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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Kinetic Monte Carlo Simulation of CO Adsorption on Sulfur-Covered Pd(100)
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Kinetic Monte Carlo Simulation of CO Adsorption on Sulfur-Covered Pd(100)

机译:硫包覆的Pd(100)上CO吸附的动力学Monte Carlo模拟

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摘要

The use of atomistic Kinetic Monte Carlo method was explored to examine the influence of sulfur poisoning on CO adsorption on Pd(100) surface. The model explicitly incorporates key elementary processes such as CO adsorption and CO desorption including diffusion of surface CO and S species. Relevant energetic and kinetic parameters were derived using information calculated from density functional theory as a starting point. Kinetic Monte Carlo simulation was performed to determine relevant observables such as CO saturation coverage as a function of amount of preadsorbed sulfur and to predict temperature programmed desorption spectra.
机译:探索了原子动力学蒙特卡罗方法的使用,以检查硫中毒对Pd(100)表面CO吸附的影响。该模型明确包含了关键的基本过程,例如CO吸附和CO解吸,包括表面CO和S物质的扩散。使用从密度泛函理论计算的信息作为起点,得出了相关的能量和动力学参数。进行了动力学蒙特卡洛模拟,以确定相关的可观测值(例如,CO饱和度覆盖率随预吸附硫量的变化),并预测程序升温脱附光谱。

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