Fig. 2: Identification of PtCu single atom alloy.
From: Platinum–copper single atom alloy catalysts with high performance towards glycerol hydrogenolysis
a TEM image, b HRTEM image, c AC–HAADF–STEM image of PtCu–SAA, and d corresponding enlarged images. Scale bars: a 100 nm; b 5 nm; c, and d 2 nm.
