Evidence map›Paper›PMID 32047157›Full record

ArticleNature communications2020

Sub-picosecond charge-transfer at near-zero driving force in polymer:non-fullerene acceptor blends and bilayers.

Yufei Zhong, Martina Causa', Gareth John Moore, Philipp Krauspe, Bo Xiao, Florian Günther, Jonas Kublitski, Rishi Shivhare, Johannes Benduhn, Eyal BarOr and 11 more

Abstract read
In one paragraph

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 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

27 citing papers in PubMed.

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  7. Janus-Type Photophysics of Rotational Isomers in a Diphenylanthracene Dimer.Angewandte Chemie (International ed. in English) · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

21 authors.

Yufei Zhong *Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012, Bern, Switzerland.
Martina Causa' *Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012, Bern, Switzerland.
Gareth John MooreDepartment of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012, Bern, Switzerland.
Philipp KrauspeDepartment of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012, Bern, Switzerland.
Bo XiaoChinese Academy of Sciences (CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China.
Florian GüntherInstituto de Física de São Carlos (IFSC), Universidade de São Paulo (USP), Av. Trabalhador saocarlense, 400, CEP, 13560-970, São Carlos, Brazil.
Jonas KublitskiDresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and Institute for Applied Physics Technische Universität Dresden, Nöthnitzer Str. 61, 01187, Dresden, Germany.ORCID http://orcid.org/0000-0003-0558-9152
Rishi ShivhareDresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and Institute for Applied Physics Technische Universität Dresden, Nöthnitzer Str. 61, 01187, Dresden, Germany.
Johannes BenduhnDresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and Institute for Applied Physics Technische Universität Dresden, Nöthnitzer Str. 61, 01187, Dresden, Germany.ORCID http://orcid.org/0000-0001-5683-9495
Eyal BarOrInstitute of Physics and Astronomy, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476, Potsdam-Golm, Germany.
Subhrangsu MukherjeeMaterial Measurement Laboratory, National Institute of Standards and Technology (NIST), Gaithersburg, MD, 20899, USA.ORCID http://orcid.org/0000-0002-5479-3750
Kaila M YallumDepartment of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012, Bern, Switzerland.
Julien RéhaultDepartment of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012, Bern, Switzerland.
Stefan C B MannsfeldDresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and Institute for Applied Physics Technische Universität Dresden, Nöthnitzer Str. 61, 01187, Dresden, Germany.ORCID http://orcid.org/0000-0003-0268-519X
Dieter NeherInstitute of Physics and Astronomy, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476, Potsdam-Golm, Germany.ORCID http://orcid.org/0000-0001-6618-8403
Lee J RichterMaterial Measurement Laboratory, National Institute of Standards and Technology (NIST), Gaithersburg, MD, 20899, USA.
Dean M DeLongchampMaterial Measurement Laboratory, National Institute of Standards and Technology (NIST), Gaithersburg, MD, 20899, USA.
Frank OrtmannCenter for Advancing Electronics Dresden, Technische Universität Dresden, Helmholtzstr. 18, 01062, Dresden, Germany.ORCID http://orcid.org/0000-0002-5884-5749
Koen VandewalInstitute for Materials Research (IMO-IMOMEC), Hasselt University, Wetenschapspark 1, 3590, Diepenbeek, Belgium.ORCID http://orcid.org/0000-0001-5471-383X
Erjun ZhouChinese Academy of Sciences (CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China. zhouej@nanoctr.cn.ORCID http://orcid.org/0000-0003-1182-311X
Natalie BanerjiDepartment of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012, Bern, Switzerland. natalie.banerji@dcb.unibe.ch.

Funding

Deutsche Forschungsgemeinschaft (German Research Foundation) OR-349/1Deutscher Akademischer Austauschdienst (German Academic Exchange Service) 57214224National Natural Science Foundation of China (National Science Foundation of China) 51673048, 51473040Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (Swiss National Science Foundation) 200020_184819Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (Swiss National Science Foundation) NCCR MUSTSchweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (Swiss National Science Foundation) PP00P2_150536U.S. Department of Energy (DOE) DE-AC02-05CH11231U.S. Department of Energy (DOE) DE-SC0012704
6 · The paper itself

Abstract

Organic photovoltaics based on non-fullerene acceptors (NFAs) show record efficiency of 16 to 17% and increased photovoltage owing to the low driving force for interfacial charge-transfer. However, the low driving force potentially slows down charge generation, leading to a tradeoff between voltage and current. Here, we disentangle the intrinsic charge-transfer rates from morphology-dependent exciton diffusion for a series of polymer:NFA systems. Moreover, we establish the influence of the interfacial energetics on the electron and hole transfer rates separately. We demonstrate that charge-transfer timescales remain at a few hundred femtoseconds even at near-zero driving force, which is consistent with the rates predicted by Marcus theory in the normal region, at moderate electronic coupling and at low re-organization energy. Thus, in the design of highly efficient devices, the energy offset at the donor:acceptor interface can be minimized without jeopardizing the charge-transfer rate and without concerns about a current-voltage tradeoff.

Identifiers

PMID32047157
PMCPMC7012859

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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.