TY - JOUR
T1 - Effects of catalyst on the super-growth of multi-walled carbon nanotubes
AU - Kim, Hyeongkeun
AU - Chun, Kyoung Yong
AU - Choi, Jaeboong
AU - Kim, Youngjin
AU - Baik, Seunghyun
PY - 2010/5
Y1 - 2010/5
N2 - We investigated the effects of catalyst (Fe)/buffer layer (Al 2O 3) on the vertical growth multiwalled carbon nanotubes (CNTs) synthesized by thermal chemical vapor deposition. The Fe was deposited onto Al 2O 3/SiO 2/Si wafer by using e-beam evaporator. Ethylene was used as a feeding gas while argon was used as a carrier gas. Hydrogen was also introduced. The catalyst layers were optimized to control the length, diameter, purity, and alignment of CNTs. For the optimized conditions we produced vertically aligned CNTs of about 1 cm in length during 10 h. The effects of catalysts on nanotube characteristics were systematically analyzed using SEM, TEM, and Raman measurement.
AB - We investigated the effects of catalyst (Fe)/buffer layer (Al 2O 3) on the vertical growth multiwalled carbon nanotubes (CNTs) synthesized by thermal chemical vapor deposition. The Fe was deposited onto Al 2O 3/SiO 2/Si wafer by using e-beam evaporator. Ethylene was used as a feeding gas while argon was used as a carrier gas. Hydrogen was also introduced. The catalyst layers were optimized to control the length, diameter, purity, and alignment of CNTs. For the optimized conditions we produced vertically aligned CNTs of about 1 cm in length during 10 h. The effects of catalysts on nanotube characteristics were systematically analyzed using SEM, TEM, and Raman measurement.
KW - Multi-Walled carbon nanotubes
KW - Sandwich-Like catalyst
KW - Thermal chemical vapor deposition
KW - Vertically aligned super-growth
UR - https://www.scopus.com/pages/publications/77954992558
U2 - 10.1166/jnn.2010.2321
DO - 10.1166/jnn.2010.2321
M3 - Article
AN - SCOPUS:77954992558
SN - 1533-4880
VL - 10
SP - 3362
EP - 3365
JO - Journal of Nanoscience and Nanotechnology
JF - Journal of Nanoscience and Nanotechnology
IS - 5
ER -