Abstract
A flexible polymer nano-composite thin film patch for wearable temperature sensors was fabricated, which presents excellent energy storage and temperature indication properties. In this composite patch, conductive silver (Ag) nanoparticles (NPs) were used as functional fillers while polyvinyl alcohol (PVA) used as polymer material. The effects of Ag NPs concentration on morphology and temperature indication were experimentally investigated using a field-emission scanning electron microscope (FE-SEM), thermogravimetric analyser (TGA) and differential thermal analysis (DTA). The findings showed that Ag was uniformly distributed across matrix membranes. Also, the prepared PVA-Ag nanocomposite thin film patch showed improved mechanical properties and conductivity. The consequence of X-Ray Diffraction (XRD) displayed a semi-crystalline nature. The results show the potential for incorporating subordinate AgNP concentrations as a substitute to enhance performance in terms of mechanical, thermal, and antibacterial qualities without treatment. The electrical properties were studied through the current-voltage(I–V) characteristics showing the linear I–V ohmic contact and low contact resistance. With heat storage and temperature regulation capabilities, a flexible polymer nano-composite patch for a wearable temperature sensor was created and has significant promise for use in the future in energy storage, thermal management, and wearable temperature sensors.
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