Efficient 1.77 eV-bandgap perovskite and all-perovskite tandem solar cells enabled by long-alkyl phosphonic acid

作者：Hongling Guan, Shiqiang Fu, Guojun Zeng, Weiqing Chen, Chen Wang, Hongsen Cui, Dexin Pu, Peng Jia, Weiwei Meng, Guojia Fang, Weijun Ke · 发表于：Energy & Environmental Science · 年份：2024 · DOI：10.1039/d4ee02483d · 被引用次数：63 · 研究领域：Perovskite Materials and Applications、Conducting polymers and applications、Solid-state spectroscopy and crystallography

Incorporating dodecylphosphonic acid additives into 1.77 eV-bandgap perovskites enabled single-junction solar cells to achieve a PCE of 20.2%. Tandem cells further reached impressive PCEs of 27.41% (two-terminal) and 28.65% (four-terminal).