Rearrangement of 1D conducting nanomaterials towards highly electrically conducting nanocomposite fibres for electronic textiles

Scientific Reports
Joong Tark HanGeon-Woong Lee

Abstract

Nanocarbon-based conducting fibres have been produced using solution- or dry-spinning techniques. Highly conductive polymer-composite fibres containing large amounts of conducting nanomaterials have not been produced without dispersants, however, because of the severe aggregation of conducting materials in high-concentration colloidal solutions. Here we show that highly conductive (electrical conductivity ~1.5 × 10(5) S m(-1)) polymer-composite fibres containing carbon nanotubes and silver nanowires can be fabricated via a conventional solution-spinning process without any other treatment. Spinning dopes were fabricated by a simple mixing of a polyvinyl alcohol solution in dimethylsulfoxide with a paste of long multi-walled carbon nanotubes dispersed in organic solvents, assisted by quadruple hydrogen-bonding networks and an aqueous silver nanowire dispersion. The high electrical conductivity of the fibre was achieved by rearrangement of silver nanowires towards the fibre skin during coagulation because of the selective favourable interaction between the silver nanowires and coagulation solvents. The prepared conducting fibres provide applications in electronic textiles such as a textile interconnector of light emitting diodes,...Continue Reading

References

Oct 25, 2002·Nature·Kaili JiangShoushan Fan
Jun 13, 2003·Nature·Alan B DaltonRay H Baughman
Sep 9, 2004·Science·Lars M EricsonRichard E Smalley
Nov 17, 2007·Science·Krzysztof KoziolAlan Windle
Jun 3, 2002·Angewandte Chemie·Andreas Hirsch
Nov 7, 2009·Nature Nanotechnology·Huisheng PengQuanxi Jia
Oct 8, 2013·Nature Communications·Joong Tark HanGeon-Woong Lee

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Citations

Nov 10, 2015·Scientific Reports·Sang Su YoonJea Uk Lee
Mar 24, 2016·Angewandte Chemie·Wei WengHuisheng Peng
Jan 27, 2019·Nature Communications·Wonkyeong SonChangsoon Choi
Jun 23, 2021·ACS Applied Materials & Interfaces·Young-Eun ShinJoong Tark Han

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Methods Mentioned

BETA
X-ray
scanning electron microscopy

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