期刊
JOURNAL OF COMPUTATIONAL CHEMISTRY
卷 42, 期 30, 页码 2163-2169出版社
WILEY
DOI: 10.1002/jcc.26746
关键词
artificial force induced reaction method; kinetic analysis; methanol decomposition; platinum surface; reaction route network
资金
- Core Research for Evolutional Science and Technology [JPMJCR14L5]
- Exploratory Research for Advanced Technology [JPMJER1903]
- Ministry of Education, Culture, Sports, Science and Technology
- JSPS-World Premier International Research Center Initiative
The reaction route network of methanol decomposition on a Pt(111) surface was constructed using the AFIR method and kinetically analyzed with the RCMC method. The major product was identified as CO+4H, and the most favorable reaction pathway involved several steps. Additionally, paths to byproducts on the network and their kinetic importance were discussed.
A reaction route network for the decomposition reaction of methanol on a Pt(111) surface was constructed by using the artificial force-induced reaction (AFIR) method, which can search for reaction paths automatically and systematically. Then, the network was kinetically analyzed by applying the rate constant matrix contraction (RCMC) method. Specifically, the time hierarchy of the network, the time evolution of the population initially given to CH3OH to the other species on the network, and the most favorable route from CH3OH to major and minor products were investigated by the RCMC method. Consistently to previous studies, the major product on the network was CO+4H, and the most favorable route proceeded through the following steps: CH3OH -> CH2OH+H -> HCOH+2H -> HCO+3H -> CO+4H. Furthermore, paths to byproducts found on the network and their kinetic importance were discussed. The present procedure combining AFIR and RCMC was thus successful in explaining the title reaction without using any information on its product or the reaction mechanism.
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