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Low‐temperature growth of single‐wall carbon nanotubes inside nano test tubes
Author(s) -
Shiozawa Hidetsugu,
Silva S. Ravi P.,
Liu Zheng,
Suenaga Kazu,
Kataura Hiromichi,
Kramberger Christian,
Pfeiffer Rudolf,
Kuzmany Hans,
Pichler Thomas
Publication year - 2010
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.201000314
Subject(s) - carbon nanotube , tube (container) , nano , materials science , nanotechnology , nanocrystal , composite material , chemical engineering , engineering
From nano‐test tube chemistry we determine details of low temperature growth of carbon nanotubes. Single‐walled carbon nanotubes of various diameters are grown at different temperatures from a Pt organometallic precursor encapsulated inside template single‐walled tubes. At the low temperature limits where the reactions are slower and milder, the inner‐tube diameters are optimally determined by the outer‐tube diameter. The growth temperature is determined for a given tube chirality and is found to be dependent on the diameter. It is lower for thinner tubes and can be as low as 600 °C for the (7.3) tube. In situ nano‐test tube chemistry within a state‐of‐the‐art microscope provides an idealistic nano‐clean room experiment, which allows monitoring of a snapshot in the catalytic growth of a single‐walled tube out of a Pt nanocrystal.