Twisting patterning: Electrochemical deposition of stretchable spiral metallic conductors on elastic polymer threads

Yu Chang, Tingrui Pan, Zhenguo Yang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A twisting patterning process is developed to fabricate spring-like 3D stretchable metallic conductors on elastic threads. This process follows steps of thread twisting, catalyst spraying and electrochemical deposition of metal to prepare a thick metallic spiral coiled on a thread surface. The prepared spiral conductor is highly stretchable with a pure metal conductivity (5.76 μΩ cm using a combinative metal layer of gold, copper and nickel), a low resistance (about 0.1 Ω per centimeter) and an extremely high resistance stability when stretching (<3% resistance fluctuation at the strain lower than 100%), so it is quite appropriate to connect electronic components in stretchable devices. Double parallel metallic spirals can be prepared on a single thread, so the input and output of current can be achieved using one thread. Multi-spiral patterns with different spiral styles can also be prepared on a single thread to form a specific circuit bonded with functional components, and the whole device is obtained in a thread form. In addition, the inductance of the spring-like conductor shows an increase while stretching and a decrease while bending, indicating potential applications on tension and bending detection.

Original languageEnglish (US)
Pages (from-to)1215-1223
Number of pages9
JournalJournal of Materials Chemistry C
Volume6
Issue number5
DOIs
StatePublished - Jan 1 2018

Fingerprint

Polymers
Metals
Stretching
Spraying
Nickel
Gold
Inductance
Copper
Catalysts
Networks (circuits)

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry

Cite this

Twisting patterning : Electrochemical deposition of stretchable spiral metallic conductors on elastic polymer threads. / Chang, Yu; Pan, Tingrui; Yang, Zhenguo.

In: Journal of Materials Chemistry C, Vol. 6, No. 5, 01.01.2018, p. 1215-1223.

Research output: Contribution to journalArticle

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