Carbon nanotubes from catalytic pyrolysis of polypropylene

被引:69
作者
Chung, YH [1 ]
Jou, S [1 ]
机构
[1] Natl Taiwan Univ Sci & Technol, Grad Sch Mat Sci & Technol, Taipei 10672, Taiwan
关键词
carbon nanotubes; electron microscopy; polymers; pyrolysis;
D O I
10.1016/j.matchemphys.2005.01.023
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Carbon nanotubes (CNTs) were produced by pyrolyzing polypropylene (PP) in the presence of iron nanoparticles in a vacuum. Competitive processes of the growth of the CNTs and the coalescence of the iron catalysts governed morphologies of the pyrolyzed products. Multi-walled carbon nanotubes (MWCNTs) of about 16.5-40 nm in diameter were produced at 700 degrees C. Growth of the CNT was hindered at 900 degrees C when the iron particulates became larger than 100 nm. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:256 / 259
页数:4
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