Regulating thermoelectric properties of Eu0.5Ca0.5Zn2Sb2 through Mg dopant

Snyder, 2021, Distributed and localized cooling with thermoelectrics, Joule, 5, 748, 10.1016/j.joule.2021.02.011 Mao, 2021, Thermoelectric cooling materials, Nat. Mater., 20, 454, 10.1038/s41563-020-00852-w Su, 2022, High thermoelectric performance realized through manipulating layered phonon-electron decoupling, Science, 375, 1385, 10.1126/science.abn8997 2017 Snyder, 2008, Complex thermoelectric materials, Nat. Mater., 7, 105, 10.1038/nmat2090 Hong, 2022, Enhanced thermoelectric performance in SnTe due to the energy filtering effect introduced by Bi2O3, Mater. Today Energy, 25 DiSalvo, 1999, Thermoelectric cooling and power generation, Science, 285, 703, 10.1126/science.285.5428.703 Kauzlarich, 2007, Zintl phases for thermoelectric devices, Dalton Trans., 2099, 10.1039/b702266b Kim, 2014, Thermoelectric properties of Mn-doped Mg–Sb single crystals, J. Mater. Chem. A., 2, 12311, 10.1039/C4TA02386B Kauzlarich, 2016, Chapter 1 Zintl phases: recent developments in thermoelectrics and future outlook, 1 Bhardwaj, 2013, Mg3Sb2-based Zintl compound: a non-toxic, inexpensive and abundant thermoelectric material for power generation, RSC Adv., 3, 8504, 10.1039/c3ra40457a Fang, 2022, Zintl chemistry: current status and future perspectives, Chem. Eng. J., 433, 10.1016/j.cej.2021.133841 Shuai, 2016, Enhancement of thermoelectric performance of phase pure Zintl compounds Ca1−xYbZn2Sb2, Ca1−xEuZn2Sb2, and Eu1−xYbZn2Sb2 by mechanical alloying and hot pressing, Nano Energy, 25, 136, 10.1016/j.nanoen.2016.04.023 Wang, 2017, Single parabolic band transport in p-type EuZn2Sb2 thermoelectrics, J. Mater. Chem., 5, 24185, 10.1039/C7TA08869H Takagiwa, 2017, Thermoelectric properties of EuZn2Sb2 Zintl compounds: zT enhancement through Yb substitution for Eu, J. Alloys Compd., 703, 73, 10.1016/j.jallcom.2017.01.350 Mao, 2017, Manipulation of ionized impurity scattering for achieving high thermoelectric performance in n-type Mg3Sb2-based materials, Proc. Natl. Acad. Sci. USA, 114, 10548, 10.1073/pnas.1711725114 Shuai, 2018, Significant role of Mg stoichiometry in designing high thermoelectric performance for Mg3(Sb,Bi)2-Based n-type zintls, J. Am. Chem. Soc., 140, 1910, 10.1021/jacs.7b12767 Huang, 2022, Tuning the carrier scattering mechanism to improve the thermoelectric performance of p-type Mg3Sb1.5Bi0.5 based material by Ge-doping, Mater. Today Energy, 25 Zhu, 2018, Defect modulation on CaZn1−xAg1−ySb (0 < x < 1; 0 < y <1) Zintl phases and enhanced thermoelectric properties with high ZT plateaus, J. Mater. Chem., 6, 11773, 10.1039/C8TA04001J Chen, 2019, Zintl-phase Eu2ZnSb2: a promising thermoelectric material with ultralow thermal conductivity, Proc. Natl. Acad. Sci. USA, 116, 2831, 10.1073/pnas.1819157116 Sales, 1996, Filled skutterudite antimonides: a new class of thermoelectric materials, Science, 272, 1325, 10.1126/science.272.5266.1325 Kim, 2001, Yb9Zn4Bi9: extension of the Zintl concept to the mixed-valent spectator cations, J. Am. Chem. Soc., 123, 12704, 10.1021/ja0168965 Nam, 2017, Influence of thermally activated solid-state crystal-to-crystal structural transformation on the thermoelectric properties of the Ca5–xYbxAl2Sb6 (1.0 ≤ x ≤ 5.0) system, Chem. Mater., 29, 1384, 10.1021/acs.chemmater.6b05281 Yeon, 2021, p-Type to n-type conversion through the “Bypass” phase transition in the zintl-phase thermoelectric materials, Chem. Mater., 33, 6761, 10.1021/acs.chemmater.1c01318 Toberer, 2008, Traversing the metal-insulator transition in a Zintl phase: rational enhancement of thermoelectric efficiency in Yb14Mn1−xAlxSb11, Adv. Funct. Mater., 18, 2795, 10.1002/adfm.200800298 Kazem, 2015, High temperature thermoelectric properties of the solid-solution Zintl phase Eu11Cd6–xZnxSb12, Chem. Mater., 27, 4413, 10.1021/acs.chemmater.5b01301 Agne, 2018, Heat capacity of Mg3Sb2, Mg3Bi2, and their alloys at high temperature, Mater. Today Phys., 6, 83, 10.1016/j.mtphys.2018.10.001 Zheng, 1986, Site preferences and bond length differences in CaAl2Si2-type Zintl compounds, J. Am. Chem. Soc., 108, 1876, 10.1021/ja00268a027 Yu, 2008, Improved thermoelectric performance in the Zintl phase compounds YbZn2−xMnxSb2 via isoelectronic substitution in the anionic framework, J. Appl. Phys., 104, 10.1063/1.2939372 Toberer, 2010, Electronic structure and transport in thermoelectric compounds AZn2Sb2 (A = Sr, Ca, Yb, Eu), Dalton Trans., 39, 1046, 10.1039/B914172C Zhang, 2008, A new type of thermoelectric material, EuZn2Sb2, J. Chem. Phys., 129 Gascoin, 2005, Zintl phases as thermoelectric materials: tuned transport properties of the compounds CaxYb1–xZn2Sb2, Adv. Funct. Mater., 15, 1860, 10.1002/adfm.200500043 Ponnambalam, 2013, On the thermoelectric properties of Zintl compounds Mg3Bi2−xPnx (Pn = P and Sb), J. Electron. Mater., 42, 1307, 10.1007/s11664-012-2417-7 Saparamadu, 2020, Achieving high-performance p-type SmMg2Bi2 thermoelectric materials through band engineering and alloying effects, J. Mater. Chem. A., 8, 15760, 10.1039/C9TA13224D Xin, 2009, Thermoelectric properties of nanocrystalline (Mg1-xZnx)3Sb2 isostructural solid solutions fabricated by mechanical alloying, J. Phys. D Appl. Phys., 42, 10.1088/0022-3727/42/16/165403 Zhang, 2009, Transport and thermoelectric properties of nanocrystal substitutional semiconductor alloys (Mg1−xCdx)3Sb2 doped with Ag, J. Alloys Compd., 484, 498, 10.1016/j.jallcom.2009.04.130