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All Inkjet-Printed Graphene-Silver Composite Ink on Textiles for Highly Conductive Wearable Electronics Applications

Karim, Nazmul; Afroj, Shaila; Tan, Sirui; Novoselov, Kostya S.; Yeates, Stephen G.

All Inkjet-Printed Graphene-Silver Composite Ink on Textiles for Highly Conductive Wearable Electronics Applications Thumbnail


Authors

Nazmul Karim

Shaila Afroj

Sirui Tan

Kostya S. Novoselov

Stephen G. Yeates



Abstract

© 2019, The Author(s). Inkjet-printed wearable electronic textiles (e-textiles) are considered to be very promising due to excellent processing and environmental benefits offered by digital fabrication technique. Inkjet-printing of conductive metallic inks such as silver (Ag) nanoparticles (NPs) are well-established and that of graphene-based inks is of great interest due to multi-functional properties of graphene. However, poor ink stability at higher graphene concentration and the cost associated with the higher Ag loading in metal inks have limited their wider use. Moreover, graphene-based e-textiles reported so far are mainly based on graphene derivatives such as graphene oxide (GO) or reduced graphene oxide (rGO), which suffers from poor electrical conductivity. Here we report inkjet printing of highly conductive and cost-effective graphene-Ag composite ink for wearable e-textiles applications. The composite inks were formulated, characterised and inkjet-printed onto PEL paper first and then sintered at 150 °C for 1 hr. The sheet resistance of the printed patterns is found to be in the range of ~0.08–4.74 Ω/sq depending on the number of print layers and the graphene-Ag ratio in the formulation. The optimised composite ink was then successfully printed onto surface pre-treated (by inkjet printing) cotton fabrics in order to produce all-inkjet-printed highly conductive and cost-effective electronic textiles.

Journal Article Type Article
Acceptance Date May 14, 2019
Online Publication Date May 29, 2019
Publication Date Dec 1, 2019
Deposit Date Dec 8, 2019
Publicly Available Date Dec 9, 2019
Journal Scientific Reports
Electronic ISSN 2045-2322
Publisher Nature Research (part of Springer Nature)
Peer Reviewed Peer Reviewed
Volume 9
Issue 1
Article Number 8035
DOI https://doi.org/10.1038/s41598-019-44420-y
Keywords Multidisciplinary
Public URL https://uwe-repository.worktribe.com/output/4789696
Additional Information Received: 20 February 2019; Accepted: 14 May 2019; First Online: 29 May 2019; : The authors declare no competing interests.

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Copyright Statement
This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this
article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
© The Author(s) 2019





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