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Three‐Dimensional Internal Order in Multiwalled Carbon Nanotubes Grown by Chemical Vapor Deposition
Author(s) -
Koziol K.,
Shaffer M.,
Windle A.
Publication year - 2005
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200401791
Subject(s) - materials science , chemical vapor deposition , zigzag , graphene , graphite , carbon fibers , order (exchange) , doping , carbon nanotube , deposition (geology) , nitrogen , nanotechnology , chemical engineering , composite material , organic chemistry , optoelectronics , chemistry , composite number , paleontology , geometry , mathematics , finance , sediment , engineering , economics , biology
Unprecedented levels of internal order are obtained in multiwalled carbon nanotubes grown by chemical vapor deposition with a nitrogen‐doping level of 3%. The tubes are much more ordered than pure carbon equivalents, and are also externally straighter and thicker. The graphene layers are either pure zigzag or pure armchair with spacings close to that of graphite. hkl reflections indicate three‐dimensional crystallographic register (see Figure and inside cover).