Flexible Piezoelectric Sensors Based on Electrostatically Spun PAN/K-BTO Composite Films for Human Health and Motion Detection

IF 4.4 2区化学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Applied Polymer Materials Pub Date : 2025-05-01 DOI:10.1021/acsapm.4c0409110.1021/acsapm.4c04091

Zena Zhou, Yexiong Qi*, Tianyong Zheng, Ting-Ting Li and Jia-Horng Lin,

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引用次数: 0

Abstract

Flexible piezoelectric sensors made of composite nanofiber materials have gained wide acceptance due to their suitability for wearable electronics, human health monitoring, and motion tracking. Enhancing the piezoelectric characteristics of these nanofibers holds significant promise for creating advanced, flexible, wearable sensors. In this article, KH550-modified barium titanate (K-BTO) was successfully dispersed uniformly in polyacrylonitrile (PAN) nanofibers to form a composite nanofiber membrane fabricated through electrostatic spinning techniques. The piezoelectric performance of the PAN/K-BTO composite membrane exhibited notable improvements compared to the pure PAN membrane, reaching an output voltage of up to 12.33 V and a current of 4.93 μA while exhibiting excellent sensitivity (1.63 V/N). In addition, potential applications of the PAN/K-BTO membrane as a flexible wearable sensor were systematically investigated. Sensors were systematically investigated for their potential applications, and their superior flexibility, sensitivity, and stability could be applied to monitor human movement. This research offers an innovative strategy for the application of electrostatically spun nanofibers in flexible smart sensors.

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基于静电纺PAN/K-BTO复合薄膜的人体健康和运动检测柔性压电传感器

由复合纳米纤维材料制成的柔性压电传感器因其适用于可穿戴电子产品、人体健康监测和运动跟踪而得到广泛接受。增强这些纳米纤维的压电特性对于制造先进的、灵活的、可穿戴的传感器具有重要的前景。本文成功地将kh550改性钛酸钡（K-BTO）均匀分散在聚丙烯腈（PAN）纳米纤维中，通过静电纺丝技术制备了复合纳米纤维膜。与纯PAN膜相比，PAN/K-BTO复合膜的压电性能得到了显著改善，输出电压高达12.33 V，电流为4.93 μA，灵敏度为1.63 V/N。此外，还对PAN/K-BTO薄膜作为柔性可穿戴传感器的潜在应用进行了系统的研究。系统地研究了传感器的潜在应用，发现其优越的灵活性、灵敏度和稳定性可用于监测人体运动。本研究为静电纺纳米纤维在柔性智能传感器中的应用提供了一种创新策略。

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来源期刊

ACS Applied Polymer Materials Multiple-

CiteScore

7.20

自引率

6.00%

发文量

810

期刊介绍： ACS Applied Polymer Materials is an interdisciplinary journal publishing original research covering all aspects of engineering, chemistry, physics, and biology relevant to applications of polymers. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates fundamental knowledge in the areas of materials, engineering, physics, bioscience, polymer science and chemistry into important polymer applications. The journal is specifically interested in work that addresses relationships among structure, processing, morphology, chemistry, properties, and function as well as work that provide insights into mechanisms critical to the performance of the polymer for applications.