Studies on synthesis and evaluation of physical properties of novel carbon materials fabricated by plasma reaction in super critical fluid

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Reaction vessel that can generate plasma discharge in super critical fluid was fabricated. Carbon nanotubes were obtained on graphite electrode by use of plasma discharge in super critical fluid of nitrogen. Maximum loading ratio of nitrogen found to be 9.1 at %. Obtained chemical structure of carbon depends on pressure of super critical fluid. Content of quaternary position of nitrogen reached their maximum values at 6.5 Mpa. TEM observation reveals that nano tubes have many nodes like a bamboo.