Browsing by Author "Gogoi, Raktim"

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    Applications of Reconstructed Nanofluidic Membrane of Layered Materials in Ionic Thermoelectricity and Moisture-Electricity-Generation
    (2024) Gogoi, Raktim
    This PhD thesis focuses on the development of innovative ionic thermoelectric (i-TE) materials and moisture-electric generators from the reconstruction of layered materials. The first study explores clay-based i-TE materials, where exfoliated and surface-functionalized lamellar clay nanosheets are fabricated. These materials exhibit improved thermoelectric properties, high-temperature stability (up to 300°C), and water-assisted healing capabilities. The devices can convert waste heat and sunlight into electricity, with enhancements made by integrating photothermal materials like carbon nanotubes and hydrogel coatings for improved performance in low-humidity environments. The second study investigates V₂O₅-based i-TE materials, where the Seebeck coefficient is significantly enhanced by intercalating poly(4-styrenesulfonic acid) (PSS) into the lamellar structure. These materials maintain thermal stability, even at high temperatures, and demonstrate strong thermoelectric behavior.