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Fabrication and characterization of branched carbon nanostructures

Malik, Sharali; Nemoto, Yoshihiro; Guo, Hongxuan; Ariga, Katsuhiko; Hill, Jonathan P.

Carbon nanotubes (CNTs) have atomically smooth surfaces and tend not to form covalent bonds with composite matrix materials. Thus, it is the magnitude of the CNT/fiber interfacial strength that limits the amount of nanomechanical interlocking when using conventional CNTs to improve the structural behavior of composite materials through reinforcement. This arises from two wellknown, long standing problems in this research field: (a) inhomogeneous dispersion of the filler, which can lead to aggregation and (b) insufficient reinforcement arising from bonding interactions between the filler and the matrix. These dispersion and reinforcement issues could be addressed by using branched multiwalled carbon nanotubes (b-MWCNTs) as it is known that branched fibers can greatly enhance interfacial bonding and dispersability. Therefore, the use of b-MWCNTs would lead to improved mechanical performance and, in the case of conductive composites, improved electrical performance if the CNT filler was better dispersed and connected. This will provide major benefits to the existing commercial application of CNT-reinforced composites in electrostatic d ... mehr

Zugehörige Institution(en) am KIT Institut für Nanotechnologie (INT)
Publikationstyp Zeitschriftenaufsatz
Jahr 2016
Sprache Englisch
Identifikator DOI: 10.3762/bjnano.7.116
ISSN: 2190-4286
URN: urn:nbn:de:swb:90-604203
KITopen ID: 1000060420
HGF-Programm 43.21.03; LK 01
Erschienen in Beilstein journal of nanotechnology
Band 7
Seiten 1260-1266
Lizenz CC BY 4.0: Creative Commons Namensnennung 4.0 International
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