Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 16, Issue 27, Pages 13601-13604Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cp01337a
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Funding
- Stanford University
- Hellman Foundation
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Gold films produced from gold oxide precursors (oxide-derived Au'') were compared to polyhedral Au nanoparticles for electrocatalytic alkaline O-2 reduction. Despite having no detectable abundance of (100) facets, oxide-derived Au exhibited 4e(-) selectivity and surface-area-normalized activity that rivaled cubic Au nanoparticles with high (100) abundance. The activity of oxide-derived Au likely arises from active sites at the surface terminations of defects that are trapped during gold oxide reduction.
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