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Study of CO oxidation on the (111) face of nickel during Ni−NiO phase transition

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Abstract

CO oxidation on the (111) face of Ni has been studied over a wide temperature range and reactant ratio in CO+O2 reaction mixtures. A significant nonstationary increase in the reaction rate due to the formation of a two-dimensional surface oxide has been found. Subsequent formation of threedimensional NiO(111) phase sharply decreases the CO oxidation rate.

Abstract

Изучена реакция окисления CO на грани (111) Ni в широком интервале температур и соотношений реагентов в реакционной смеси (CO+O2). Обнаружено значительное нестационарное увеличение скорости реакции, связанноэ с образованием на поверхности фазы двумерного окисла. Установлено, что последуюущее образщвание трёхмерной фазы NiO(111) приводит к резкому уменьшению скорости реакции окислелия CO.

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References

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Kalinkin, A.V., Boreskov, G.K., Savchenko, V.I. et al. Study of CO oxidation on the (111) face of nickel during Ni−NiO phase transition. React Kinet Catal Lett 13, 111–114 (1980). https://doi.org/10.1007/BF02074180

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  • DOI: https://doi.org/10.1007/BF02074180

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