Ni3C-assisted growth of carbon nanofibres 300 °c by thermal CVD

Yu, Bowen, Wang, Shiliang, Zhang, Qiankun, He, Yuehui, Huang, Han and Zou, Jin (2014) Ni3C-assisted growth of carbon nanofibres 300 °c by thermal CVD. Nanotechnology, 25 32: . doi:10.1088/0957-4484/25/32/325602

Author Yu, Bowen
Wang, Shiliang
Zhang, Qiankun
He, Yuehui
Huang, Han
Zou, Jin
Title Ni3C-assisted growth of carbon nanofibres 300 °c by thermal CVD
Formatted title
 Ni3C-assisted growth of carbon nanofibres 300 °C by thermal CVD
Journal name Nanotechnology   Check publisher's open access policy
ISSN 1361-6528
Publication date 2014-08-15
Year available 2014
Sub-type Article (original research)
DOI 10.1088/0957-4484/25/32/325602
Open Access Status
Volume 25
Issue 32
Total pages 7
Place of publication Bristol, United Kingdom
Publisher Institute of Physics Publishing
Collection year 2015
Language eng
Formatted abstract
Ni-assisted thermal chemical vapor deposition (TCVD) is one of the most common techniques for the growth of carbon nanofibres/nanotubes (CNFs/CNTs). However, some fundamental issues related to the catalytic growth of CNFs/CNTs, such as the low-limit growth temperature, the limiting steps and the state of Ni, are still controversial. Here, we report the growth of CNFs at 300 °C; that is the lowest temperature for the growth of CNFs by TCVD using Ni as the catalyst so far. The results showed that the Ni existed in rhombohedral Ni 3C, not in the normal form of face-centered cubic Ni, and the C atoms for building the CNFs were precipitated from the (001) planes of the faceted Ni3C nanoparticles. The CNFs are believed to be formed by the decomposition-formation cycle of metastable Ni3C that has a low-limit decomposition temperature of about 300 °C. Our results strongly suggest that TCVD is a valuable tool for the synthesis of CNFs/CNTs at temperatures below 400 °C, which is generally considered as the upper-limit temperature for fabricating complementary metal oxide semiconductor devices but is the low-limit temperature for growing CNFs/CNTs by TCVD at present.
Keyword Thermal chemical vapor deposition
Carbon nanofibres
Nickel carbide
Low temperature
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

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