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The research aims to explore the effects of interactions between adjacent crystal planes on catalytic reactions.

March 21, 2026

Coupling Between Adjacent Crystal Planes in Heterogeneous Catalysis By Propagating Reaction-Diffusion Waves

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The research aims to explore the effects of interactions between adjacent crystal planes on catalytic reactions.
Investigated oxidation of hydrogen on platinum surfaces at low pressure and room temperature.
Conducted experiments on a macroscopic Pt(100) single crystal to establish basic behaviors.
Examined platinum tips with exposed different crystal planes to assess reaction dynamics.
Analyzed the propagation of reaction waves and their impact on overall reaction rates.
Uniform distribution of adsorbates on macroscopic Pt(100) led to a steady reaction state.
Platinum tips exhibited sustained temporal oscillations in reaction rates due to varying crystal planes.
Observed coupling of reactions on adjacent crystal planes significantly altered catalytic kinetics.

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Demonstrates oscillatory reaction behavior in heterogeneous catalysis, indicating interactions among different crystal planes.

Gorodetskii et al. (1994) studied this question.

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