Improved Charge Extraction in Inverted Perovskite Solar Cells with Dual-Site-Binding Ligands

Ligands designed to bind two neighboring Pb²⁺ defect sites in a planar orientation reduce steric resistance at the perovskite surface, achieving a certified 26.15% quasi-steady-state PCE (24.74% for 1.04 cm²) with 95% PCE retention after 1200 h of continuous 1-sun MPP operation at 65 °C.

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Recommended citation: Chen, H.; Liu, C.; Xu, J.; Maxwell, A.; Zhou, W.; Yang, Y.; Zhou, Q.; Bati, A. S. R.; Wan, H.; Wang, Z.; Zeng, L.; Wang, J.; Serles, P.; Liu, Y.; Teale, S.; Liu, Y.; Saidaminov, M. I.; Li, M.; Rolston, N.; Hoogland, S.; Filleter, T.; Kanatzidis, M. G.; Chen, B.^*; Ning, Z.^*; Sargent, E. H.^* Improved Charge Extraction in Inverted Perovskite Solar Cells with Dual-Site-Binding Ligands. Science 2024, 384 (6692), 189–193.
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