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Morphology observation of carbon deposition by CH4 decomposition over Ni-based catalysts
Yang, YL; Xu, HY; Li, WZ; Yang YL(杨咏来); Yang YL(杨咏来)
刊名NANOTECHNOLOGY
2005
DOI10.1088/0957-4484/16/1/026
16期:1页:129-132
收录类别SCI
文章类型Article
部门归属8
项目归属801
产权排名1;1
WOS标题词Science & Technology ; Technology ; Physical Sciences
类目[WOS]Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
研究领域[WOS]Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]METHANE DECOMPOSITION ; NANOTUBE GROWTH ; PARTICLE-SIZE ; SYNTHESIS GAS ; DIOXIDE ; DIAMETER ; NANOPARTICLES ; NANOFIBERS ; OXIDATION ; SYNGAS
英文摘要We found a novel morphology variation of carbon deposition derived from CH4 decomposition over NI-based catalysts. By altering the chemical composition and particle size of Ni-based catalysts, carbon filaments, nanofibres and nanotubes were observed over conventional Ni/y-Al2O3, Ni-Co/gamma-Al2O3 and nanoscale Ni-Co/gamma-Al2O3 catalysts, respectively. The simple introduction of Co into a conventional Ni/gamma-Al2O3 catalyst can vary the carbon deposition from amorphous filamentous carbon to ordered carbon fibres. Moreover, carbon nanotubes with uniform diameter distribution can be obtained over nanosized Ni-Co/gamma-Al2O3 catalyst particles. In addition, the oxidation behaviour of the different deposited carbon was studied by using a temperature-programmed oxidation technique. This work provides a simple strategy to control over the size and morphology of the carbon deposition from catalytic decomposition of CH4.
语种英语
原文出处查看原文
WOS记录号WOS:000226763800027
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/81531
专题中国科学院大连化学物理研究所
通讯作者Yang YL(杨咏来); Yang YL(杨咏来)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Yang, YL,Xu, HY,Li, WZ,et al. Morphology observation of carbon deposition by CH4 decomposition over Ni-based catalysts[J]. NANOTECHNOLOGY,2005,16(1):129-132.
APA Yang, YL,Xu, HY,Li, WZ,杨咏来,&杨咏来.(2005).Morphology observation of carbon deposition by CH4 decomposition over Ni-based catalysts.NANOTECHNOLOGY,16(1),129-132.
MLA Yang, YL,et al."Morphology observation of carbon deposition by CH4 decomposition over Ni-based catalysts".NANOTECHNOLOGY 16.1(2005):129-132.
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