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首页> 外文期刊>Sensors Journal, IEEE >Characteristics of Piezoelectric Polymer Film Sensors With Solution-Processable Graphene-Based Electrode Materials
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Characteristics of Piezoelectric Polymer Film Sensors With Solution-Processable Graphene-Based Electrode Materials

机译：溶液可加工石墨烯基电极材料的压电聚合物薄膜传感器的特性

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摘要

The sensor characteristics of piezoelectric polyvinylidenefluoride (PVDF) sensors with solution-processable electrode materials were studied. The electrodes were solution-processed on 28-m-thick PVDF film. Two graphene-based printable inks, ink-jet, and screen formulated ink, were used. Sensors with evaporated metal electrodes were used as a reference to compare the properties of novel sensor structures. The sensor characteristics studied here were sensitivity, nonlinearity, hysteresis, and the effects of frequency and temperature. The sensor sensitivity measurements revealed mean sensitivities of (31.1 ± 1.4) pC/N for the reference sensors and (26.2 ± 2.2) and (21.4 ± 1.3) pC/N for the sensors with graphene-based ink-jet and screen formulated ink electrodes, respectively. The sensor characteristics of the novel sensors were found to be similar to those of the reference sensors. The new sensors are linear, hysteresis error is negligible, and the operation under changing frequency (up to 100 Hz) is rather stable. Change in ambient temperature somewhat affects the sensor sensitivities. The sensors presented here can be used in several sensing applications, e.g., in plantar pressure distribution measurements.
机译：研究了可溶液处理电极材料的压电聚偏二氟乙烯（PVDF）传感器的传感器特性。电极在28米厚的PVDF膜上进行固溶处理。使用了两种基于石墨烯的可印刷油墨，喷墨和丝网配制油墨。具有蒸发金属电极的传感器用作比较新型传感器结构性能的参考。此处研究的传感器特性包括灵敏度，非线性，磁滞以及频率和温度的影响。传感器灵敏度测量结果显示，参考传感器的平均灵敏度为（31.1±1.4）pC / N，带有石墨烯基喷墨和丝网配制油墨电极的传感器的平均灵敏度为（26.2±2.2）和（21.4±1.3）pC / N ， 分别。发现新型传感器的传感器特性与参考传感器的传感器特性相似。新的传感器是线性的，磁滞误差可以忽略不计，并且在不断变化的频率（最高100 Hz）下的操作相当稳定。环境温度的变化会稍微影响传感器的灵敏度。此处介绍的传感器可用于多种传感应用中，例如，在足底压力分布测量中。

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