【摘 要】
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With the increasing demand for smart wearable clothing,the textile piezoelectric pressure sensor (T-PEPS) that can harvest mechanical energy directly has attracted significant attention.However,the current challenge of T-PEPS lies in remaining the outstan
【机 构】
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Key Laboratory of Eco-Textile,Ministry of Education,College of Textile Science and Engineering,Jiang
论文部分内容阅读
With the increasing demand for smart wearable clothing,the textile piezoelectric pressure sensor (T-PEPS) that can harvest mechanical energy directly has attracted significant attention.However,the current challenge of T-PEPS lies in remaining the outstanding output performance without compromising its wearing comfort.Here,a novel structural hierarchy T-PEPS based on the single-crystalline ZnO nanorods are designed.The T-PEPS is constructed with three layers mode consisting of a polyvinylidene fluoride (PVDF) membrane,the top and bottom layers of conductive rGO polyester (PET) fabrics with self-orientation ZnO nanorods.As a result,the as-fabricated T-PEPS shows low detection limit up to 8.71 Pa,high output voltage to 11.47 V and superior mechanical stability.The sensitivity of the sensor is 0.62 V·kPa-1 in the pressure range of 0-2.25 kPa.Meanwhile,the T-PEPS is employed to detect human movements such as bending/relaxation motion of the wrist,bending/stretching motion of each finger.It is demonstrated that the T-PEPS can be up-scaled to promote the application of wearable sensor platforms and self-powered devices.
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