovoltaic blends with non-fullerene acceptors.Science advances · 2025Article
- Super-resolution techniques to simulate electronic spectra of large molecular systems.Nature communications · 2024Article
- Synthetic model interfaces for the study of intermolecular charge-transfer states.Nature chemistry · 2024Article
- Exciton Transport in the Nonfullerene Acceptor O-IDTBR from Nonadiabatic Molecular Dynamics.Journal of chemical theory and computation · 2024Article
- Limiting factors for charge generation in low-offset fullerene-based organic solar cells.Nature communications · 2024Article
- Maximizing Performance and Stability of Organic Solar Cells at Low Driving Force for Charge Separation.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Review
- Biorenewable Solvents for High-Performance Organic Solar Cells.ACS energy letters · 2023Article
- Enhanced sub-1 eV detection in organic photodetectors through tuning polymer energetics and microstructure.Science advances · 2023Article
- Reconciling models of interfacial state kinetics and device performance in organic solar cells: impact of the energy offsets on the power conversion efficiency.Energy & environmental science · 2022Article
Corrections and comments
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Authors and funding
17 authors.
Funding
Abstract
A critical bottleneck for improving the performance of organic solar cells (OSC) is minimising non-radiative losses in the interfacial charge-transfer (CT) state via the formation of hybrid energetic states. This requires small energetic offsets often detrimental for high external quantum efficiency (EQE). Here, we obtain OSC with both non-radiative voltage losses (0.24 V) and photocurrent losses (EQE > 80%) simultaneously minimised. The interfacial CT states separate into free carriers with ≈40-ps time constant. We combine device and spectroscopic data to model the thermodynamics of charge separation and extraction, revealing that the relatively high performance of the devices arises from an optimal adjustment of the CT state energy, which determines how the available overall driving force is efficiently used to maximize both exciton splitting and charge separation. The model proposed is universal for donor:acceptor (D:A) with low driving forces and predicts which D:A will benefit from a morphology optimization for highly efficient OSC.
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Registered trials
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