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Title: Thermoelectric Properties of n-type ZrNiPb-Based Half-Heuslers

Journal Article · · Chemistry of Materials

Here we investigate the half-Heusler ZrNiPb as a n-type thermoelectric material. Our results show that the n-type ZrNiPb-based materials can achieve high peak power factors, ~50 μW cm–1 K–2, by optimally tuning the carrier concentration via Bi doping. By further Sn-alloying in Pb site, we achieve a significant reduction of lattice thermal conductivity while maintaining the power factor almost unchanged and hence noticeably improve the ZT. Our work demonstrates that n-type ZrNiPb-based half-Heuslers are promising thermoelectric materials.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Solid-State Solar-Thermal Energy Conversion Center (S3TEC)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0001299; FG02-09ER46577
OSTI ID:
1388433
Journal Information:
Chemistry of Materials, Vol. 29, Issue 2; Related Information: S3TEC partners with Massachusetts Institute of Technology (lead); Boston College; Oak Ridge National Laboratory; Rensselaer Polytechnic Institute; ISSN 0897-4756
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 51 works
Citation information provided by
Web of Science

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Ultrahigh Power Factor in Thermoelectric System Nb 0.95 M 0.05 FeSb (M = Hf, Zr, and Ti) journal May 2018
Band Structures and Transport Properties of High-Performance Half-Heusler Thermoelectric Materials by First Principles journal May 2018
Recent advances in non-Pb-based group-IV chalcogenides for environmentally-friendly thermoelectric materials journal April 2018
Electronic fitness function for screening semiconductors as thermoelectric materials journal November 2017
Ab Initio Study of Electronic, Magnetic, and Thermoelectric Response of ZTi2O4 (Z = Mg, Zn, and Cd) Through mBJ Potential journal March 2018
Shallow impurity band in ZrNiSn journal January 2020
Thermoelectric power generation: from new materials to devices
  • Tan, Gangjian; Ohta, Michihiro; Kanatzidis, Mercouri G.
  • Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 377, Issue 2152 https://doi.org/10.1098/rsta.2018.0450
journal July 2019
Tuning the carrier scattering mechanism to effectively improve the thermoelectric properties journal January 2017
Large reduction of thermal conductivity leading to enhanced thermoelectric performance in p-type Mg 3 Bi 2 –YbMg 2 Bi 2 solid solutions journal January 2019
Advances in thermoelectrics journal April 2018
Manipulation of Ni Interstitials for Realizing Large Power Factor in TiNiSn‐Based Materials journal May 2019
Discovery of TaFeSb-based half-Heuslers with high thermoelectric performance journal January 2019
Unusual consequences of donor and acceptor doping on the thermoelectric properties of the MgAg 0.97 Sb 0.99 alloy journal January 2018
High performance p-type half-Heusler thermoelectric materials journal February 2018
Manipulation of ionized impurity scattering for achieving high thermoelectric performance in n-type Mg 3 Sb 2 -based materials journal September 2017
Shallow impurity band in ZrNiSn text January 2019