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首页> 美国卫生研究院文献>Scientific Reports >Highly Sensitive and Multifunctional Tactile Sensor Using Free-standing ZnO/PVDF Thin Film with Graphene Electrodes for Pressure and Temperature Monitoring
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Highly Sensitive and Multifunctional Tactile Sensor Using Free-standing ZnO/PVDF Thin Film with Graphene Electrodes for Pressure and Temperature Monitoring

机译：使用独立的ZnO / PVDF薄膜和石墨烯电极的高灵敏多功能触觉传感器用于压力和温度监控

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We demonstrate an 80-μm-thick film (which is around 15% of the thickness of the human epidermis), which is a highly sensitive hybrid functional gauge sensor, and was fabricated from poly(vinylidene fluoride) (PVDF) and ZnO nanostructures with graphene electrodes. Using this film, we were able to simultaneously measure pressure and temperature in real time. The pressure was monitored from the change in the electrical resistance via the piezoresistance of the material, and the temperature was inferred based on the recovery time of the signal. Our thin film system enabled us to detect changes in pressure as small as 10 Pa which is pressure detection limit was 103-fold lower than the minimum level required for artificial skin, and to detect temperatures in the range 20–120°C.
机译：我们展示了一个80μm厚的薄膜（大约是人体表皮厚度的15％），它是一种高度灵敏的混合功能仪表传感器，由聚偏二氟乙烯（PVDF）和ZnO纳米结构制成。石墨烯电极。使用该薄膜，我们能够同时实时测量压力和温度。通过材料的压阻，通过电阻的变化来监测压力，并根据信号的恢复时间推断出温度。我们的薄膜系统使我们能够检测到最小10 Pa的压力变化，这是压力检测极限比人造皮肤所需的最低水平低10 3 倍，并可以检测该范围​​内的温度20–120°C。

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