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Direct Insulation-to-Conduction Transformation of Adhesive Catecholamine for Simultaneous Increases of Electrical Conductivity and Mechanical Strength of CNT Fibers.

Authors
  • Ryu, Seongwoo
  • Chou, Jeffrey B
  • Lee, Kyueui
  • Lee, Dongju
  • Hong, Soon Hyung
  • Zhao, Rong
  • Lee, Haeshin
  • Kim, Sang-gook
Type
Published Article
Journal
Advanced Materials
Publisher
Wiley (John Wiley & Sons)
Publication Date
Jun 03, 2015
Volume
27
Issue
21
Pages
3250–3255
Identifiers
DOI: 10.1002/adma.201500914
PMID: 25899742
Source
Medline
Keywords
License
Unknown

Abstract

Increase in conductivity and mechanical properties of a carbon nanotube (CNT) fiber inspired by mussel-adhesion chemistry is described. Infiltration of polydopamine into an as-drawn CNT fiber followed by pyrolysis results in a direct insulation-to-conduction transformation of poly(dopamine) into pyrolyzed-poly(dopamine) (py-PDA), retaining the intrinsic adhesive function of catecholamine. The py-PDA enhances both the electrical conductivity and the mechanical strength of the CNT fibers.

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