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Schematic diagram of microplasma reactor and tubular flow furnace used for catalytic, gas-phase growth of carbon nanotubes. As-grown nanostructures are continuously monitored by a DMA and CPC.
(Color online) Temperature-dependent aerosol size distributions of carbon nanostructures grown on (a) Fe and (b) Ni catalyst particles. Log-normal distribution fits are shown. The insets show the size distributions of the nanoparticles (NPs) synthesized in the microplasma reactor (experimental conditions: (SCCM denotes cubic centimeter per minute at STP) Ar for Fe NPs and Ar for Ni NPs).
HRTEM images of carbon nanostructures grown in a tube furnace on (a) Fe particles at , (b) Fe particles at , (c) Ni particles at , and (d) Ni particles at (experimental conditions: ).
Arrhenius plots for growth rates of CNTs on Fe and Ni catalyst particles.
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