What question did this study set out to answer?

To evaluate the influence of irreversibly adsorbed bismuth and antimony on hydrogen adsorption and the hydrogen evolution reaction on platinum (100) single-crystal surfaces.

May 1, 1993The Journal of Physical Chemistry

Hydrogen evolution on platinum single crystal surfaces: effects of irreversibly adsorbed bismuth and antimony on hydrogen adsorption and evolution on platinum (100)

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Authors

RGRoberto GómezUniversity of Alicante AFAna Fernández-VegaHospital Clínico San Carlos JFJuan M. FeliúPontifical Catholic University of Puerto Rico

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Implication

Electrochemical study demonstrates modification of hydrogen adsorption and evolution on platinum (100) by bismuth and antimony, suggesting tailored electrocatalytic pathways.

Key Points

To evaluate the influence of irreversibly adsorbed bismuth and antimony on hydrogen adsorption and the hydrogen evolution reaction on platinum (100) single-crystal surfaces.
Modified platinum (100) single-crystal electrode surfaces with irreversibly adsorbed adlayers of bismuth and antimony.
Conducted electrochemical characterization to measure adatom coverage, hydrogen adsorption-desorption profiles, and hydrogen evolution activity.
Irreversibly adsorbed bismuth and antimony altered the hydrogen electrosorption profiles on the platinum (100) crystal faces.
Adatom surface modification changed the electrocatalytic kinetics and mechanism of the hydrogen evolution reaction on platinum.

Cite This Study

Gómez et al. (1993) studied this question.

synapsesocial.com/papers/6a121d768edbaba0bf66ad5f https://doi.org/10.1021/j100120a032

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Implication

Electrochemical study demonstrates modification of hydrogen adsorption and evolution on platinum (100) by bismuth and antimony, suggesting tailored electrocatalytic pathways.

Hydrogen evolution on platinum single crystal surfaces: effects of irreversibly adsorbed bismuth and antimony on hydrogen adsorption and evolution on platinum (100)

Discussion

Member takes

Implication

Key Points

Cite This Study

Hydrogen evolution on platinum single crystal surfaces: effects of irreversibly adsorbed bismuth and antimony on hydrogen adsorption and evolution on platinum (100)

Discussion

Member takes

Implication

Key Points

Cite This Study

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