Wang et al. report dual cationic imidazole ligands to control perovskite dimensionality, from 0D to parallel 1D, and bridged 1D structures. Bridged 1D/3D perovskite heterostructure enables solar cells with certified efficiency of 27.02% and 30×30 cm² solar modules with efficiency of 21.41%.
- Fei Wang
- Xiang Zhang
- Hanlin Hu