High-strength carbon nanotube fibers fabricated by infiltration and curing of mussel-inspired catecholamine polymer

Seongwoo Ryu, Yuhan Lee, Jae Won Hwang, Seonki Hong, Chunsoo Kim, Tae Gwan Park, Haeshin Lee, Soon Hyung Hong

Research output: Contribution to journalArticlepeer-review

198 Scopus citations

Abstract

Super-strong carbon nanotube (CNT) fibers are fabricated by infiltration of the mussel-inspired underwater adhesives, poly(ethylenimine)-catechols (PEI-Cs). PEI-C mimics the amino acid sequence of mussel adhesive proteins in which catechols from 3,4- dihydroxyl-L-phenylalanine and amines from lysine are found. Weak interactions between CNTs are overcome by heat-induced, metal-catalyzed chemical crosslinking of catechol. PEI-C's strong and versatile adhesion results in high-strength CNT fibers.

Original languageEnglish
Pages (from-to)1971-1975
Number of pages5
JournalAdvanced Materials
Volume23
Issue number17
DOIs
StatePublished - May 3 2011
Externally publishedYes

Keywords

  • biomimetics
  • carbon nanotube composites
  • carbon nanotube fibers

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