Enhancement in thermoelectric performance of SiGe nanoalloys dispersed with SiC nanoparticles

2017 ◽  
Vol 19 (36) ◽  
pp. 25180-25185 ◽  
Author(s):  
Sivaiah Bathula ◽  
M. Jayasimhadri ◽  
Bhasker Gahtori ◽  
Anil Kumar ◽  
A. K. Srivastava ◽  
...  
Keyword(s):  
Figure Of Merit ◽  
Thermoelectric Performance ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Sic Nanoparticles

The enhancement of thermoelectric figure-of-merit with SiC dispersion in SiGe nanostructured alloy.

Extraordinary thermoelectric performance of NaBaBi with degenerate and highly non-parabolic bands compared to LiBaSb and Bi2Te3

2021 ◽  
Author(s):  
Enamul Haque
Keyword(s):  
Fermi Level ◽  
Figure Of Merit ◽  
Thermoelectric Performance ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure

This article reports the extraordinary thermoelectric figure of merit (ZT) of NaBaBi: degenerate bands, instead of the valley degeneracy of Bi2Te3, highly non-parabolic bands, and low DOS near the Fermi level of NaBaBi lead to an extraordinary ZTisotropic ≈ 1.60 at 350 K.

A strategy for boosting the thermoelectric performance of famatinite Cu3SbS4

2020 ◽  
Vol 22 (4) ◽  
pp. 2081-2086 ◽  
Author(s):  
Taiki Tanishita ◽  
Koichiro Suekuni ◽  
Hirotaka Nishiate ◽  
Chul-Ho Lee ◽  
Michitaka Ohtaki
Keyword(s):  
Figure Of Merit ◽  
Thermoelectric Performance ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Co Substitution

Co-substitution of Ge and P for Sb in Cu3SbS4 famatinite boosted dimensionless thermoelectric figure of merit.

The effects of Ge doping on the thermoelectric performance of p-type polycrystalline SnSe

RSC Advances ◽  
2016 ◽  
Vol 6 (115) ◽  
pp. 114825-114829 ◽  
Author(s):  
Tessera Alemneh Wubieneh ◽  
Cheng-Lung Chen ◽  
Pai Chun Wei ◽  
Szu-Yuan Chen ◽  
Yang-Yuan Chen
Keyword(s):  
Figure Of Merit ◽  
Thermoelectric Performance ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
P Type ◽  
Ge Doping

Ge doping enables to enhance the thermoelectric figure of merit of SnSe..

High thermoelectric performance of topological half-Heusler compound LaPtBi achieved by hydrostatic pressure

2020 ◽  
Vol 22 (26) ◽  
pp. 14621-14629 ◽  
Author(s):  
Suiting Ning ◽  
Shan Huang ◽  
Ziye Zhang ◽  
Renqi Zhang ◽  
Ning Qi ◽  
...  
Keyword(s):  
Hydrostatic Pressure ◽  
Figure Of Merit ◽  
Thermoelectric Performance ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Heusler Compound

The thermoelectric figure of merit (ZT) in LaPtBi shows an overall increase with increasing hydrostatic pressure.

High thermoelectric performance for an Ag2Se-based material prepared by a wet chemical method

2020 ◽  
Vol 4 (3) ◽  
pp. 875-880
Author(s):  
D. Li ◽  
J. H. Zhang ◽  
J. M. Li ◽  
J. Zhang ◽  
X. Y. Qin
Keyword(s):  
Figure Of Merit ◽  
Chemical Method ◽  
Thermoelectric Performance ◽  
Thermoelectric Figure Of Merit ◽  
Wet Chemical Method ◽  
Thermoelectric Figure ◽  
Chemical Route ◽  
Alloy Nanocrystals ◽  
Wet Chemical

Herein, a facile solution chemical route has been developed for synthesis of Ag2Se-based alloy nanocrystals and high thermoelectric figure of merit has been obtained.

High thermoelectric performance of polycrystalline In4Se3−δ(CuI)x: synergistic effects of the Se-deficiency and CuI-doping

2016 ◽  
Vol 3 (12) ◽  
pp. 1566-1571 ◽  
Author(s):  
Yan-Chun Chen ◽  
Hua Lin ◽  
Li-Ming Wu
Keyword(s):  
Synergistic Effect ◽  
Power Factor ◽  
Figure Of Merit ◽  
Synergistic Effects ◽  
Thermoelectric Performance ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Se Deficiency

Synergistic effect of Se-deficiency and CuI-doping significantly enhances the thermoelectric figure-of-merit of the n-type polycrystalline In4Se3-based materials via improving the power factor. With In4Se2.95(CuI)0.01, ZT = 1.34 at 723 K, the highest value obtained for Pb-free polycrystalline In4Se3-based materials to date.

Enhanced thermoelectric performance of GeTe through in situ microdomain and Ge-vacancy control

2019 ◽  
Vol 7 (25) ◽  
pp. 15181-15189 ◽  
Author(s):  
Khasim Saheb Bayikadi ◽  
Raman Sankar ◽  
Chien Ting Wu ◽  
Chengliang Xia ◽  
Yue Chen ◽  
...  
Keyword(s):  
High Temperature ◽  
Figure Of Merit ◽  
Thermoelectric Performance ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Vacancy Level

The thermoelectric figure-of-merit (ZT) for GeTe powder is able to be raised from ∼0.8 to 1.37 at high temperature near ∼500 °C by tuning the Ge vacancy level through a reversible in situ route.

Regulation of Ge Vacancies through Sm Doping boosting Superior Thermoelectric Performance in GeTe

2022 ◽  
Author(s):  
Tingdong Zhang ◽  
Shuping Deng ◽  
Xiaodie Zhao ◽  
Xuefeng Ruan ◽  
Ning Qi ◽  
...  
Keyword(s):  
Transport Properties ◽  
Thermal Transport ◽  
Figure Of Merit ◽  
Thermoelectric Performance ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Thermal Transport Properties ◽  
P Type

A high thermoelectric figure of merit ZT of 2.5 at 730 K is achieved in p-type Ge1−xSmxTe through synergetic optimization of electrical and thermal transport properties. Sm doping effectively suppresses...

Enhanced thermoelectric performance through carrier scattering at heterojunction potentials in BiSbTe based composites with Cu3SbSe4 nanoinclusions

2015 ◽  
Vol 3 (27) ◽  
pp. 7045-7052 ◽  
Author(s):  
Yuanyue Li ◽  
Di Li ◽  
Xiaoying Qin ◽  
Xiuhui Yang ◽  
Yongfei Liu ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Power Factor ◽  
Figure Of Merit ◽  
Lattice Thermal Conductivity ◽  
Thermoelectric Performance ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Carrier Scattering ◽  
Interface Scattering

Owing to enhanced power factor and reduced lattice thermal conductivity through interface scattering, a largest thermoelectric figure of merit ZT = 1.61 is achieved at 467 K for BiSbTe based composite with Cu3SbSe4 nanoinclusions.

scholarly journals New insight into the material parameter B to understand the enhanced thermoelectric performance of Mg2Sn1−x−yGexSby

2016 ◽  
Vol 9 (2) ◽  
pp. 530-539 ◽  
Author(s):  
Weishu Liu ◽  
Jiawei Zhou ◽  
Qing Jie ◽  
Yang Li ◽  
Hee Seok Kim ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Band Gap ◽  
Figure Of Merit ◽  
Material Parameter ◽  
Lattice Thermal Conductivity ◽  
Thermoelectric Performance ◽  
Thermoelectric Figure Of Merit ◽  
Thermoelectric Figure ◽  
Insight Into

A new generalized material parameterB*, connecting weighted mobility, lattice thermal conductivity, and also the band gap, provides a new insight in pursuing high thermoelectric figure-of-meritZT.

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