The Effect of Structurally Well-Defined Pt Modification on the Electrochemical and Electrocatalytic Properties of Ru(0001) Electrodes - Fuel Cell Catalysis: A Surface Science Approach - page 469

Figure 14.4 (a) STM image (150 nm 150 nm 2 , U t ¼ 0.9 V, I t ¼ 0.56 nA) and (b) cyclic
voltammogram (0.1 M HClO 4 ,50mVs 21 ) of a smooth 1.08 ML Pt film on Ru(0001) and of
Pt(111). (Reprinted with permission from [Hoster et al., 2004]. Copyright 2004 American
Chemical Society.)
surface layer due to the interaction with the Ru(0001) substrate (“vertical ligand effect”)
[Schlapka et al., 2003; Lischka et al., 2007].
Electrochemical Properties Figures 14.4a and 14.4b show an STM image of the
surface morphology and a cyclic base voltammogram, respectively, of an atomically