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Enhancement of Thermoelectric Properties of Layered Chalcogenide Materials

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submitted on 2023-03-15, 11:50 and posted on 2023-07-12, 09:41 authored by Manal M. Alsalama, Hicham Hamoudi, Ahmed Abdala, Zafar K. Ghouri, Khaled M. Youssef

Thermoelectric materials have long been proven to be effective in converting heat energy into electricity and vice versa. Since semiconductors have been used in the thermoelectric field, much work has been done to improve their efficiency. The interrelation between their thermoelectric physical parameters (Seebeck coefficient, electrical conductivity, and thermal conductivity) required special tailoring in order to get the maximum improvement in their performance. Various approaches have been reported in the research for developing thermoelectric performance, including doping and alloying, nanostructuring, and nanocompositing. Among different types of thermoelectric materials, layered chalcogenide materials are unique materials with distinctive properties. They have low self-thermal conductivity, and their layered structure allows them to be modified easily to improve their thermoelectric performance. In this review, basic knowledge of thermoelectric concepts and challenges for enhancing the figure of merit is provided. It discusses briefly different groups of layered chalcogenide thermoelectric materials with their structure and thermoelectric properties. It also reports different approaches in the literature for improving their performance and the recent progress done in this field. It highlights graphene as a promising nano additive to layered chalcogenide materials’ matrix and shows its effect on enhancing their figure of merit.     

Other information

Published in: Reviews on Advanced Materials Science
License: https://creativecommons.org/licenses/by-nc-nd/4.0
See article on publisher's website: http://dx.doi.org/10.1515/rams-2020-0023

History

Language

  • English

Publisher

DeGruyter

Publication Year

  • 2020

Institution affiliated with

  • Hamad Bin Khalifa University
  • Qatar Environment and Energy Research Institute
  • Texas A&M University at Qatar
  • Qatar University

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