1998
DOI: 10.1016/s0013-4686(98)00214-x
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Comparative evaluation of surface structure specificity of kinetics of UPD and OPD of H at single-crystal Pt electrodes

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Cited by 115 publications
(120 citation statements)
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“…Resulting Faradayic currents and current densities (normalized vs active surface area) recorded during BCV at 100 mV s [53,54] The active Pt surface area was determined by integrating the H-upd current in the negativegoing potential scan and subtracting the double-layer contribution. The corresponding H-upd charge was converted into the active Pt surface area by assuming a H-upd monolayer charge on polycrystalline Pt of 210 mC cm À2 [55] and a hydrogen coverage at the onset of bulk evolution of 0.77 monolayer.…”
Section: Electrochemical Characterizationmentioning
confidence: 99%
“…Resulting Faradayic currents and current densities (normalized vs active surface area) recorded during BCV at 100 mV s [53,54] The active Pt surface area was determined by integrating the H-upd current in the negativegoing potential scan and subtracting the double-layer contribution. The corresponding H-upd charge was converted into the active Pt surface area by assuming a H-upd monolayer charge on polycrystalline Pt of 210 mC cm À2 [55] and a hydrogen coverage at the onset of bulk evolution of 0.77 monolayer.…”
Section: Electrochemical Characterizationmentioning
confidence: 99%
“…We follow the kinetic analysis of Conway et al [87]. The HER/HOR on Pt can be considered to proceed via the following steps with the rate constants indicated:…”
Section: H Opd On the Anodementioning
confidence: 99%
“…[8][9][10][11][12][13] Photovoltaic cells can be conjugated with electrolysers 1,2 to generate hydrogen from water. 14-18 When electrochemically splitting water into hydrogen and oxygen, extremely acidic [19][20][21][22][23][24][25][26] or alkaline [22][23][24][25][26][27][28] pH conditions are favored because higher electrocatalytic activities are generally obtained compared with those at neutral pH. [29][30][31] The fundamental issue regarding the hydrogen evolution reaction (HER) and oxygen evolution reaction under neutral pH conditions is reactant switching: hydronium and hydroxyl ions are the reactants at acidic and alkaline pH, respectively, whereas to attain substantial reaction rates at neutral pH, water molecule must act as the reactant.…”
Section: Introductionmentioning
confidence: 99%