Oxidation of hydrogen on palladium: Chemicurrents in the Schottky nanodiode |
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| Authors: | D V Grankin V V Styrov S V Simchenko V P Grankin O A Gural’nik |
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| Institution: | 1.Pryazovskyi State Technical University,Mariupol,Ukraine;2.Berdyansk State Pedagogical University,Berdyansk,Ukraine |
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| Abstract: | The oxidation of hydrogen on palladium was studied by the chemicurrents method using the nanosized catalytic Pd/n-Si Schottky diode. The chemicurrent was found to be generated when the reactions H2+O2 and H + O + H2 + O2 occurred on the palladium surface, occasionally in the auto-oscillation mode. A model was created that describes the complex kinetic behavior of the reaction. Mathematical modeling was performed and showed the possibility of complex auto-oscillations of chemicurrent similar to those obtained in experiments. The catalytic Schottky nanodiode method was shown to be effective for reaction visualization and can be used as a new physical method for investigating the chemical processes on the catalyst surface. |
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