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High purity carbon nanotubes are synthesized by methane decomposition using an arc-jet plasma of high temperature (5000–20,000K). Since the arc-jet plasma process is continuous and easily scalable, it is a promising technique for the large-scale commercial production of carbon nanotubes. In this experimental work, the arc-jet plasma is generated by a dc non-transferred plasma torch, in which a mixture...
Boron nitride nanotubes (BNNTs) are synthesized by the arc-jet plasma of high temperature (5000–20000K), which is generated by a dc non-transferred plasma torch with a mixture of argon and nitrogen gas. The BNNTs produced by the thermal plasma process are resulted from the chemical reaction of a precursor material of hexagonal boron nitride with catalytic metal powders of Ni and Y introduced into...
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