R. Nathiya,
Deobarat Kumar Chandan,
S. Duraisivam,
K.Kannan,
J. B Veeramalini,
B. Parvathi Sangeetha,
Ashok Kumar Chaudhary,
Jayarama Pradeep,
Rajendiran M,
- Associate Professor, Department of Electronics and Communication Engineering, School of Engineering and Technology, Dhanalakshmi Srinivasan University, Trichy, Tamil Nadu, India
- Assistant Professor, Department of Electrical and Electronics Engineering, Motihari College of Engineering, Motihari, Bihar, India
- Assistant Professor, Department of Mechanical Engineering, The Kavery Engineering College, Salem, Tamil Nadu, India
- Associate Professor, Department of Electronics and Communication Engineering, RMK College of Engineering and Technology, Puduvoyal, Chennai, Tamil Nadu, India
- Professor, Department of Chemical Engineering, Vel Tech High Tech Dr. Rangarajan Dr. Sakunthala Engineering College, Chennai, Tamil Nadu, India
- Associate Professor, Department of Marine Engineering, Amet University, Kanathur, Tamil Nadu, India
- Assistant Professor, Department of Electrical and Electronics Engineering, Nalanda College of Engineering, Chandi, Bihar, India
- Professor, Department of Electrical and Electronics Engineering, St. Joseph’s College of Engineering, Chennai, Tamil Nadu, India
- Professor, Department of Computer Science and Engineering, Panimalar Engineering College, Chennai, Tamil Nadu, India
Abstract
Self-powered sensing systems are emerging as a promising solution for next-generation distributed Internet of Things (IoT) platforms, where lightweight, flexible, and low-maintenance devices are required for continuous monitoring. In this work, a self-powered piezoelectric nano-polymer network based on poly-vinylidene fluoride (PVDF) reinforced with BaTiO₃ nanoparticles and multiwalled carbon nanotubes (MWCNTs) was developed for flexible wireless sensing applications. The composite was designed to combine mechanical flexibility, enhanced piezoelectric response, and real-time wireless data transmission within a single material platform. The fabricated nanocomposite film was prepared through solution casting, electrical poling, and electrode integration, followed by coupling with an ESP32 wireless node for IoT-based signal acquisition. Structural and electromechanical evaluation showed that the optimized PVDF/ BaTiO₃ / MWCNT network generated a stable open-circuit voltage of up to 8.9 V under applied mechanical loading and retained nearly 90% of its initial output after 1000 bending cycles, demonstrating good durability and flexibility. The output voltage also increased with actuation frequency, reaching 9.6 V at 5 Hz, confirming reliable dynamic sensing performance. Wireless monitoring experiments further verified that the generated voltage signals could be successfully transmitted in real time to a remote interface. Overall, the developed piezoelectric nano-polymer network provides an effective route toward flexible, self-powered, and wireless IoT sensor platforms for structural, wearable, and environmental monitoring applications
Keywords: Nano-polymer, multiwalled carbon nanotubes, electromechanical evaluation, poly-vinylidene fluoride, piezoelectric response
[This article belongs to Journal of Polymer & Composites ]
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Journal of Polymer & Composites
| Volume | 14 | |
| Issue | 05 | |
| Received | 25/07/2026 | |
| Accepted | 08/08/2026 | |
| Published | 14/08/2026 | |
| Publication Time | 20 Days |