Development of a novel highly conductive and flexible cotton yarn for wearable pH sensor technology
Development of a novel highly conductive and flexible cotton yarn for wearable pH sensor technology
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DOI：
10.1016/j.snb.2019.01.088
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发表时间：
2019-05-15
影响因子：
8.4
通讯作者：
Crean, Carol
中科院分区：
文献类型：
--
作者：
Smith, Rachel E.;Totti, Stella;Crean, Carol
在聚（3，4-乙烯-二氧噻吩）-聚（苯乙烯磺酸盐）（PEDOT：PSS）和多壁碳纳米管（MWCNT）的分散体中“浸渍和干燥”棉纱的简单有效的方法导致了高导电性和柔性棉纤维的开发。随后的聚苯胺（PANi）沉积产生了具有显著生物相容性和抗菌特性的电极，其可以被制造（与准参考电极一起）成固态可穿戴pH传感器，其在宽pH范围（2.0-12.0）内实现快速、选择性和能斯特响应（-61 +/-2 mV pH（-1）），甚至在pH调节的人工汗液基质中。这一发展代表了实现实时、身体上、可穿戴传感器的重要进展。
The simple and effective approach of "dipping and drying" cotton yarn in a dispersion of poly(3,4-ethylene-dioxythiophene)-poly(styrene sulfonate) (PEDOT:PSS) and multi-walled carbon nanotubes (MWCNT) resulted in the development of highly conductive and flexible cotton fibres. Subsequent polyaniline (PANi) deposition yielded electrodes with significant biocompatible and antibacterial properties that could be fabricated (alongside quasi-reference electrodes) into solid-state wearable pH sensors, which achieve rapid, selective, and Nernstian responses (-61 +/- 2 mV pH(-1)) over a wide pH range (2.0-12.0), even in a pH-adjusted artificial sweat matrix. This development represents an important progression towards the realisation of real-time, on-body, wearable sensors.