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Synthesis of Aligned Carbon Nanotubes with Double Coaxial Structure of Nitrogen‐Doped and Undoped Multiwalls
Author(s) -
Xu W.,
Kyotani T.,
Pradhan B.K.,
Nakajima T.,
Tomita A.
Publication year - 2003
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.200304752
Subject(s) - materials science , carbon nanotube , coaxial , heteroatom , stacking , nanotechnology , doping , heterojunction , carbon fibers , oxide , chemical engineering , optoelectronics , composite material , organic chemistry , ring (chemistry) , composite number , chemistry , electrical engineering , metallurgy , engineering
Aligned carbon nanotubes with a double coaxial structure of nitrogen‐doped and undoped multiwalls are fabricated using an aluminum anodic oxide film as a template. A bundle of nanotubes is shown in the Figure. The new technique opens up a novel route for the synthesis of carbon nanotubes with coaxial heterojunctions by stacking layers with different heteroatom‐doping.