Structural Properties and Catalytic Activity of Sr-Substituted LaFeO3 Perovskite
文献类型：期刊论文
| 作者 | Zhang Xiaojing; Li Huaju; Li Yong; Shen Wenjie |
| 刊名 | chinese journal of catalysis
 |
| 出版日期 | 2012-07-01 |
| 卷号 | 33期号:7页码:1109-1114 |
| 关键词 | perovskite lanthanum ferrite substitution reducibility carbon monoxide oxidation methane combustion |
| 产权排序 | 1,1 |
| 通讯作者 | 申文杰 |
| 英文摘要 | partial substitution of la3+ by sr2+ in lafeo3 resulted in significant changes in its structure and catalytic activity. the perovskite structure was changed from orthorhombic in lafeo3 to nearly cubic in la0.8sr0.2feo3. replacement of la3+ by sr2+ induced a positive charge deficiency that was compensated for by the oxidation of some fe3+ to fe4+ and the generation of oxygen vacancies, which greatly promoted the reducibility of the perovskite. la0.8sr0.2feo3 gave considerably enhanced activity in co oxidation and methane combustion because the oxygen vacancies accelerated the dissociation of gaseous oxygen on the surface in co oxidation and facilitated the diffusion of lattice oxygen from the bulk to the surface during ch4 combustion. |
| WOS标题词 | science & technology ; physical sciences ; technology |
| 学科主题 | 物理化学 |
| 类目[WOS] | chemistry, applied ; chemistry, physical ; engineering, chemical |
| 研究领域[WOS] | chemistry ; engineering |
| 关键词[WOS] | automotive-emissions control ; methane combustion ; surface-properties ; total oxidation ; oxides ; redox ; fe ; performance ; reduction ; stability |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000306676600007 |
| 公开日期 | 2013-10-11 |
| 源URL | [http://159.226.238.44/handle/321008/117694]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang Xiaojing,Li Huaju,Li Yong,et al. Structural Properties and Catalytic Activity of Sr-Substituted LaFeO3 Perovskite[J]. chinese journal of catalysis,2012,33(7):1109-1114. |
| APA | Zhang Xiaojing,Li Huaju,Li Yong,&Shen Wenjie.(2012).Structural Properties and Catalytic Activity of Sr-Substituted LaFeO3 Perovskite.chinese journal of catalysis,33(7),1109-1114. |
| MLA | Zhang Xiaojing,et al."Structural Properties and Catalytic Activity of Sr-Substituted LaFeO3 Perovskite".chinese journal of catalysis 33.7(2012):1109-1114. |
入库方式： OAI收割
来源：大连化学物理研究所
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