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Title: Defect engineering in thermoelectric materials: what have we learned?
Authors: Zheng, Yun
Slade, Tyler J.
Hu, Lei
Tan, Xian Yi
Luo, Yubo
Luo, Zhong-Zhen
Xu, Jianwei
Yan, Qingyu
Kanatzidis, Mercouri G.
Keywords: Engineering::Materials::Energy materials
Issue Date: 2021
Source: Zheng, Y., Slade, T. J., Hu, L., Tan, X. Y., Luo, Y., Luo, Z., Xu, J., Yan, Q. & Kanatzidis, M. G. (2021). Defect engineering in thermoelectric materials: what have we learned?. Chemical Society Reviews, 50(16), 9022-9054.
Project: 1527200019 
Journal: Chemical Society Reviews 
Abstract: Thermoelectric energy conversion is an all solid-state technology that relies on exceptional semiconductor materials that are generally optimized through sophisticated strategies involving the engineering of defects in their structure. In this review, we summarize the recent advances of defect engineering to improve the thermoelectric (TE) performance and mechanical properties of inorganic materials. First, we introduce the various types of defects categorized by dimensionality, i.e. point defects (vacancies, interstitials, and antisites), dislocations, planar defects (twin boundaries, stacking faults and grain boundaries), and volume defects (precipitation and voids). Next, we discuss the advanced methods for characterizing defects in TE materials. Subsequently, we elaborate on the influences of defect engineering on the electrical and thermal transport properties as well as mechanical performance of TE materials. In the end, we discuss the outlook for the future development of defect engineering to further advance the TE field.
ISSN: 0306-0012
DOI: 10.1039/D1CS00347J
Schools: School of Materials Science and Engineering 
Rights: © 2021 The Royal Society of Chemistry. All rights reserved. This paper was published in Chemical Society Reviews and is made available with permission of The Royal Society of Chemistry.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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