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Issue 16, 2019, Issue in Progress
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Wash-stable, oxidation resistant conductive cotton electrodes for wearable electronics

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Abstract

Commercial, untreated cotton fabrics have been directly silver coated using one-step electroless deposition and, subsequently, conformally encapsulated with a thin layer of poly(perfluorodecylacrylate) (PFDA) using initiated chemical vapor deposition (iCVD). The surface of these PFDA encapsulated fabrics are notably water-repellent while still displaying a surface resistance as low as 0.2 Ω cm−1, making them suitable for incorporation into launderable wearable electronics. X-ray photoelectron spectroscopy confirms that the PFDA encapsulation prevents oxidation of the silver coating, whereas unencapsulated samples display detrimental silver oxidation after a month of air exposure. The wash stability of PFDA-encapsulated, silver-coated cotton is evaluated using accelerated laundering conditions, following established AATCC protocols, and the samples are observed to withstand up to twenty home laundering cycles without notable mechanical degradation of the vapor-deposited PFDA encapsulation. As a proof-of-concept, PFDA-Ag cotton is employed as a top and bottom electrode in a layered, all-fabric triboelectric generator that produces voltage outputs as high as 25 V with small touch actions, such as tapping.

Graphical abstract: Wash-stable, oxidation resistant conductive cotton electrodes for wearable electronics

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Article information


Submitted
04 Feb 2019
Accepted
14 Mar 2019
First published
20 Mar 2019

This article is Open Access

RSC Adv., 2019,9, 9198-9203
Article type
Paper

Wash-stable, oxidation resistant conductive cotton electrodes for wearable electronics

S. Wanwong, W. Sangkhun, S. Z. Homayounfar, K. Park and T. L. Andrew, RSC Adv., 2019, 9, 9198
DOI: 10.1039/C9RA00932A

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    [Original citation] - Published by The Royal Society of Chemistry.

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