Adsorbed water for the electro-oxidation of methanol at Pt–Ru alloyElectronic supplementary information (ESI) available: additional explanation for Figs. 2 and 3. See http://www.rsc.org/suppdata/cc/b2/b212197b/

Abstract
Adsorbed water molecules which promote the methanol oxidation reaction (MOR) at Pt–Ru alloy electrode are clearly detected by in-situ FTIR spectroscopy with the attenuated total reflection configuration, which directly supports the “bi-functional mechanism” for the MOR.