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<p>Polymer matrix-based pressure sensors show great promise in wearable technology due to their flexibility and ease of integration with fabrics and skin. However, challenges like limited dynamic range, low sensitivity, hysteresis effects, and complicated fabrication methods still hinder their full potential. Although nanofillers help to improve performance, these issues are not fully resolved. Therefore, in this study, we explore the synergistic integration of silver-decorated mixed-phase MoS<sub>2</sub> nanosheets into a polyvinylidene fluoride (PVDF) matrix to fabricate a pressure sensor with high sensitivity, mechanical resilience, and simple and scalable manufacturability. The incorporation of silver nanoparticles significantly enhances the electrical conductivity and interfacial charge transport in the MoS<sub>2</sub>–PVDF composite, resulting in improved sensitivity, rapid response, and reliable recovery characteristics. The sensor exhibits a sensitivity of 242±97 MPa<sup>−1</sup> at the lower pressure region, below 10 kPa, response and recovery time of ~ 500&#xa0;ms, outperforming pristine MoS<sub>2</sub>–PVDF sensors. Real-time plantar pressure measurement confirms the sensor’s ability to detect dynamic foot movements with high temporal resolution. These findings highlight the potential of silver-functionalized MoS<sub>2</sub>–PVDF composites for advanced wearable technologies, smart insoles, and biomechanical monitoring platforms.</p>

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A synergistic Ag–MoS2–PVDF approach to high-performance, low-cost flexible pressure sensing

  • 期刊论文

  • 发表日期：

    2026年7月12日

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  • Prakwan Dutta,
  • Priti,
  • Manoj Kumar,
  • Anirban Dutta

摘要

Polymer matrix-based pressure sensors show great promise in wearable technology due to their flexibility and ease of integration with fabrics and skin. However, challenges like limited dynamic range, low sensitivity, hysteresis effects, and complicated fabrication methods still hinder their full potential. Although nanofillers help to improve performance, these issues are not fully resolved. Therefore, in this study, we explore the synergistic integration of silver-decorated mixed-phase MoS2 nanosheets into a polyvinylidene fluoride (PVDF) matrix to fabricate a pressure sensor with high sensitivity, mechanical resilience, and simple and scalable manufacturability. The incorporation of silver nanoparticles significantly enhances the electrical conductivity and interfacial charge transport in the MoS2–PVDF composite, resulting in improved sensitivity, rapid response, and reliable recovery characteristics. The sensor exhibits a sensitivity of 242±97 MPa−1 at the lower pressure region, below 10 kPa, response and recovery time of ~ 500 ms, outperforming pristine MoS2–PVDF sensors. Real-time plantar pressure measurement confirms the sensor’s ability to detect dynamic foot movements with high temporal resolution. These findings highlight the potential of silver-functionalized MoS2–PVDF composites for advanced wearable technologies, smart insoles, and biomechanical monitoring platforms.