Textile-based Electrochemical Sensing: Effect of Fabric Substrate and Detection of Nitroaromatic Explosives

被引:85
作者
Chuang, Min-Chieh [1 ]
Windmiller, Joshua Ray [1 ]
Santhosh, Padmanabhan [1 ]
Ramirez, Gabriela Valdes [1 ]
Galik, Michal [1 ]
Chou, Tzu-Yang [1 ]
Wang, Joseph [1 ]
机构
[1] Univ Calif San Diego, Dept NanoEngn, La Jolla, CA 92093 USA
关键词
Screen-printed electrodes; Wearable sensors; GORE-TEX; Explosive agents; Fabrics; Textile; Security; SENSOR;
D O I
10.1002/elan.201000434
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
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.
引用
收藏
页码:2511 / 2518
页数:8
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