期刊
CARBON
卷 43, 期 3, 页码 631-640出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2004.10.027
关键词
carbon nanotubes; chemical vapor deposition; electron microscopy; X-ray diffraction
Multiwall carbon nanotubes containing carbon-zeolite composite materials have been obtained by ethylene catalytic chemical vapor deposition (CCVD) on Co-modified beta zeolite powder. High carbon selectivity to nanotubes was achieved. The combined physical characterisation through several techniques, such as TEM, HRTEM, SEM, XRD, N-2 adsorption-desorption, allows to determine the geometric characteristics of nanotubes and their dependence of catalyst and synthesis conditions. (C) 2004 Elsevier Ltd. All rights reserved.
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