The introduction of sodium heparin passivates interface defects and enhances bonding between the electron transport layer and the perovskite layer in perovskite solar cells. The best-performing devices exhibit a certified PCE of 26.54% and maintain almost 95% of their initial performance after 1,800 h of maximum power point tracking.
- Xiaodan Tang
- Chenglin Yang
- Xiaopeng Zheng