Incorporation of insulating polymers or molecules into organic semiconductor films, creating so‐called diluted organic semiconductors, has been successfully used both in organic field‐effect transistors and organic light‐emitting diodes to reduce sensitivity to charge traps. However, application of this strategy in organic photovoltaics is challenging due to the complex requirements on the light‐absorbing blend layer. Herein, diluted donor–acceptor–insulator ternary organic solar cells are developed to improve mobility and decrease radiative and nonradiative recombination in the active layer. In addition, both thermal and environmental stability of the diluted ternary solar cells are enhanced. Finally, the diluted semiconductor approach enables large‐area solar cells to be fabricated where the loss in power density upon cell area upscaling is five times lower than for the equivalent binary cells.

中文翻译：

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光伏中的稀释有机半导体

在有机场效应晶体管和有机发光二极管中成功地将绝缘聚合物或分子掺入有机半导体膜中，从而形成所谓的稀释有机半导体，从而降低了对电荷陷阱的敏感性。但是，由于对光吸收混合层的要求很复杂，因此将该策略应用于有机光伏具有挑战性。在此，开发了稀释的供体-受体-绝缘体三元有机太阳能电池，以提高迁移率并减少活性层中的辐射和非辐射复合。另外，稀释的三元太阳能电池的热稳定性和环境稳定性均得到增强。最后，