Molecular Science
Review
熱的条件下における気相クラスターの反応
—セリウム酸化物クラスターの酸化還元反応を例として—
永田 利明真船 文隆
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ジャーナル オープンアクセス

10 巻 (2016) 1 号 p. A0089-

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Gas-phase clusters isolated in vacuum have been studied intensively as a model system of heterogeneous catalysts. Recently, reactivity of clusters in thermal conditions attracts much attention, as catalysts operate in thermal conditions. In this review, a new experimental method to observe reactions of thermalized clusters, gas-phase temperature-programmed desorption (TPD), is introduced. As a typical example, redox reactions of cerium oxide clusters have been revealed using this method. Oxygen storage capacity of cerium oxide clusters was confirmed, i.e., cerium oxide clusters can release and extract oxygen. Oxidation reactions of CO and NO by cerium oxide clusters were observed, and detailed processes of these reactions were analyzed by gas-phase TPD.

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© 2016 分子科学会
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