Continuous Production of Carbon Nanostructures Using Plasma Jet
Author(s) -
Yoichi Yamatani,
Osamu Fukumasa
Publication year - 2006
Publication title -
japanese journal of applied physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.487
H-Index - 129
eISSN - 1347-4065
pISSN - 0021-4922
DOI - 10.1143/jjap.45.8344
Subject(s) - nanostructure , catalysis , carbon fibers , materials science , plasma , substrate (aquarium) , nanotechnology , chemical engineering , jet (fluid) , chemistry , organic chemistry , composite material , thermodynamics , physics , oceanography , quantum mechanics , geology , composite number , engineering
We have developed a continuous synthesis technique to produce carbon nanostructures using a well-controlled plasma jet. In this method, numerous fiber-like structures can be produced readily using CH_4 gas and H_2 gas without a catalyst. Without a catalyst, carbon nanostructures that have small diameters in the range of about 10-100 nm are mostly produced. The effect of metal catalysts on carbon nanostructure synthesis is also studied. The yields of carbon nanostructures are dramatically increased using Ni substrate and/or Ni powders in the gas-phase synthesis of CH_4 and H_2
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