TY - GEN
T1 - Influences of temperature and available carbon sources on synthesis of carbon nanotubes in methane-air diffusion flames
AU - Li, Tianxiang
AU - Kuwana, Kazunori
AU - Saito, Kozo
AU - Zhang, Hongguo
AU - Chen, Zhi
PY - 2007
Y1 - 2007
N2 - We have conducted experimental and numerical studies on CNT growth using flame synthesis. Here we report the effects of three key parameters, selective catalyst, temperature and available carbon sources on CNT formation and growth. Two different substrates were tested to synthesize MWCNTs: Ni-alloy wire substrates to obtain curved and entangled CNTs, and Si-substrates with porous anodic aluminum oxide (AAO) nanotemplate to grow well-aligned, self-assembled, and size-controllable CNTs, each using two different types of laminar flames, co-flow methane-air and counter-flow methane-air diffusion flames. Our results suggest that possible carbon sources for CNT growth are those species existing in the synthesis region (C2H2, C2H4, and C2H6, methyl radical CH3), and major species CO and H2 in the synthesis region help promote catalyst reaction.
AB - We have conducted experimental and numerical studies on CNT growth using flame synthesis. Here we report the effects of three key parameters, selective catalyst, temperature and available carbon sources on CNT formation and growth. Two different substrates were tested to synthesize MWCNTs: Ni-alloy wire substrates to obtain curved and entangled CNTs, and Si-substrates with porous anodic aluminum oxide (AAO) nanotemplate to grow well-aligned, self-assembled, and size-controllable CNTs, each using two different types of laminar flames, co-flow methane-air and counter-flow methane-air diffusion flames. Our results suggest that possible carbon sources for CNT growth are those species existing in the synthesis region (C2H2, C2H4, and C2H6, methyl radical CH3), and major species CO and H2 in the synthesis region help promote catalyst reaction.
UR - https://www.scopus.com/pages/publications/84946560539
UR - https://www.scopus.com/pages/publications/84946560539#tab=citedBy
M3 - Conference contribution
AN - SCOPUS:84946560539
T3 - Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2007 "Chemical and Physical Processes in Combustion"
SP - 582
EP - 587
BT - Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2007 "Chemical and Physical Processes in Combustion"
T2 - Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2007: Chemical and Physical Processes in Combustion
Y2 - 21 October 2007 through 24 October 2007
ER -