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Synthesis and characterisation of coiled carbon nanotubes

Paper ID Volume ID Publish Year Pages File Format Full-Text
55436 47053 2012 7 PDF Available
Title
Synthesis and characterisation of coiled carbon nanotubes
Abstract

Recent results from our group and from literature data are summarized. Emphasis is put on the various supported catalysts that can lead to the formation of helical (or coiled) carbon nanotubes. Detailed analysis of transmission electron microscopy images reveals that not all types of nanotubes – having any type of coil pitch and coil diameter – are equally probable: stability islands can be found in the 3D representation of the number of nanotubes as a function of both coil pitch and coil diameter. In most of the cases the coils are formed by introducing pairs of five-membered and seven-membered rings into the nanotubes containing the basic six-membered rings. Possible applications of the helical carbon nanotubes are discussed.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (149 K)Download as PowerPoint slideHighlights► The CCVD method is very efficient in obtaining helical carbon nanotubes. ► Due to their special configuration helical carbon nanotubes have great potential for being used in composite materials. ► In addition to nanocomposite reinforcement, the helical CNTs may also be used as mechanical or as electrical sensors.

Keywords
Nanocoils; Coils; Nanotubes; CCVD; Coil pitch; Coil diameter
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 181, Issue 1, 12 February 2012, Pages 33–39
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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