fig5
Figure 5. TEM images of (A) Pd1/Cu(111) and (B) Pd1/Cu(100). (C) Catalytic performance of Pd1/Cu(111) and Pd1/Cu(100) for the semi-hydrogenation of phenylacetylene. (D) and (E) Calculated barriers for stepwise hydrogenation of phenylacetylene on Cu surfaces with two low-Miller-index. Reproduced with permission from Ref.[17]. Copyright 2020, Springer Nature. TEM: Transmission electron microscopy.
