Journal
NANO RESEARCH
Volume 1, Issue 5, Pages 434-439Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-008-8045-0
Keywords
Multi-walled carbon nanotubes; lip-lip interaction; in situ transmission electron microscopy
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Funding
- Japan Society for Promotion of Science (JSPS)
- CREST
- KAKENHI [19054017]
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The stability of open edged multi-walled carbon nanotubes has been investigated by using in situ high resolution transmission electron microscopy at elevated temperatures. Formation of inter-shell structures was experimentally observed for the first time and attributed to a robust interaction between adjacent concentric shells (so-called lip lip interaction). The fluctuating behavior of the inter-shell structures suggests a mechanism by which the carbon atoms can pass in or out through the inter-shell edges during carbon nanotube growth or shrinkage processes.
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