Significantly enhanced thermoelectric properties of p-type Mg3Sb2 via co-doping of Na and Zn
Sign Up to like & getrecommendations! Published in 2018 at "Acta Materialia"
DOI: 10.1016/j.actamat.2017.10.015
Abstract: Abstract The effects of co-doping Na and Zn into thermoelectric Mg3Sb2 were investigated. Na was found to be a very effective hole dopant in our previous study. However, the lattice thermal conductivity noticeably increases limiting… read more here.
Keywords: thermoelectric properties; mg3sb2; enhanced thermoelectric; type mg3sb2 ... See more keywords
Realizing Cd and Ag codoping in p-type Mg3Sb2 toward high thermoelectric performance
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Magnesium and Alloys"
DOI: 10.1016/j.jma.2021.09.012
Abstract: Abstract Mg3Sb2 has attracted intensive attention as a typical Zintl-type thermoelectric material. Despite the exceptional thermoelectric performance in n-type Mg3Sb2, the dimensionless figure of merit (zT) of p-type Mg3Sb2 remains lower than 1, which is… read more here.
Keywords: type mg3sb2; realizing codoping; thermoelectric performance; mg3sb2 ... See more keywords
Scalable synthesis of n-type Mg3Sb2-xBix for thermoelectric applications
Sign Up to like & getrecommendations! Published in 2020 at "Materials Today Physics"
DOI: 10.1016/j.mtphys.2020.100336
Abstract: Abstract The highly efficient n-type Mg3Sb2-xBix thermoelectric materials hold great promise for application in power generation as well as refrigeration. Currently, n-type Mg3Sb2-xBix compounds with high zTs can be easily reproduced on a laboratory scale… read more here.
Keywords: type mg3sb2; mg3sb2 xbix; mg3sb2; xbix thermoelectric ... See more keywords
Improved Thermoelectric Properties of N-Type Mg3Sb2 through Cation-Site Doping with Gd or Ho.
Sign Up to like & getrecommendations! Published in 2021 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.0c22558
Abstract: The success of n-type doping has attracted strong research interest for exploring effective n-type dopants for Mg3Sb2 thermoelectrics. Herein, we experimentally study Gd and Ho as n-type dopants for Mg3Sb2 thermoelectrics. The synthesis, structural characterization,… read more here.
Keywords: thermoelectric properties; site doping; type mg3sb2; site ... See more keywords
Insight into the Strategies for Improving the Thermal Stability of Efficient N-Type Mg3Sb2-Based Thermoelectric Materials.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c07457
Abstract: N-type Mg3(Sb,Bi)2 compounds have recently been demonstrated as promising low-cost efficient thermoelectric materials in low and intermediate temperature ranges; however, the thermal stability of this type of material still poses a great challenge for practical… read more here.
Keywords: thermoelectric materials; thermal stability; type mg3sb2; based thermoelectric ... See more keywords
Defect Engineering for Realizing High Thermoelectric Performance in n-Type Mg3Sb2-Based Materials
Sign Up to like & getrecommendations! Published in 2017 at "ACS energy letters"
DOI: 10.1021/acsenergylett.7b00742
Abstract: Point defects, which scatter electronic carriers as well as phonons, play a vital role in the transport properties of thermoelectric materials. Therefore, defect engineering can be utilized for tuning thermoelectric properties. Mg vacancies, as the… read more here.
Keywords: type mg3sb2; defect engineering; mg3sb2 based; thermoelectric performance ... See more keywords
Large improvement in thermoelectric performance of pressure-tuned Mg3Sb2
Sign Up to like & getrecommendations! Published in 2021 at "RSC Advances"
DOI: 10.1039/d1ra08930g
Abstract: The Mg3Sb2-based Zintl compound is a promising candidate for a high-performance thermoelectric material with the advantage of the component elements being low cost, non-toxic and earth-abundant. Here, we investigate the influence of pressure on the… read more here.
Keywords: performance; type mg3sb2; thermoelectric performance; pressure ... See more keywords
Electronic Orbital Alignment and Hierarchical Phonon Scattering Enabling High Thermoelectric Performance p-Type Mg3Sb2 Zintl Compounds
Sign Up to like & getrecommendations! Published in 2022 at "Research"
DOI: 10.34133/2022/9842949
Abstract: Environmentally friendly Mg3Sb2-based materials have drawn intensive attention owing to their promising thermoelectric performance. In this work, the electrical properties of p-type Mg3Sb2 are dramatically optimized by the regulation of Mg deficiency. Then, we, for… read more here.
Keywords: mg3sb2; type mg3sb2; phonon; thermoelectric performance ... See more keywords