An Isomeric Solid Additive Enables High-Efficiency Polymer Solar Cells Developed Using a Benzo-Difuran-Based Donor

Lu Chen1,2, Jicheng Yi2, Ruijie Ma3

  • 1College of New Materials and New Energies, Shenzhen Technology University, Shenzhen, 518118, P. R. China.

Summary

Researchers developed a new benzo-difuran (BDF) polymer donor for organic photovoltaics, achieving a record 18.4% efficiency. A novel additive, 2-chloronaphthalene, significantly enhanced device performance, offering a promising alternative to current materials.

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