Elucidating the activity of stepped Pt single crystals for oxygen reduction.

Abstract

The unexpectedly high measured activity of Pt[n(111) × (111)] and Pt[n(111) × (100)] stepped single crystal surfaces towards the oxygen reduction reaction (ORR) is explained utilizing the hydroxyl binding energy as the activity descriptor. Using this descriptor (estimated using experimental data obtained by different groups), a well-defined Sabatier-type… (More)
DOI: 10.1039/c4cp00260a

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