ArticleNature communications2020
Vibronic coherence contributes to photocurrent generation in organic semiconductor heterojunction diodes.
Article in Nature communications, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Solvent Polarity as a Diagnostic for Vibronic/Vibrational Coherences Distinction in an Efficient TADF-TTA Switchable Emitter.Small science · 2026Article
- Simulating electron transfer on noisy quantum computers.Nature communications · 2026Article
- Ultrafast Coherent Hole Injection at the Interface between CuSCN and Polymer PM6 Using Femtosecond Mid-Infrared Spectroscopy.ACS applied materials & interfaces · 2025Review
- A numerically exact description of ultrafast vibrational decoherence in vibration-coupled electron transfer.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Energy transfer in N-component nanosystems enhanced by pulse-driven vibronic many-body entanglement.Scientific reports · 2023Article
- Time-Frequency Signatures of Electronic Coherence of Colloidal CdSe Quantum Dot Dimer Assemblies Probed at Room Temperature by Two-Dimensional Electronic Spectroscopy.Nanomaterials (Basel, Switzerland) · 2023Article
- Vibronic Exciton-Phonon States in Stack-Engineered van der Waals Heterojunction Photodiodes.Nano letters · 2022Article
- Novel sulphonic acid liquid crystal derivatives: experimental, computational and optoelectrical characterizations.RSC advances · 2021Article
- Energy funnelling within multichromophore architectures monitored with subnanometre resolution.Nature chemistry · 2021Article
- Efficient Charge Transport Enables High Efficiency in Dilute Donor Organic Solar Cells.The journal of physical chemistry letters · 2021Article
- Synthesis, Mesomorphic, and Solar Energy Characterizations of New Non-Symmetrical Schiff Base Systems.Frontiers in chemistry · 2021Article
Corrections and comments
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Charge separation dynamics after the absorption of a photon is a fundamental process relevant both for photosynthetic reaction centers and artificial solar conversion devices. It has been proposed that quantum coherence plays a role in the formation of charge carriers in organic photovoltaics, but experimental proofs have been lacking. Here we report experimental evidence of coherence in the charge separation process in organic donor/acceptor heterojunctions, in the form of low frequency oscillatory signature in the kinetics of the transient absorption and nonlinear two-dimensional photocurrent spectroscopy. The coherence plays a decisive role in the initial ~200 femtoseconds as we observe distinct experimental signatures of coherent photocurrent generation. This coherent process breaks the energy barrier limitation for charge formation, thus competing with excitation energy transfer. The physics may inspire the design of new photovoltaic materials with high device performance, which explore the quantum effects in the next-generation optoelectronic applications.
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Registered trials
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