Graphene Oxide-Assisted Optimization of Ba2.4Bi0.3Ni0.3Co4O9 Nanoceramics: Effect of Seebeck Coefficient and Thermal Conductivity
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https://doi.org/10.5281/zenodo.17419197Anahtar Kelimeler:
Electrospinning, graphene oxide, nanoceramics, Seebeck coefficient, thermal conductivityÖzet
This study focuses on the synthesis and characterization of nanoceramic thermoelectric materials, specifically Ba2.4Bi0.3Ni0.3Co4O9, using the electrospinning method with and without the addition of graphene oxide. The increasing demand for efficient energy conversion technologies has led to significant interest in thermoelectric systems that can convert waste heat into electrical energy via the Seebeck effect. The incorporation of graphene oxide was found to enhance the thermoelectric properties of the materials, as evidenced by measurements of the Seebeck coefficient, thermal conductivity via PPMS, and structural analysis through FTIR, SEM, and XRD techniques. The results indicated that while the addition of graphene oxide did not alter the fundamental chemical structure of the Ba2.4Bi0.3Ni0.3Co4O9 matrix, it significantly influenced the morphology and aggregation of nanoparticles, leading to improved thermoelectric performance. Notably, the Seebeck coefficient showed a marked increase in the graphene oxide-doped samples compared to the undoped ones, particularly at elevated temperatures. These findings underscore the potential of graphene oxide as an effective additive for optimizing the thermoelectric properties of Ba2.4Bi0.3Ni0.3Co4O9 materials, paving the way for advancements in thermoelectric energy conversion technologies.
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Telif Hakkı (c) 2025 Euroasia Matematik, Mühendislik, Doğa ve Tıp Bilimleri Dergisi Medical Sciences
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