O- spin bags formation in (CeO2)0.57(La2CuO4)0.25 catalyst after extended use for reduction of NO by CO

被引:3
作者
Oliva, C [1 ]
Forni, L
Vishniakov, AV
机构
[1] Univ Milan, Dipartimento Chim Fis & Elettrochim, Milan, Italy
[2] CNR, CSRSRC, I-20133 Milan, Italy
[3] DI Mendeleev Univ Chem Technol Russia, Moscow, Russia
关键词
D O I
10.1007/BF03161895
中图分类号
O64 [物理化学(理论化学)、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号
070203 ; 070304 ; 081704 ; 1406 ;
摘要
(CeO2)(1-y)(La2CuO4)(y) with y = 0.25 and 0.43 have been analyzed by EPR after an extended-time-on-stream run at 450 degrees C, employing them as catalysts for the title reaction. Some unusual EPR low-field features have been observed, attributed to the formation of O- spin bags at low temperature.
引用
收藏
页码:283 / 292
页数:10
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