Chem. Sci., 2025, Accepted Manuscript DOI: 10.1039/D5SC05310B, Edge Article Yi Zhu, Zhijie Pan, Wenbin Liao, Wenbiao Zhang, Qun Liao, Yuanming Zhang, Qingsheng Gao, Xionghui Fu, Mingyao Zhao The photoreduction of CO2 to C2+ products is primarily limited by the kinetic challenges of C-C coupling. Here, we engineer Pd-based charge-asymmetrical metal pair sites to accommodate the energetically favourable CHO-CHO coupling pathway,...