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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Tsikriteas, Zois Michail
University of Bath
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (4/4 displayed)
- 2024Exploring Lead-Free Materials for Screen-Printed Piezoelectric Wearable Devicescitations
- 2021Additively manufactured BaTiOcitations
- 2021Additively manufactured BaTiO3 composite scaffolds: a novel strategy for load bearing bone tissue engineering applicationscitations
- 2021Additively manufactured BaTiO3 composite scaffoldscitations
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article
Exploring Lead-Free Materials for Screen-Printed Piezoelectric Wearable Devices
Abstract
<p>The rapid advancements in wearable technology demand innovative materials that are flexible, lightweight, and environmentally sustainable. Here, we report the formulation, characterization, and application of screen-printed piezoelectric inks consisting of barium titanate (BT), barium calcium zirconate titanate (BCZT), and potassium sodium niobate (KNN) for flexible piezoelectric sensors. X-ray diffraction and scanning electron microscopy reveal high crystallinity and distinct morphologies. Rheological experiments show excellent printability; however, the BCZT-based ink reveals shear thickening behavior and a lower recovery rate of 63.5% during printing. Thermal gravimetric and Fourier transform infrared spectral analyses provide insights into the inks’ thermal and chemical stability. The screen-printed composites exhibit excellent adhesion to the substrates and consistent dielectric properties across a wide frequency range. A detailed investigation of the piezoelectric charge coefficient d<sub>33</sub> under varying poling conditions is carried out using corona discharge poling. The study provides a comprehensive understanding of the role of ceramic fillers in influencing the rheological, thermal, and piezoelectric properties of screen-printed piezoelectric inks, guiding the development of customizable flexible sensors.</p>