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题名: La(OH)(3) and La2O2CO3 nanorod catalysts for Claisen-Schmidt condensation
作者: Wang, Fei1;  Ta, Na1;  Li, Yong1;  Shen, Wenjie1
关键词: La(OH)(3) ;  La2O2CO3 ;  Nanorod ;  Crystal facet ;  Basicity ;  Claisen-Schmidt condensation
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2014-03-01
DOI: 10.1016/S1872-2067(14)60008-5
卷: 35, 期:3, 页:437-443
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: La(OH)(3) nanorods of 15 nm diameter and up to 700 nm long were synthesized using different pH values of the solution used in the hydrothermal synthesis. A more alkaline solution favored the formation of tiny La(OH)(3)nuclei, which grew along the c-axis due to their anisotropic nature and led to the formation of rod-shaped crystals. Calcination of the La(OH)(3)nanorods at 773 K gave La2O2CO3 nanorods. Their basic properties were correlated with their size. As the aspect ratio increased from 2 to 20, the basic sites increased from 0.08 to 0.24 mmol/g, which was due to a higher exposure of (110) planes. In the catalysis of the condensation reaction of benzaldehyde with acetophenone, the reaction rate was correlated with the number of La3(+)-0(2)- pairs on the exposed (110) facets of the La(2)O(2)CO(3)nanorods. (c) 2014, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
关键词[WOS]: OXIDE NANOSTRUCTURES ;  MGO(111) NANOSHEETS ;  HYDROGEN-PRODUCTION ;  HYDROXIDE NANORODS ;  LA2O3 NANORODS ;  SHAPE ;  MGO ;  EFFICIENT ;  METHANE ;  SURFACE
语种: 英语
WOS记录号: WOS:000333322300023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145694
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, Liaoning, Peoples R China

Recommended Citation:
Wang, Fei,Ta, Na,Li, Yong,et al. La(OH)(3) and La2O2CO3 nanorod catalysts for Claisen-Schmidt condensation[J]. CHINESE JOURNAL OF CATALYSIS,2014,35(3):437-443.
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