Chem. Commun., 2026, Advance Article DOI: 10.1039/D6CC02249A, Communication Junjiang Chen, Junze Zhao, Jintao Dong, Bin Wang, Huaming Li, Yuanbin She, Paul K. Chu, Jiexiang Xia Cobalt porphyrin/Bi19S27Br3 hybrids promote charge separation and CO2 activation, thereby enhancing solar-driven CO2-to-C2H4 conversion.