ArticleNature communications2024
On the role of asymmetric molecular geometry in high-performance organic solar cells.
Article in Nature communications, 2024. 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.
- Side-Chain Asymmetry in Quinoxaline Copolymer Donors Enables Optimal Morphology and Improved Charge Dynamics for High-Efficiency Organic Solar Cells.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Atomic-Level Regiospecific Engineering of Asymmetric Acceptors for Efficient Organic Solar Cells With Reduced Energetic Disorder.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Ultrafast charge-generation dynamics through interfacial energetic modulation for high-performance single-component organic photovoltaics with 14.8% efficiency.Nature communications · 2026Article
- DFT insights into the photovoltaic performance of A-π-A non-fullerene acceptors for organic solar cells.Scientific reports · 2026Article
- Scalable semitransparent organic solar cells with robust film thickness tolerance for building-integrated photovoltaics.Nature communications · 2026Article
- Halogenated diphenyl ether solvent additives enable ∼20% efficiency organic solar cells and high-performance opaque/semitransparent modules.National science review · 2025Article
- Interspersed Assembled Monolayers Enhance Hole Transport in High-Efficiency Organic and Perovskite Solar Cells.Journal of the American Chemical Society · 2025Article
- Efficient Semitransparent Organic Solar Modules with Exceptional Diurnal Stability Through Asymmetric Interaction Induced by Symmetric Molecular Structure.Angewandte Chemie (International ed. in English) · 2025Article
- Implantable bioelectronic devices for photoelectrochemical and electrochemical modulation of cells and tissues.Nature reviews bioengineering · 2025Article
- Triplet State Suppression for Energy Loss Reduction in 20% Nonhalogenated Solvent Processed Binary Organic Solar Cells.Advanced materials (Deerfield Beach, Fla.) · 2025Article
- Recent Advances in Thermo- and Photostabilities of Organic Solar Cells: Material Design and Morphology Control.Polymer science & technology (Washington, D.C.) · 2025Review
- Polymer-like tetramer acceptor enables stable and 19.75% efficiency binary organic solar cells.Nature communications · 2025Article
- Asymmetric small-molecule acceptor enables suppressed electron-vibration coupling and minimized driving force for organic solar cells.Nature communications · 2025Article
Corrections and comments
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Authors and funding
16 authors.
Funding
Abstract
Although asymmetric molecular design has been widely demonstrated effective for organic photovoltaics (OPVs), the correlation between asymmetric molecular geometry and their optoelectronic properties is still unclear. To access this issue, we have designed and synthesized several symmetric-asymmetric non-fullerene acceptors (NFAs) pairs with identical physical and optoelectronic properties. Interestingly, we found that the asymmetric NFAs universally exhibited increased open-circuit voltage compared to their symmetric counterparts, due to the reduced non-radiative charge recombination. From our molecular-dynamic simulations, the asymmetric NFA naturally exhibits more diverse molecular interaction patterns at the donor (D):acceptor (A) interface as compared to the symmetric ones, as well as higher D:A interfacial charge-transfer state energy. Moreover, it is observed that the asymmetric structure can effectively suppress triplet state formation. These advantages enable a best efficiency of 18.80%, which is one of the champion results among binary OPVs. Therefore, this work unambiguously demonstrates the unique advantage of asymmetric molecular geometry, unveils the underlying mechanism, and highlights the manipulation of D:A interface as an important consideration for future molecular design.
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