Yang, Y., Yang, X., Tang, L., Sung, S., Wang, Z., Lu, Z., Oh, S. H., Zhong, Q., Park, J. H., Zhang, K. (2025). Porous CuBi 2 O 4 Photocathode with Intrinsic Cu + /Cu 2+ Redox Improves Solar C(sp 3 )‐H Bond Conversion Efficiency by an Order of Magnitude. Advanced Materials. https://doi.org/10.1002/adma.202502321