ArticleNature communications2025
A dendritic hexamer acceptor enables 19.4% efficiency with exceptional stability in organic solar cells.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Precise End-Group Conjugated-Site Isomerization of Wing-Typed Dimeric Acceptors Enables 20.32% Efficiency Organic Solar Cells.Angewandte Chemie (International ed. in English) · 2026Article
- On Refining Exciton Dissociation and Charge Transport of Nonfullerene Organic Photovoltaics: from Star-Shaped Acceptors to Molecular Doping.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- A >25 kDa Star-Shaped Dodecamer Acceptor as a Heterogeneous Nucleation Agent Enables 20.50%-Efficient Organic Solar Cells.Angewandte Chemie (International ed. in English) · 2026Article
- Ultrafast charge-generation dynamics through interfacial energetic modulation for high-performance single-component organic photovoltaics with 14.8% efficiency.Nature communications · 2026Article
- Conjugation Pathway of Benzobisoxazoles in Polymer Donors Mediates the Charge Management and Enables Organic Solar Cells with Record Certified Efficiency.Advanced materials (Deerfield Beach, Fla.) · 2025Article
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Authors and funding
19 authors.
Funding
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Abstract
To achieve the commercialization of organic solar cells (OSCs), it is crucial not only to enhance power conversion efficiency (PCE) but also to improve device stability through rational molecular design. Recently emerging giant molecular acceptor (GMA) materials offer various advantages, such as precise chemical structure, high molecular weight (beneficial to film stability under several external stress), and impressive device efficiency, making them a promising candidate. Here, we report a dendritic hexamer acceptor developed through a branch-connecting strategy, which overcomes the molecular weight bottleneck of GMAs and achieves a high production yield over 58%. The dendritic acceptor Six-IC exhibits modulated crystallinity and miscibility with the donor, thus better morphology performance compared to its monomer, DTC8. Its charge transport ability is further enhanced by additional channels between the armed units. Consequently, the binary OSCs based on D18:Six-IC achieves a cutting-edge efficiency of 19.4% for high-molecular weight acceptor based systems, as well as decent device stability and film ductility. This work reports high-performance OSCs based on dendritic molecule acceptor with a molecular weight exceeding 10000 g/mol and shares the understanding for designing comprehensively high-performing acceptor materials.
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Registered trials
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