Record 25.47% PCE
Featuring an antenna structure and alkyl-chain engineering, this pyrene-based HTM enables efficient hole extraction and interfacial passivation in dopant-free perovskite solar cells, achieving record efficiency and stability.
Feng, Xing · Li, Jialin · Liu, Wei · Junru, Chen · Wang, Xiaohui
Angewandte Chemie - International Edition 2026
Highest reported for n-i-p PSCs employing dopant-free, organic small-molecule HTMs