Qi, J., Zhang, B., Ma, Y., Xu, D., Chen, K., Liu, J., Zhou, Y., Mei, A., Han, H. (2025). Interface Field‐Effect Passivation Enabled by Selectively Extruded Cations for Printable Mesoscopic Perovskite Solar Cells with Improved Performance. Advanced Materials. https://doi.org/10.1002/adma.202506114