Generation of superoxide ions at oxide surfaces

被引：319

作者：

Anpo, M

Che, M

Fubini, B

Garrone, E

Giamello, E

Paganini, MC

机构：

[1] Univ Osaka Prefecture, Coll Engn, Dept Appl Chem, Osaka 5998531, Japan

[2] Univ Paris 06, Lab React Surfaces, F-75252 Paris, France

[3] Univ Turin, Dipartimento Chim IFM, I-10125 Turin, Italy

来源：

TOPICS IN CATALYSIS | 1999年 / 8卷 / 3-4期

关键词：

superoxide ions; radical ion; oxide surfaces; EPR study; hydrogen peroxide;

D O I：

10.1023/A:1019117328935

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The superoxide radical anion O-2(-) is both an important intermediate in heterogeneous catalytic oxidation and a useful probe for positive charges in ionic solids, such as metal oxides and zeolites. The paper illustrates the main circumstances under which stable superoxide anions are formed at surfaces: (i) direct surface-oxygen electron transfer; (ii) photoinduced electron transfer; (iii) surface intermolecular electron transfer; (iv) decomposition of hydrogen peroxide.

引用

页码：189 / 198

页数：10

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