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Zhao et al., 2013 - Google Patents

Arc synthesis of double-walled carbon nanotubes in low pressure air and their superior field emission properties

Zhao et al., 2013

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Document ID
12051535181200971076
Author
Zhao J
Su Y
Yang Z
Wei L
Wang Y
Zhang Y
Publication year
Publication venue
Carbon

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Snippet

Double-walled carbon nanotubes (DWCNTs) have been effectively synthesized by direct current (DC) arc discharge in low pressure air using a mixture of Fe catalyst and FeS promoter. Compared with conventional arc methods, this method is easier to implement …
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    • C01B31/00Carbon; Compounds thereof
    • C01B31/02Preparation of carbon; Purification; After-treatment
    • C01B31/0206Nanosized carbon materials
    • C01B31/022Carbon nanotubes
    • C01B31/0253After-treatments
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    • C01B31/0233Preparation characterized by the catalyst
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    • C01B31/00Carbon; Compounds thereof
    • C01B31/02Preparation of carbon; Purification; After-treatment
    • C01B31/04Graphite, including modified graphite, e.g. graphitic oxides, intercalated graphite, expanded graphite or graphene
    • C01B31/0438Graphene
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    • C01B31/0469Preparation by exfoliation
    • C01B31/0476Preparation by exfoliation starting from graphitic oxide
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    • C01B31/0206Nanosized carbon materials
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