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Jang H, Jung YS, Oh MW. Advances in thermoelectric AgBiSe 2: Properties, strategies, and future challenges. Heliyon 2023; 9:e21117. [PMID: 37928035 PMCID: PMC10623285 DOI: 10.1016/j.heliyon.2023.e21117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 10/04/2023] [Accepted: 10/16/2023] [Indexed: 11/07/2023] Open
Abstract
Thermoelectric materials are attracting considerable attention to alleviate the global energy crisis by enabling the direct conversion of heat into electricity. As a class of I-V-VI2 semiconductors, AgBiSe2 is expected to be the potential thermoelectric material to replace conventional PbTe-based compounds due to its non-toxic and abundant nature of its constituent elements. This review article summarizes the fundamental properties of AgBiSe2, thermoelectric properties, the effect of different dopants on its transport properties and entropy engineering for cubic phase stabilization with the detailed description of related techniques used to analyze the properties of AgBiSe2. The current thermoelectric figure-of-merit and approaches to further improve performance and operational stability are also discussed.
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Affiliation(s)
- Hanhwi Jang
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Yeon Sik Jung
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Min-Wook Oh
- Department of Materials Science and Engineering, Hanbat National University, Yuseong-gu, Daejeon, 34158, Republic of Korea
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Tee SY, Ponsford D, Lay CL, Wang X, Wang X, Neo DCJ, Wu T, Thitsartarn W, Yeo JCC, Guan G, Lee T, Han M. Thermoelectric Silver-Based Chalcogenides. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2204624. [PMID: 36285805 PMCID: PMC9799025 DOI: 10.1002/advs.202204624] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/26/2022] [Indexed: 05/27/2023]
Abstract
Heat is abundantly available from various sources including solar irradiation, geothermal energy, industrial processes, automobile exhausts, and from the human body and other living beings. However, these heat sources are often overlooked despite their abundance, and their potential applications remain underdeveloped. In recent years, important progress has been made in the development of high-performance thermoelectric materials, which have been extensively studied at medium and high temperatures, but less so at near room temperature. Silver-based chalcogenides have gained much attention as near room temperature thermoelectric materials, and they are anticipated to catalyze tremendous growth in energy harvesting for advancing internet of things appliances, self-powered wearable medical systems, and self-powered wearable intelligent devices. This review encompasses the recent advancements of thermoelectric silver-based chalcogenides including binary and multinary compounds, as well as their hybrids and composites. Emphasis is placed on strategic approaches which improve the value of the figure of merit for better thermoelectric performance at near room temperature via engineering material size, shape, composition, bandgap, etc. This review also describes the potential of thermoelectric materials for applications including self-powering wearable devices created by different approaches. Lastly, the underlying challenges and perspectives on the future development of thermoelectric materials are discussed.
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Affiliation(s)
- Si Yin Tee
- Institute of Materials Research and EngineeringSingapore138634Singapore
| | - Daniel Ponsford
- Institute of Materials Research and EngineeringSingapore138634Singapore
- Department of ChemistryUniversity College LondonLondonWC1H 0AJUK
- Institute for Materials DiscoveryUniversity College LondonLondonWC1E 7JEUK
| | - Chee Leng Lay
- Institute of Materials Research and EngineeringSingapore138634Singapore
| | - Xiaobai Wang
- Institute of Materials Research and EngineeringSingapore138634Singapore
| | - Xizu Wang
- Institute of Materials Research and EngineeringSingapore138634Singapore
| | | | - Tianze Wu
- Institute of Sustainability for ChemicalsEnergy and EnvironmentSingapore627833Singapore
| | | | | | - Guijian Guan
- Institute of Molecular PlusTianjin UniversityTianjin300072China
| | - Tung‐Chun Lee
- Institute of Materials Research and EngineeringSingapore138634Singapore
- Department of ChemistryUniversity College LondonLondonWC1H 0AJUK
- Institute for Materials DiscoveryUniversity College LondonLondonWC1E 7JEUK
| | - Ming‐Yong Han
- Institute of Materials Research and EngineeringSingapore138634Singapore
- Institute of Molecular PlusTianjin UniversityTianjin300072China
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Jang H, Toriyama MY, Abbey S, Frimpong B, Male JP, Snyder GJ, Jung YS, Oh MW. Suppressing Charged Cation Antisites via Se Vapor Annealing Enables p-Type Dopability in AgBiSe 2 -SnSe Thermoelectrics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2204132. [PMID: 35944565 DOI: 10.1002/adma.202204132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 07/02/2022] [Indexed: 06/15/2023]
Abstract
Cation disordering is commonly found in multinary cubic compounds, but its effect on electronic properties has been neglected because of difficulties in determining the ordered structure and defect energetics. An absence of rational understanding of the point defects present has led to poor reproducibility and uncontrolled conduction type. AgBiSe2 is a representative compound that suffers from poor reproducibility of thermoelectric properties, while the origins of its intrinsic n-type conductivity remain speculative. Here, it is demonstrated that cation disordering is facilitated by BiAg charged antisite defects in cubic AgBiSe2 which also act as a principal donor defect that greatly controls the electronic properties. Using density functional theory calculations and in situ Raman spectroscopy, how saturation annealing with selenium vapor can stabilize p-type conductivity in cubic AgBiSe2 alloyed with SnSe at high temperatures is elucidated. With stable and controlled hole concentration, a peak is observed in the weighted mobility and the density-of-states effective mass in AgBiSnSe3 , implying an increased valley degeneracy in this system. These findings corroborate the importance of considering the defect energetics for exploring the dopability of ternary thermoelectric chalcogenides and engineering electronic bands by controlling self-doping.
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Affiliation(s)
- Hanhwi Jang
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Michael Y Toriyama
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Stanley Abbey
- Department of Materials Science and Engineering, Hanbat National University, Yuseong-gu, Daejeon, 34158, Republic of Korea
| | - Brakowaa Frimpong
- Department of Materials Science and Engineering, Hanbat National University, Yuseong-gu, Daejeon, 34158, Republic of Korea
| | - James P Male
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - G Jeffrey Snyder
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Yeon Sik Jung
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Min-Wook Oh
- Department of Materials Science and Engineering, Hanbat National University, Yuseong-gu, Daejeon, 34158, Republic of Korea
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Ghosh T, Dutta M, Sarkar D, Biswas K. Insights into Low Thermal Conductivity in Inorganic Materials for Thermoelectrics. J Am Chem Soc 2022; 144:10099-10118. [PMID: 35652915 DOI: 10.1021/jacs.2c02017] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Efficient manipulation of thermal conductivity and fundamental understanding of the microscopic mechanisms of phonon scattering in crystalline solids are crucial to achieve high thermoelectric performance. Thermoelectric energy conversion directly and reversibly converts between heat and electricity and is a promising renewable technology to generate electricity by recovering waste heat and improve solid-state refrigeration. However, a unique challenge in thermal transport needs to be addressed to achieve high thermoelectric performance: the requirement of crystalline materials with ultralow lattice thermal conductivity (κL). A plethora of strategies have been developed to lower κL in crystalline solids by means of nanostructural modifications, introduction of intrinsic or extrinsic phonon scattering centers with tailored shape and dimension, and manipulation of defects and disorder. Recently, intrinsic local lattice distortion and lattice anharmonicity originating from various mechanisms such as rattling, bonding heterogeneity, and ferroelectric instability have found popularity. In this Perspective, we outline the role of manipulation of chemical bonding and structural chemistry on thermal transport in various high-performance thermoelectric materials. We first briefly outline the fundamental aspects of κL and discuss the current status of the popular phonon scattering mechanisms in brief. Then we discuss emerging new ideas with examples of crystal structure and lattice dynamics in exemplary materials. Finally, we present an outlook for focus areas of experimental and theoretical challenges, possible new directions, and integrations of novel techniques to achieve low κL in order to realize high-performance thermoelectric materials.
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Affiliation(s)
- Tanmoy Ghosh
- New Chemistry Unit, International Centre for Materials Science, and School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064, India
| | - Moinak Dutta
- New Chemistry Unit, International Centre for Materials Science, and School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064, India
| | - Debattam Sarkar
- New Chemistry Unit, International Centre for Materials Science, and School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064, India
| | - Kanishka Biswas
- New Chemistry Unit, International Centre for Materials Science, and School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064, India
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Li WJ, Gu WH, Guo J, Zhang YX, Feng J, Shan Q, Ge ZH. Effects of different LaCl3 doping processes on the thermoelectric properties of SnSe bulk materials. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Chandra S, Dutta P, Biswas K. High-Performance Thermoelectrics Based on Solution-Grown SnSe Nanostructures. ACS NANO 2022; 16:7-14. [PMID: 34919391 DOI: 10.1021/acsnano.1c10584] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Two-dimensional layered tin selenide (SnSe) has attracted immense interest in thermoelectrics due to its ultralow lattice thermal conductivity and high thermoelectric performance. To date, the majority of thermoelectric studies of SnSe have been based on single crystals. However, because synthesizing SnSe single crystals is an expensive, time-consuming process that requires high temperatures and because SnSe single crystals have relatively weaker mechanical stability, they are not favorable for scaling up synthesis, commercialization, or practical applications. As a result, research on nanocrystalline SnSe that can be produced in large quantities by simple and low-temperature solution-phase synthesis is needed. In this Perspective, we discuss the progress in thermoelectric properties of SnSe with a particular emphasis on nanocrystalline SnSe, which is grown in solution. We first describe the state-of-the-art high-performance single crystal and polycrystals of SnSe and their importance and drawbacks and discuss how nanocrystalline SnSe can solve some of these challenges. We illustrate different solution-phase synthesis procedures to produce various SnSe nanostructures and discuss their thermoelectric properties. We also highlight a unique solution-phase synthesis technique to prepare CdSe-coated SnSe nanocomposites and its unprecedented thermoelectric figure of merit (ZT) of 2.2 at 786 K, as reported in this issue of ACS Nano. In general, solution synthesis showed excellent control over nanoscale grain growth, and nanocrystalline SnSe shows ultralow thermal conductivity due to strong phonon scattering by the nanoscale grain boundaries. Finally, we offer insight into the opportunities and challenges associated with nanocrystalline SnSe synthesized by the solution route and its future in thermoelectric energy conversion.
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Affiliation(s)
- Sushmita Chandra
- New Chemistry Unit, School of Advanced Materials and International Centre for Materials Science, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064, India
| | - Prabir Dutta
- New Chemistry Unit, School of Advanced Materials and International Centre for Materials Science, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064, India
| | - Kanishka Biswas
- New Chemistry Unit, School of Advanced Materials and International Centre for Materials Science, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore 560064, India
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