Non-fullerene acceptors have enabled record power conversion efficiencies in organic solar cells, but it is unclear how they achieve efficient electron–hole separation. New research shows that extremely long exciton lifetimes are essential to ensure that charges are generated efficiently.

中文翻译：

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如何分裂激子

非富勒烯受体在有机太阳能电池中实现了创纪录的功率转换效率，但目前尚不清楚它们如何实现有效的电子-空穴分离。最新研究表明，极长的激子寿命对于确保有效产生电荷至关重要。