Hydrogen Adsorption on Palladium and Platinum Overlayers: DFT Study

<table>The literature data for standard exchange current densities <svg height="14.75" id="M66" style="vertical-align:-3.25793pt" version="1.1" viewbox="0 0 22.700001 14.75" width="22.700001" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.75)">
<g transform="translate(72,-60.2)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">(</tspan>
<tspan style="font-size: 12.50px; " x="4.1634989" y="0">𝑗</tspan>
</text>
<text transform="matrix(1,0,0,-1,-62.92,60.37)">
<tspan style="font-size: 8.75px; " x="0" y="0">0</tspan>
</text>
<text transform="matrix(1,0,0,-1,-58.05,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">)</tspan>
</text>
</g>
</g>
</svg> for <i>her</i> on Pd(111) and Pd-modified Au(111) surfaces (squares) [<a href="/journals/apc/2011/305634/#B8">8</a>], and calculated positions of <svg height="14.35" id="M67" style="vertical-align:-3.22281pt" version="1.1" viewbox="0 0 42.287498 14.35" width="42.287498" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.35)">
<g transform="translate(72,-60.52)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐸</tspan>
</text>
<text transform="matrix(1,0,0,-1,-63.02,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">d</tspan>
<tspan style="font-size: 8.75px; " x="4.3759999" y="0">-</tspan>
<tspan style="font-size: 8.75px; " x="7.2904158" y="0">b</tspan>
<tspan style="font-size: 8.75px; " x="11.666416" y="0">a</tspan>
<tspan style="font-size: 8.75px; " x="15.552304" y="0">n</tspan>
<tspan style="font-size: 8.75px; " x="19.928305" y="0">d</tspan>
</text>
</g>
</g>
</svg> (triangles) plotted versus calculated hydrogen adsorption energies.</table>

Advances in Physical Chemistry

Hydrogen Adsorption on Palladium and Platinum Overlayers: DFT Study

Figure 5