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题名: Perovskite La1-xSrxFe1-yMnyO3 hollow nanospheres: Synthesis and application in catalytic hydrogen peroxide decomposition
作者: Gao, Peng1, 2;  Li, Ning1;  Wang, Xiaodong1;  Cong, Yu1;  Wang, Aiqin1
关键词: La1-xSrxFe1-yMnyO3 ;  Hollow nanosphere ;  Hydrogen peroxide ;  Microstructure ;  Nanoparticles
刊名: MATERIALS LETTERS
发表日期: 2013-11-15
DOI: 10.1016/j.matlet.2013.08.083
卷: 111, 页:89-92
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Materials Science, Multidisciplinary ;  Physics, Applied
研究领域[WOS]: Materials Science ;  Physics
英文摘要: Perovskite-type LaFeO3 and La1-xSrxFe1-yMnyO3 hollow nanospheres were prepared, for the first time, via a urea-assisted one-pot solvothermal method. The chemical compositions, crystalline phases, specific surface areas and morphologies of the materials as-prepared were characterized by ICP-OES, XRD, nitrogen adsorption and TEM, respectively. It was found that the presence of urea greatly decreased the nucleation temperature which led to the smaller particle sizes of products. As a potential application, the materials as-prepared exhibited superior activity and good stability in the catalytic decomposition of hydrogen peroxide. The excellent activity of La1-xSrxFe1-yMnyO3 hollow nanospheres can be rationalized by their high specific surface areas and hollow nanoparticle morphology. The high stability of these materials can be attributed to their perovskite-type crystal structures. (C) 2013 Elsevier B.V. All rights reserved.
关键词[WOS]: WET AIR OXIDATION ;  CONTROLLABLE SYNTHESIS ;  OXIDES ;  H2O2 ;  MECHANISM ;  SHELL ;  CORE ;  ACID
语种: 英语
WOS记录号: WOS:000326131400024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137828
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Gao, Peng,Li, Ning,Wang, Xiaodong,et al. Perovskite La1-xSrxFe1-yMnyO3 hollow nanospheres: Synthesis and application in catalytic hydrogen peroxide decomposition[J]. MATERIALS LETTERS,2013,111:89-92.
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