A new asymmetric non-fullerene acceptor, P2EH-1V, is designed and synthesized for constructing devices demonstrating record-high efficiencies of 26.7% (certified at 26.4%) over an aperture area greater than 1 cm2 in perovskite–organic tandem solar cells.
- Zhenrong Jia
- Xiao Guo
- Yi Hou