Mesoporous Structured Mn, Fe, and Co Oxides: Synthesis, Physicochemical, and Catalytic Propertiesстатья
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Дата последнего поиска статьи во внешних источниках: 13 марта 2014 г.
Аннотация:Mesoporous structured Mn, Fe, and Co oxides are synthesized using “soft” and “hard” templates; the resulting materials are characterized by XRD, SEM, TEM, BET, and TG. It is shown that in the first case, the oxides have high specific surface areas of up to 450 m2 /g that are preserved during calcination of the material up to 300°C. At the same time, it is found that the specific surface area of the oxides prepared by the “hard-template” method does not exceed 100 m2/g; it is, however, stable up to 500°C. It is concluded that the catalytic activity of mesoporous oxides in methanol conversion depends on both the nature of the transition metal and the type of the template used in synthesis. Keywords: mesoporous transition metal oxides, hard-template synthesis, soft-template synthesis, complete oxidation of methanol.