Document Type

Journal Article

Department/Unit

Department of Physics

Title

Aqueous and air-compatible fabrication of high-performance conductive textiles

Abstract

This paper describes a fully aqueous- and air-compatible chemical approach to preparing high-performance conductive textiles. In this method, the surfaces of textile materials are first modified with an aqueous solution of double-bond-containing silane molecules to form a surface-anchoring layer for subsequent in situ free-radical polymerization of [2-(methacryloyloxy)ethyl]trimethylammonium chloride (METAC) in the air. Thin layers of poly-METAC (PMETAC) are therefore covalently grafted on top of the silane-modified textile surface. Cu- or Ni-coated textiles are finally fabricated by electroless deposition (ELD) onto the PMETAC-modified textiles. Parameters including polymerization time, temperature, and ELD conditions are studied to optimize the whole fabrication process. The as-made conductive textiles exhibit sheet resistance as low as 0.2 Ω sq−1, which makes them highly suitable for use as conductive wires and interconnects in flexible and wearable electronic devices. More importantly, the chemical method is fully compatible with the conventional “pad-dry-cure” fabrication process in the textile manufacturing industry, thus indicating that it is very promising for high-throughput and roll-to-roll fabrication of high-performance metal-coated conductive textiles in the future.

Publication Year

2014

Journal Title

Chemistry - An Asian Journal

Volume number

9

Issue number

8

Publisher

Wiley-VCH Verlag

First Page (page number)

2170

Last Page (page number)

2177

Referreed

1

Funder

Funded by GRF of Hong Kong, Grant Number: 5030/12P and The Hong Kong Polytechnic University, Grant Number: A-SA74

DOI

10.1002/asia.201402230

ISSN (print)

18614728

Link to Publisher’s Edition

http://dx.doi.org/10.1002/asia.201402230

Keywords

conducting materials, electroless deposition, polymerization, radicals, wearable electronics

ISSN (electronic)

1861471X

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