Fig. 5: Role of air in enhancing stability.

a XRD patterns of fresh and spent catalysts with or without flowing air; b) Fourier transform (FT) of Ru K-edge EXAFS of spent and fresh catalysts; XPS analysis for Ru 3d of spent catalyst, c) with airflow, d) without airflow; e) Light-induced reduction of DPC/RuPt-10-Calc. (Source data are provided as a Source Data file).