What does this research mean for the field?

Wet-spun Ag/PZT/TPU composite piezoelectric fibers with high loading (>80 wt%) achieve ultrahigh flexibility and sensitivity, enabling their use as wearable self-powered sensors. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The aim is to develop flexible and sensitive piezoelectric fibers using a composite material for wearable sensors.

March 18, 2026Open Access

Wet-spun Ag/PZT/TPU composite piezoelectric fibers with ultrahigh flexibility: fabrication, performance, and sensing response

Key Points

The aim is to develop flexible and sensitive piezoelectric fibers using a composite material for wearable sensors.
Interfacial modification of PZT
In situ reduction of silver nanoparticles (AgNPs)
Wet spinning method for fiber fabrication
High loading of thermoplastic polyurethane (TPU)
Fibers achieved over 80 wt% TPU loading
Demonstrated ultrahigh flexibility
Showcased enhanced sensitivity suitable for wearable sensors

Abstract

Through interfacial modification of PZT and in situ reduction of AgNPs, high-loading (>80 wt%) TPU piezoelectric fibers are fabricated via wet spinning. Ultrahigh flexibility and sensitivity make the fibers ideal for wearable self-powered sensors.

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