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2004
Nanotechnology
V 1505
Optimization of the Ni—Y Catalyst Composition in Bulk Electric Arc Synthesis
Single-Walled Carbon Nanotubes by Use of Near-Infrared Spectroscopy. —
44- 245 of
A wide range of catalyst concentrations (3—6 at.% Ni and 1—2 at.% Y) is found to
enable efficient production of high-purity single-walled carbon nanotube (SWNT) soot
by the electric arc (EA) discharge method. The broad window of acceptable synthetic
parameters found in this study suggests that there is an opportunity to scale-up the EA
discharge synthesis of SWNTs to the industrial level. Significant deviations of the concentrations of either Ni or Y outside the optimum parameters result in a degradation in
the quality and yield of the SWNT soot. — (ITKIS, M. E.; PEREA, D. E.; NIYOGI,
S.; LOVE, J.; TANG, J.; YU, A.; KANG, C.; JUNG, R.; HADDON*, R. C.; J. Phys.
Chem. B 108 (2004) 34, 12770-12775; Dep. Chem., Univ. Calif., Riverside, CA
92521, USA; Eng.) — Schramke
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