期刊
ELECTROANALYSIS
卷 22, 期 21, 页码 2511-2518出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.201000434
关键词
Screen-printed electrodes; Wearable sensors; GORE-TEX; Explosive agents; Fabrics; Textile; Security
资金
- Office of Naval Research (ONR) [N00014-08-1-1202]
- US Army
- Mexican Government
- Georgia Institute of Technology
This study examines the influence of textile substrates upon the behavior of wearable screen-printed electrodes and demonstrates the attractive sensing properties of these sensors towards the detection of nitroaromatic explosives. Compared to electrodes printed on common cotton or polyester substrates, GORE-TEX-based electrochemical sensors display reproducible background cyclic voltammograms, reflecting the excellent water-repellant properties of the GORE-TEX fabric. The wetting properties of different printed textile electrodes are elucidated using contact angle measurements. The influence of laundry washing and mechanical stress is explored. The GORE-TEX-based printed electrodes exhibit favorable detection of 2,4-dinitrotoluene (DNT) and 2,4,6-trinitrotoluene (TNT) explosives, including rapid detection of DNT vapor.
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