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学科主题: 物理化学
题名: Crystal-Phase- and Morphology-Controlled Synthesis of Fe2O3 Nanomaterials
作者: Mou, Xiaoling1;  Li, Yong1;  Zhang, Bingsen2;  Yao, Lide3;  Wei, Xuejiao1;  Su, Dang Sheng2, 3;  Shen, Wenjie1
通讯作者: DangShengSu ;  申文杰
关键词: Crystal phase ;  Morphology ;  Iron ;  Nanostructures ;  Surface analysis
刊名: EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
发表日期: 2012-06-01
DOI: 10.1002/ejic.201101066
期: 16, 页:2684-2690
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 501
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Inorganic & Nuclear
研究领域[WOS]: Chemistry
英文摘要: a- and ?-Fe2O3 nanorods have been prepared from a beta-FeOOH precursor that was obtained by aqueous-phase precipitation of ferric chloride. The oxyhydroxide precursor had a rodlike shape with a diameter of 30-40 nm and a length of 400-500 nm. Calcination at 500 degrees C of the rod-shaped oxyhydroxide in air yielded a-Fe2O3 nanorods, whereas heating to reflux in polyethylene glycol (PEG) at 200 degrees C resulted in the formation of ?-Fe2O3 nanorods. Both oxides inherited the rodlike morphology of the precursor but exposed different crystalline facets. When being used to catalyze NO reduction by CO, an environmentally important reaction in NO abatement, the ?-Fe2O3 nanorods were much more active than the a-Fe2O3 nanorods and showed an apparent crystal-phase effect. This was because the ?-Fe2O3 nanorods simultaneously exposed iron and oxygen ions on their surfaces, which facilitated the adsorption and activation of NO and CO molecules.
关键词[WOS]: IRON-OXIDE ;  BETA-FEOOH ;  ALPHA-FE2O3 NANORODS ;  MAGNETIC-PROPERTIES ;  GAMMA-FE2O3 NANOPARTICLES ;  CARBON-MONOXIDE ;  NO OXIDATION ;  CO REACTION ;  HEMATITE ;  REDUCTION
语种: 英语
WOS记录号: WOS:000304089700014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/118231
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, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
3.Max Planck Gesell, Fritz Haber Inst, Dept Inorgan Chem, D-14195 Berlin, Germany

Recommended Citation:
Mou, Xiaoling,Li, Yong,Zhang, Bingsen,et al. Crystal-Phase- and Morphology-Controlled Synthesis of Fe2O3 Nanomaterials[J]. EUROPEAN JOURNAL OF INORGANIC CHEMISTRY,2012(16):2684-2690.
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