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题名: Synthesis and characterization of nanostructured Mo2C on carbon material by carbothermal hydrogen reduction
作者: Liang, CH;  Wei, ZB;  Xin, Q;  Li, C;  Gaigneaux, E;  DeVos, DE;  Grange, P;  Jacobs, PA;  Martens, JA;  Ruiz, P;  Poncelet, G
刊名: SCIENTIFIC BASES FOR THE PREPARATION OF HETEROGENEOUS CATALYSTS
发表日期: 2002
卷: 143, 页:975-982
收录类别: ISTP ;  SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Nano-structured beta-Mo2C on ultrahigh surface area carbon material (>3000 m(2)/g) was prepared by carbothermal hydrogen reduction method. The MoO3 precursor and Mo2C have been characterized by X-ray diffraction, nitrogen adsorption, high-resolution transmission electron microscope (HRTEM) and temperature-programmed reduction-mass spectroscopy (TPR-MS). The data show that nanostructured beta-Mo2C can be formed on the ultrahigh surface area carbon materials by carbothermal hydrogen reduction at 700 degreesC. The particle sizes of beta-Mo2C increase with the increase of the temperature of carbothermal hydrogen reduction. The carbothermal hydrogen reduction includes two successive steps: reduction of MoO3 precursor by hydrogen and reaction between partially reduced molybdenum oxides and surface carbon atoms of carbon materials.
关键词[WOS]: MOLYBDENUM CARBIDE CATALYSTS ;  SURFACE-AREA ;  UNSUPPORTED POWDERS ;  TUNGSTEN CARBIDES ;  NITRIDE ;  HYDRODENITROGENATION
语种: 英语
WOS记录号: WOS:000179552800106
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139187
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

Recommended Citation:
Liang, CH,Wei, ZB,Xin, Q,et al. Synthesis and characterization of nanostructured Mo2C on carbon material by carbothermal hydrogen reduction[J]. SCIENTIFIC BASES FOR THE PREPARATION OF HETEROGENEOUS CATALYSTS,2002,143:975-982.
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