Influence of total gas flow on carbon nanotube forests synthesised by water‐assisted chemical vapour deposition | Zendy

Liang Youxuan | Zendy; Jiang Chuan | Zendy; Zhao Bin | Zendy; Yang Junhe | Zendy

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Influence of total gas flow on carbon nanotube forests synthesised by water‐assisted chemical vapour deposition

Author(s) -

Liang Youxuan,

Jiang Chuan,

Zhao Bin,

Yang Junhe

Publication year - 2013

Publication title -

micro and nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.25

H-Index - 31

ISSN - 1750-0443

DOI - 10.1049/mnl.2013.0526

Subject(s) - carbon nanotube , chemical vapor deposition , materials science , chemical engineering , deposition (geology) , nanotechnology , carbon fibers , environmental chemistry , chemistry , composite material , geology , paleontology , sediment , composite number , engineering

The influence of total gas flow on the growth of carbon nanotube (CNT) forests in water‐assisted chemical vapour deposition has been investigated. It was found that the average height of the CNT forests decreased gradually from 996.53 to 696.8 μm, and the growth yield decreased notably from 2.91 to 1.98 mg/cm 2 as the total flow increased, but the crystallinity and thermostability of CNT forests increased with increasing total flow. Investigation on CNT growth kinetics suggested that increasing the total flow could decrease the growth rate and shorten catalyst lifetime because of decreased gas dwell time and enhanced subsurface diffusion of Fe catalyst.

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