Page 164 - Read Online

Martin-Gonzalez et al. Energy Mater. 2025, 5, 500121 https://dx.doi.org/10.20517/energymater.2025.32 Page 19 of 35

Table 3. State-of-the-art TE materials according to optimal temperature and their respective zT
Temperature range Materials Details zT Ref.
Near room Bi Te 3 Bi Sb Te Se + 15 % Te 1.4 [19]
1.8
0.3
2.7
2
0.2
wt
(Bi Te ) (Ga Te5) /Bi Ga Te 1.5/1.2 [20]
2 3 0.93 2 0.07 1.99 0.01 3
Bi Se 0.02 Te Cu 0.03 (Cu S) 0.0125 1.6 [211]
2
3
2
BiSb Ag Te Se 1.7 [261]
0.95 0.05 2
Ag Se Zn-doped β-Ag Se 1.3 [220]
2
2
Ag Se nanorod arrays 1.15 [221]
2
β-Ag Se (porous polycrystalline bulk) 0.9 [222]
2
Ag Se via PHRMS 1.2 [218]
2
Mg Bi Te-doped Mg Sb single crystal 0.5 [171]
3 2 3 2
Mg Bi Sb 0.498 Te 0.002 Cu 0.01 0.9 [229]
3.2
1.5
Mg Sb Mg Sb Bi Te 0.6 [22]
3 2 3 1.48 0.48 0.04
Sb Te 3 Sb Te /MoS Multilayer 2 [82]
2
2
2
3
Sb 1.97 Nb 0.03 Ag 0.005 Te 3 0.6 [227]
Sb Te + 15% Bi Te 1 [178]
2 3 2 3
AgCuTe (AgCu) 0.995 Te Se 1.1 [232]
0.1
0.9
Medium SnSe Polycrystalline SnSe 3.1 [12]
Single crystals along the b-axis 2.6 [18]
Bi-doped SnSe single crystals 2.2 [46]
PbTe Pb 0.98 Na 0.02 Te-8%SrTe 2.5 [32]
Pb Na Te-2%MgTe-0.75%GeTe 2.8 [224]
0.97 0.03
2.5% K-doped PbTe S 2.2 [240]
0.7 0.3
PbSe Cu PbSe Te 1.7 [61]
0.005 0.99 0.01
Mg Sb 2 Mg Co Sb Bi 0.49 Te 0.01 1.7 [170]
3
1.5
3.1
0.1
Mg Sb 1.48 Bi 0.48 Te 0.04 1.65 [22]
3
CoSb (Sm,Mm) Co Sb 2.1 [262]
3 0.15 4 12
CoSb 2.875 Te 0.125 1.1 [233]
Yb Co Sb 1.5 [263]
0.35 4 12
GeTe Bi 0.05 Ge 0.99 Te 2.0 [238]
ZrCoBi ZrCoBi Sb Sn 1.42 [167]
0.65 0.15 0.20
(Zr, Hf) NiSn Ti (Zr Hf ) NiSn 0.998 Sb 0.002 1.5 [58]
0.5
0.5 0.5
0.5
BiCuSeO Bi Pb CuSeO 1.14 [154]
0.94 0.06
AgSbTe 2 AgSb 0.94 Cd 0.06 Te 2 2.6 [14]
Mg Si Mg Si Sn Sb 0.95 [236]
2 2 0.785 0.2 0.015
Mg 2.03 (Si Sn ) Bi 0.007 1.3 [237]
0.7 0.993
0.3
Mg 2.08 Si 0.364 Sn Sb 0.036 1.5 [264]
0.6
High SiGe Polycrystalline n-type SiGe alloys 1.84 [28]
Si Ge B (TaC) 1 1.06 [258]
20 0.8
80
Ba CoO Ba CoO epitaxial film 0.55 [255]
1/3 2 1/3 2
Yb MnSb 11 Yb MnSb with 5% excess Mn 1.2 [265]
11
14
14
Yb MnSb prepared with MgH 1.26 [266]
14 11 2
Cu Se Cu Se - Co-coated B nanoparticles 2.23 [267]
2
2
Cu Se-BiCuSeO-graphene 2.82 [257]
2
FeNbSb FeNb 0.88 Hf 0.12 Sb 1.5 [30]
Pr Te Pr Te 1.7 [165]
3 4 2.74 4
La Te 4 La Ca 0.78 Te 4 1.2 [268]
2.2
3
SrTiO SrTiO -10 mol% La-10 mol% Nb 0.65 [269]
3 3