Abstract
Ba0.9Ca0.1TiO3 (BCT) ceramic was prepared via a mixed-oxide route. Its microstructural characterization was done using x-ray diffraction, Raman spectrum, and scanning electron microscopy. Furthermore, its electrical properties were studied using dielectric measurement and impedance spectroscopy. BCT was also examined for the pyroelectric effect with the pyroelectric coefficient of ∼2.4 × 10−4 C/m2 K. An open circuit voltage was obtained during a temporal temperature change on BCT. Methylene blue dye degradation was recorded due to pyrocatalytic reactions in 120 heating/cooling cycles. The results show that pyrocatalysis could be an effective solution for the utilization of pyroelectric energy for water cleaning applications.
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