Thermoelectric properties of sulfide and selenide-based materials

Theja, V. C. S., Karthikeyan, V. , Musah, J.-D., Wu, C.-M. L. and Roy, V. A. L. (2022) Thermoelectric properties of sulfide and selenide-based materials. In: Dalapati, G. K., Wong, T. K. S., Kundu, S., Chakraborty, A. K. and Zhuk, S. (eds.) Sulfide and Selenide Based Materials for Emerging Applications: Sustainable Energy Harvesting and Storage Technology. Elsevier, pp. 293-328. ISBN 9780323998604 (doi: 10.1016/B978-0-323-99860-4.00009-5)

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Research into thermoelectricity is rapidly moving toward attaining higher power conversion efficiency using eco-friendly materials. In recent years, metal sulfide and selenides are established as potential thermoelectric materials to replace traditional tellurium-based materials with the advantage of facile material processing and excellent tunable band structure. These compounds complex crystal structure, native defects, and low covalent nature contribute to high power factor and ultralow lattice thermal conductivity. However, structural optimization needed to attain perfect phonon-glass electron-crystal behavior remains a significant challenge. This chapter discusses the recent developments of metal sulfide and selenide-based thermoelectric materials through nanoengineering, defect engineering, and structural engineering to improve thermoelectric efficiency. This chapter also provides a clear insight into the optimization strategies and their impact on enhancing the figure-of-merit of sulfide and selenide-based materials.

Item Type:Book Sections
Keywords:Carrier scattering, Chalcogenides, Figure-of-merit, Phonon engineering, Selenides, Sulfides, Thermal conductivity, Thermoelectric materials
Glasgow Author(s) Enlighten ID:Karthikeyan, Dr Vaithinathan and Vellaisamy, Professor Roy
Authors: Theja, V. C. S., Karthikeyan, V., Musah, J.-D., Wu, C.-M. L., and Roy, V. A. L.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Sulfide and Selenide Based Materials for Emerging Applications
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