Li, D., Ma, W., Yin, J., Sun, C., Meng, F., Wu, C., Zhang, C., Fei, H. (2026). Embedding Cu 4 X 4 Cubane Clusters into Lead Halide Lattices: Stable 3D Cu‐Pb Bimetallic Halide Frameworks for Photocatalytic CO 2 ‐to‐Ethylene Conversion in Water. Advanced Materials. https://doi.org/10.1002/adma.202516054