TY - JOUR
T1 - Formation of Y-junction carbon nanotubes by catalytic CVD of methane
AU - Chai, Siang Piao
AU - Zein, Sharif Hussein Sharif
AU - Mohamed, Abdul Rahman
N1 - Funding Information:
The authors would like to acknowledge the financial support provided by the Academy of Sciences of Malaysia under Scientific Advancement Grant Allocation (SAGA; Project: A/C No. 6053001).
Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.
PY - 2006/11
Y1 - 2006/11
N2 - Y-junction carbon nanotubes were grown by catalytic CVD of methane at 700 {ring operator}C on NiO-CuO-MoO(7:2:1) (w/w/w)/SiO2 catalyst. For comparison, NiO-CuO(8:2) (w/w)/SiO2 and NiO-MoO(8:2) (w/w)/SiO2 catalysts were tested for carbon nanotube formation. TEM analysis indicates that no Y-junction structures were formed with the latter two catalysts. This finding elucidates why the addition of a small amount of MoO to NiO-CuO/SiO2 catalyst is crucial for enhancing the formation of Y-junction carbon nanotubes.
AB - Y-junction carbon nanotubes were grown by catalytic CVD of methane at 700 {ring operator}C on NiO-CuO-MoO(7:2:1) (w/w/w)/SiO2 catalyst. For comparison, NiO-CuO(8:2) (w/w)/SiO2 and NiO-MoO(8:2) (w/w)/SiO2 catalysts were tested for carbon nanotube formation. TEM analysis indicates that no Y-junction structures were formed with the latter two catalysts. This finding elucidates why the addition of a small amount of MoO to NiO-CuO/SiO2 catalyst is crucial for enhancing the formation of Y-junction carbon nanotubes.
KW - A. Supported metal catalysts
KW - A. Y-junction carbon nanotubes
KW - B. Chemical vapor deposition
KW - C. Transmission electron microscopy
UR - http://www.scopus.com/inward/record.url?scp=33748775997&partnerID=8YFLogxK
U2 - 10.1016/j.ssc.2006.08.006
DO - 10.1016/j.ssc.2006.08.006
M3 - Article
AN - SCOPUS:33748775997
SN - 0038-1098
VL - 140
SP - 248
EP - 250
JO - Solid State Communications
JF - Solid State Communications
IS - 5
ER -