In situ X-ray absorption studies of a Pt-Ru electrocatalyst

X-ray absorption studies (XAS) were done on a carbon supported Pt-Ru electrocatalyst in 1 M HClO{sub 4}. Results at the Pt L{sub 3} and L{sub 2} and edges confirmed that the Pt was alloyed with Ru and that the Ru content was about 25 atomic percent. There was a large excess of unalloyed Ru, with onl...

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Veröffentlicht in:	Journal of the Electrochemical Society 1995-10, Vol.142 (10), p.3399-3404
Hauptverfasser:	MCBREEN, J, SANJEEV MUKERJEE
Format:	Artikel
Sprache:	eng
Schlagworte:	30 DIRECT ENERGY CONVERSION ABSORPTION SPECTROSCOPY ALCOHOL FUEL CELLS CARBON MONOXIDE CATALYTIC EFFECTS Chemistry ELECTROCATALYSTS Electrochemistry Electrodes: preparations and properties Exact sciences and technology General and physical chemistry HYDROGEN METHANOL Other electrodes OXIDATION PERCHLORIC ACID PHASE STUDIES PLATINUM ALLOYS RUTHENIUM ALLOYS X-RAY SPECTROSCOPY
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