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A Wearable Breathable Pressure Sensor from Metal-Organic Framework Derived Nanocomposites for Highly Sensitive Broad-Range Healthcare Monitoring
Nano Energy ( IF 16.8 ) Pub Date : 2020-02-03 , DOI: 10.1016/j.nanoen.2020.104560
Yonggang Wang , Mingyuan Chao , Pengbo Wan , Liqun Zhang

Flexible, wearable and breathable pressure sensors have received tremendous interest for various potential applications in wearable electronic skins, intelligent robotics, healthcare biomonitoring, and artificial intelligence. However, it remains a critical challenge to simultaneously achieve high sensitivity, broad sensing range, excellent mechanical stability, fast response/recovery, and reliable breathability for long-term wearing for ultrasensitive comfortable full-scale biomonitoring. Herein, we present a wearable, highly sensitive, broad-range and breathable pressure sensor by sandwiching the interconnected nanocomposites of carbonized metal-organic framework (C-MOF) and polyaniline nanofiber (PANIF) on polyurethane (PU) sponge (C-MOF/[email protected]) between a breathable fabric and an interdigitated electrode-coated fabric. The assembled sensor exhibits a broad sensing range (up to 60 kPa), high sensitivity (158.26 kPa−1), fast response/recovery time (22 ms/20 ms), reliable breathability, wireless biomonitoring, and an excellent repeatability over 15000 cycles. It can be assembled as smart artificial electronic skins (E-skins) for mapping tactile stimuli. This work paves the way for the design of wearable, breathable, highly sensitive and broad-range pressure sensor with potential versatile applications in next-generation artificial skins, personal healthcare monitoring, clinical diagnosis, and human-machine interactions.



中文翻译:

由金属有机框架衍生的纳米复合材料的可穿戴呼吸压力传感器,用于高灵敏度的广泛医疗保健监测

柔性,可穿戴和可呼吸的压力传感器对于可穿戴电子皮肤,智能机器人技术,医疗生物监测和人工智能等各种潜在应用引起了极大的兴趣。然而,同时实现高灵敏度,宽广的传感范围,出色的机械稳定性,快速响应/恢复以及可靠的透气性(对于长期佩戴以实现超灵敏舒适的全面生物监测)仍然是一项严峻的挑战。在这里,我们通过将碳化金属有机骨架(C-MOF)和聚苯胺纳米纤维(PANIF)的互连纳米复合材料夹在聚氨酯(PU)海绵(C-MOF /上)上,提出了一种可穿戴,高度灵敏,宽范围和透气的压力传感器[电子邮件保护])在透气织物和指状电极涂层织物之间。-1),快速的响应/恢复时间(22 ms / 20 ms),可靠的透气性,无线生物监测以及在15000个周期内的出色重复性。可以将其组装为智能人造电子皮肤(E-skin),以绘制触觉刺激图。这项工作为可穿戴,透气,高灵敏度和大范围压力传感器的设计铺平了道路,在下一代人造皮肤,个人医疗保健监测,临床诊断和人机交互方面具有潜在的多功能应用。

更新日期:2020-02-03
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