1998
DOI: 10.1016/s0022-0728(97)00652-9
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Specificity of the kinetics of H2 evolution to the structure of single-crystal Pt surfaces, and the relation between opd and upd H

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Cited by 184 publications
(76 citation statements)
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“…For the reaction in which the Heyrovsky or Volmer step is the reaction step, the Tafel slope is 2F/RT (120 mV dec −1 ). When the Tafel reaction is the rate determining step, the Tafel slope is F/2RT (30 mV dec −1 ) [26]. Thus, it is possible to identify the reaction mechanism of the Tafel step from the Tafel slope.…”
Section: Mechanism Of the Catalytic Processmentioning
confidence: 99%
“…For the reaction in which the Heyrovsky or Volmer step is the reaction step, the Tafel slope is 2F/RT (120 mV dec −1 ). When the Tafel reaction is the rate determining step, the Tafel slope is F/2RT (30 mV dec −1 ) [26]. Thus, it is possible to identify the reaction mechanism of the Tafel step from the Tafel slope.…”
Section: Mechanism Of the Catalytic Processmentioning
confidence: 99%
“…[38][39][40][42][43][44][45] Hydrogen reactions were intensively investigated on polycrystalline Pt as well as on single-crystal surfaces. Markovic et al [22,23] and Barber et al [21,24] found that the reactivity of different Pt(hkl) surfaces towards hydrogen reactions is strongly influenced by surface orientation. It was clearly shown that in alkaline as well as acidic electrolytes the reactivity increases in the following order: (111) < (100) < (110) and that the activation energy decreases in the sequence DH (111) > DH (100) > DH (110) .…”
Section: Introductionmentioning
confidence: 99%
“…For this reason, the kinetic aspects of hydrogen electrode reactions widely discussed in several papers and monographs, can be ignored when this electrode is used as a reference electrode [4,8,9,13,[47][48][49][50][51][52].…”
Section: Use Of the Hydrogen Electrodementioning
confidence: 99%