[1] BELL L E. Cooling, heating, generating power, and recovering waste heat with thermoelectric systems[J]. Science, 1457(2008).

[2] SHI X, CHEN L, UHER C. Recent advances in high-performance bulk thermoelectric materials[J]. International Materials Reviews, 379(2016).

[3] GAYNER C, KAR K K. Recent advances in thermoelectric materials[J]. Progress in Materials Science, 83:, 330(2016).

[4] HE J, TRITT T M. Advances in thermoelectric materials research: looking back and moving forward[J]. Science, eaak9997(2017).

[5] IOFFE A F, STILBANS L S, IORDANISHVILI E K et al. Semiconductor thermoelements and thermoelectric cooling[J]. Physics Today, 42(1959).

[6] MAO J, LIU Z, ZHOU J et al. Advances in thermoelectrics[J]. Advances in Physics, 69(2018).

[7] WEI T R, QIN Y, DENG T et al. Copper chalcogenide thermoelectric materials[J]. Science China Materials, 8(2019).

[8] ZHAO K, QIU P, SHI X et al. Recent advances in liquid-like thermoelectric materials[J]. Advanced Functional Materials, 1903867(2020).

[9] SHI X L, ZOU J, CHEN Z G. Advanced thermoelectric design: from materials and structures to devices[J]. Chemical Reviews, 7399(2020).

[10] ZHANG X, BU Z, SHI X et al. Electronic quality factor for thermoelectrics[J]. Science Advances, eabc0726(2020).

[11] ZHU T, LIU Y, FU C et al. Compromise and synergy in high- efficiency thermoelectric materials[J]. Advanced Materials, 1605884(2017).

[12] BISWAS K, HE J, BLUM I D et al. High-performance bulk thermoelectrics with all-scale hierarchical architectures[J]. Nature, 414(2012).

[13] PEI Y, SHI X, LALONDE A et al. Convergence of electronic bands for high performance bulk thermoelectrics[J]. Nature, 66(2011).

[14] ZHAO L D, LO S H, ZHANG Y et al. Ultralow thermal conductivity and high thermoelectric figure of merit in SnSe crystals[J]. Nature, 373(2014).

[15] LIU H, SHI X, XU F et al. Copper ion liquid-like thermoelectrics[J]. Nature Materials, 422(2012).

[16] HEREMANS J P, JOVOVIC V, TOBERER E S et al. Enhancement of thermoelectric efficiency in PbTe by distortion of the electronic density of states[J]. Science, 554(2008).

[17] HSU K F, LOO S, GUO F et al. Cubic AgPb_mSbTe_2+m: bulk thermoelectric materials with high figure of merit[J]. Science, 818(2004).

[18] GUPTA R P, MCCARTY R, SHARP J. Practical contact resistance measurement method for bulk Bi₂Te₃-based thermoelectric devices[J]. Journal of Electronic Materials, 1608(2014).

[19] PEI J, CAI B, ZHUANG H L et al. Bi₂Te₃-based applied thermoelectric materials: research advances and new challenges[J]. National Science Review, 1856(2020).

[20] MAO J, CHEN G, REN Z. Thermoelectric cooling materials[J]. Nature Materials, 454(2021).

[21] PINCHERLE L, RADCLIFFE J M. Semiconducting intermetallic compounds[J]. Advances in Physics, 271(1956).

[22] SLACK G A. New materials and performance limits for thermoelectric cooling[M]. CRC Handbook of Thermoelectrics, 407(2018).

[23] TAMAKI H, SATO H K, KANNO T. Isotropic conduction network and defect chemistry in Mg_3+δSb₂-based layered Zintl compounds with high thermoelectric performance[J]. Advanced Materials, 10182(2016).

[24] MAO J, SHUAI J, SONG S et al. Manipulation of ionized impurity scattering for achieving high thermoelectric performance in n-type Mg₃Sb₂-based materials[J]. Proceedings of the National Academy of Sciences, 10548(2017).

[25] ZHANG J, SONG L, PEDERSEN S H et al. Discovery of high- performance low-cost n-type Mg₃Sb₂-based thermoelectric materials with multi-valley conduction bands[J]. Nature Communications, 13901(2017).

[26] KUO J J, KANG S D, IMASATO K et al. Grain boundary dominated charge transport in Mg₃Sb₂-based compounds[J]. Energy & Environmental Science, 429(2018).

[27] IMASATO K, KANG S D, SNYDER G J. Exceptional thermoelectric performance in Mg₃Sb_0.6Bi_1.4for low-grade waste heat recovery[J]. Energy & Environmental Science, 965(2019).

[28] MAO J, ZHU H, DING Z et al. High thermoelectric cooling performance of n-type Mg₃Bi₂- based materials[J]. Science, 495(2019).

[29] SHU R, ZHOU Y, WANG Q et al. Mg_3+δSb_xBi_2-x family: a promising substitute for the state-of-the-art n-type thermoelectric materials near room temperature[J]. Advanced Functional Materials, 1807235(2019).

[30] WOOD M, KUO J J, IMASATO K et al. Improvement of low- temperature ZT in a Mg₃Sb₂-Mg₃Bi₂ solid solution via Mg-vapor annealing[J]. Advanced Materials, 1902337(2019).

[31] ZHANG F, CHEN C, YAO H et al. High-performance N-type Mg₃Sb₂ towards thermoelectric application near room temperature[J]. Advanced Functional Materials, 1906143(2020).

[32] YING P, HE R, MAO J et al. Towards tellurium-free thermoelectric modules for power generation from low-grade heat[J]. Nature Communications, 1121(2021).

[33] MARTINEZ-RIPOLL M, HAASE A, BRAUER G. The crystal structure of α-Mg₃Sb₂[J]. Acta Crystallographica Section B: Structural Crystallography and Crystal Chemistry, 2006(1974).

[34] LI A, FU C, ZHAO X et al. High-performance Mg₃Sb_2-xBi_x thermoelectrics: progress and perspective[J]. Research, 1934848(2020).

[35] ZHENG C, HOFFMANN R, NESPER R et al. Site preferences and bond length differences in CaAl₂Si₂-type Zintl compounds[J]. Journal of the American Chemical Society, 1876(1986).

[36] OHNO S, IMASATO K, ANAND S et al. Phase boundary mapping to obtain n-type Mg₃Sb₂-based thermoelectrics[J]. Joule, 141(2018).

[37] BHARDWAJ A, RAJPUT A, SHUKLA A K et al. Mg₃Sb₂-based Zintl compound: a non-toxic, inexpensive and abundant thermoelectric material for power generation[J]. RSC Advances, 8504(2013).

[38] MAO J, WU Y, SONG S et al. Defect engineering for realizing high thermoelectric performance in n-type Mg₃Sb₂-based materials[J]. ACS Energy Letters, 2245(2017).

[39] SHUAI J, WANG Y, KIM H S et al. Thermoelectric properties of Na-doped Zintl compound: Mg_3-xNa_xSb₂[J]. Acta Materialia, 93:, 187(2015).

[40] ZHANG J, SONG L, SIST M et al. Chemical bonding origin of the unexpected isotropic physical properties in thermoelectric Mg₃Sb₂ and related materials[J]. Nature Communications, 4716(2018).

[41] SUN X, LI X, YANG J et al. Achieving band convergence by tuning the bonding ionicity in n-type Mg₃Sb₂[J]. Journal of Computational Chemistry, 1693(2019).

[42] SHI X, ZHAO T, ZHANG X et al. Extraordinary n-type Mg₃SbBi thermoelectrics enabled by yttrium doping[J]. Advanced Materials, 1903387(2019).

[43] ZHANG F, CHEN C, YAO H et al. High-performance N-type Mg₃Sb₂ towards thermoelectric application near room temperature[J]. Advanced Functional Materials, 1906143(2020).

[44] SHI X, ZHANG X, GANOSE A et al. Compromise between band structure and phonon scattering in efficient n-Mg₃Sb_2-xBi_x thermoelectrics[J]. Materials Today Physics, 18:, 100362(2021).

[45] ZHANG J, SONG L, IVERSEN B B. Rapid one-step synthesis and compaction of high-performance n-type Mg₃Sb₂ thermoelectrics[J]. Angewandte Chemie International Edition, 4278(2020).

[46] NAYEB-HASHEMI A A, CLARK J B. The Mg-Sb (magnesium- antimony) system[J]. Bulletin of Alloy Phase Diagrams, 579(1984).

[47] GRUBE G. Metallographische mitteilungen aus dem institut für anorganische chemie der universität göttingen. XXV. Über die legierungen des magnesiums mit kadmium, zink, wismut und antimon[J]. Zeitschrift für Anorganische Chemie, 72(1906).

[48] KIM S, KIM C, HONG Y K et al. Thermoelectric properties of Mn-doped Mg-Sb single crystals[J]. Journal of Materials Chemistry A, 12311(2014).

[49] KIM S H, KIM C M, HONG Y K et al. Thermoelectric properties of Mg₃Sb_2-xBi_x single crystals grown by Bridgman method[J]. Materials Research Express, 055903(2015).

[50] LI A, HU C, HE B et al. Demonstration of valley anisotropy utilized to enhance the thermoelectric power factor[J]. Nature Communications, 5408(2021).

[51] LI X, XIE H, YANG B et al. Influence of growth rate and orientation on thermoelectric properties in Mg₃Sb₂ crystal[J]. Journal of Materials Science: Materials in Electronics, 9773(2020).

[52] JIN M, YANG W H, WANG X H et al. Growth and characterization of ZnTe single crystal via a novel Te flux vertical Bridgman method[J]. Rare Metals, 858(2021).

[53] XIN J, LI G, AUFFERMANN G et al. Growth and transport properties of Mg₃X₂ (X=Sb, Bi) single crystals[J]. Materials Today Physics, 7:, 61(2018).

[54] IMASATO K, FU C, PAN Y et al. Metallic n-type Mg₃Sb₂ single crystals demonstrate the absence of ionized impurity scattering and enhanced thermoelectric performance[J]. Advanced Materials, 1908218(2020).

[55] PAN Y, YAO M, HONG X et al. Mg₃(Bi, Sb)₂ single crystals towards high thermoelectric performance[J]. Energy & Environmental Science, 1717(2020).

[56] JIN M, LIN S, LI W et al. Nearly isotropic transport properties in anisotropically structured n-type single-crystalline Mg₃Sb₂[J]. Materials Today Physics, 21:, 100508(2021).

[57] JIN M, SHAO H, HU H et al. Growth and characterization of large size undoped p-type SnSe single crystal by Horizontal Bridgman method[J]. Journal of Alloys and Compounds, 712:, 857(2017).

[58] KAIBE H, TANAKA Y, SAKATA M et al. Anisotropic galvanomagnetic and thermoelectric properties of n-type Bi₂Te₃ single crystal with the composition of a useful thermoelectric cooling material[J]. Journal of Physics and Chemistry of Solids, 945(1989).