Mossbauer study of iron-based perovskite-type materials as potential catalysts for ethyl acetate oxidation

被引：6
|
作者：
Paneva, D. [1 ]
Dimitrov, M. [2 ]
Velinov, N. [3 ]
Kolev, H. [1 ]
Kozhukharov, V. [3 ]
Tsoncheva, T. [2 ]
Mitov, I. [1 ]
机构：
[1] Bulgarian Acad Sci, Inst Catalysis, BG-1040 Sofia, Bulgaria
[2] Bulgarian Acad Sci, Inst Organ Chem, BG-1040 Sofia, Bulgaria
[3] Univ Chem Technol & Met, Sofia, Bulgaria
来源：
INTERNATIONAL CONFERENCE ON THE APPLICATIONS OF THE MOSSBAUER EFFECT (ICAME 2009) | 2010年 / 217卷
关键词：
COMBUSTION;
D O I：
10.1088/1742-6596/217/1/012043
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
La-Sr-Fe perovskite-type oxides were prepared by the nitrate-citrate method. The basic object of this study is layered Ruddlesden-Popper phase LaSr3Fe3O10. The phase composition and structural properties of the obtained materials are investigated by Mossbauer spectroscopy, X-ray diffraction (XRD), X-ray Photoelectron Spectroscopy (XPS) and temperature programmed reduction (TPR). The preliminary catalytic tests show a high potential of these materials for volatile organic compounds (VOCs) elimination as they possess high conversion ability and selectivity to total oxidation of ethyl acetate. Catalytic performance of LaSr3Fe3O10 is depended on the stability of structure and Fe4+-oxidation state.
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页数：4
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