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Solid Single Phase Catalyst for Growth of Bundled or Dispersed MWCNT by CVD*
Xu Junminga,Zhang Xiaobina, b,Li Yua,Tao Xinyonga,Chen Feia,Yang Xiaofanga
Author NameAffiliation
Xu Junminga Department ofMaterials Science and Engineering, Zhejiang University, Hangzhou 310027 
Zhang Xiaobina, b State Key Laboratory ofSilicon Materials, Zhejiang University, Hangzhou 310027 
Li Yua Department ofMaterials Science and Engineering, Zhejiang University, Hangzhou 310027 
Tao Xinyonga Department ofMaterials Science and Engineering, Zhejiang University, Hangzhou 310027 
Chen Feia Department ofMaterials Science and Engineering, Zhejiang University, Hangzhou 310027 
Yang Xiaofanga Department ofMaterials Science and Engineering, Zhejiang University, Hangzhou 310027 
Abstract:
Fe-Mo-Mg-O catalyst prepared by combustion method has great efficiency to growcarbon nanotubeswith CVD method. Through investigation of TEM, it is found that bundles of multi-wall carbon nanotubes (MWCNT) can be got when the catalyst is directly used to synthesize the product in CH4/H2atmosphere; however, the dispersed carbon nanotubes are obtained while the catalyst is reduced firstly in the H2before the synthesis. The morphology and structure of the catalysts before and after reduced are analyzed byTEMand XRD. The growthmechanism is suggeested forthe formation off these two kinds of carbon nanotubes.
Key words:  carbon nanotubes, bundle ofMWCNT, CVD method
FundProject:
固体单相催化剂CVD法制备成束或分散MWCNT*
徐军明,张孝彬,李昱,陶新永,陈飞,杨晓芳
摘要:
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DOI:10.1088/1674-0068/16/6/432-434
分类号: