Halogen-substituted phenazine cores reduce energy losses and optimize carrier dynamics in tethered acceptors for 19.8% efficient and stable polymer solar cells

作者：Liang Zeng, Rong Hu, Ming Zhang, Seunglok Lee, Qingyuan Wang, Shixin Meng, Qi Chen, Jiangang Liu, Ling‐Wei Xue, Liwei Mi, Changduk Yang, Zhiguo Zhang · 发表于：Energy & Environmental Science · 年份：2025 · DOI：10.1039/d5ee01686j · 被引用次数：13 · 研究领域：Organic Electronics and Photovoltaics、Conducting polymers and applications、Organic Light-Emitting Diodes Research

The thermodynamic relaxation and rigidity of small-molecule acceptors drive an oligomeric design approach in polymer solar cells, achieving device efficiencies approaching 20% through tailored molecular engineering.