Boosting the Thermoelectric Performance of (Na,K)-Codoped Polycrystalline SnSe by Synergistic Tailoring of the Band Structure and Atomic-Scale Defect Phonon Scattering

2017 ◽  
Vol 139 (28) ◽  
pp. 9714-9720 ◽  
Author(s):  
Zhen-Hua Ge ◽  
Dongsheng Song ◽  
Xiaoyu Chong ◽  
Fengshan Zheng ◽  
Lei Jin ◽  
...  
Keyword(s):  
Band Structure ◽  
Phonon Scattering ◽  
Atomic Scale ◽  
Thermoelectric Performance

Refined Band Structure plus Enhanced Phonon Scattering Realize Thermoelectric Performance Optimization in CuI-Mn Codoped SnTe

2021 ◽  
Author(s):  
Gang Wu ◽  
Zhe Guo ◽  
Qiang Zhang ◽  
Xuemei Wang ◽  
Lidong Chen ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Power Generation ◽  
Band Structure ◽  
Performance Optimization ◽  
Phonon Scattering ◽  
Thermoelectric Performance ◽  
Similar Band

With the same crystal structure and similar band structure, SnTe is regarded as an eco-friendly alternative of PbTe for the mid-temperature power generation application, but its thermoelectric performance suffers from...

Enhanced thermoelectric performance of band structure engineered GeSe1−xTex alloys

2021 ◽  
Vol 5 (6) ◽  
pp. 1734-1746
Author(s):  
D. Sidharth ◽  
A. S. Alagar Nedunchezhian ◽  
R. Akilan ◽  
Anup Srivastava ◽  
Bhuvanesh Srinivasan ◽  
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Keyword(s):  
Thermal Conductivity ◽  
Band Structure ◽  
Power Factor ◽  
Thermoelectric Performance

The power factor of GeSe enhanced and thermal conductivity decreased by Te substitution and thereby, GeSe0.80Te0.20 exhibits high ZT.

High Thermoelectric Performance of ZnO by Coherent Phonon Scattering and Optimized Charge Transport

2021 ◽  
pp. 2105008
Author(s):  
Somnath Acharya ◽  
Byung‐Kyu Yu ◽  
Junphil Hwang ◽  
Jiyong Kim ◽  
Woochul Kim
Keyword(s):  
Charge Transport ◽  
Phonon Scattering ◽  
Thermoelectric Performance ◽  
Coherent Phonon

scholarly journals First-principles predictions of low lattice thermal conductivity and high thermoelectric performance of AZnSb (A = Rb, Cs)

RSC Advances ◽  
2021 ◽  
Vol 11 (25) ◽  
pp. 15486-15496
Author(s):  
Enamul Haque
Keyword(s):  
Thermal Conductivity ◽  
Debye Temperature ◽  
Layered Structure ◽  
First Principles ◽  
Lattice Thermal Conductivity ◽  
Phonon Scattering ◽  
Thermoelectric Performance

The layered structure, and presence of heavier elements Rb/Cs and Sb induce high anharmonicity, low Debye temperature, intense phonon scattering, and hence, low lattice thermal conductivity.

scholarly journals Engineering Band Structure via the Site Preference of Pb2+ in the In+ Site for Enhanced Thermoelectric Performance of In6Se7

2016 ◽  
Vol 8 (35) ◽  
pp. 23175-23180 ◽  
Author(s):  
Jiaolin Cui ◽  
Min Cheng ◽  
Wenchang Wu ◽  
Zhengliang Du ◽  
Yimin Chao
Keyword(s):  
Band Structure ◽  
Thermoelectric Performance ◽  
Site Preference

scholarly journals Analyzing transport properties of p-type Mg2Si–Mg2Sn solid solutions: optimization of thermoelectric performance and insight into the electronic band structure

2019 ◽  
Vol 7 (3) ◽  
pp. 1045-1054 ◽  
Author(s):  
Hasbuna Kamila ◽  
Prashant Sahu ◽  
Aryan Sankhla ◽  
Mohammad Yasseri ◽  
Hoang-Ngan Pham ◽  
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Keyword(s):  
Band Structure ◽  
Transport Properties ◽  
Carrier Concentration ◽  
Solid Solutions ◽  
Figure Of Merit ◽  
Electronic Band Structure ◽  
Thermoelectric Performance ◽  
Electronic Band ◽  
P Type ◽  
Insight Into

Figure of merit zT mapping of p-Mg2Si1−xSnx with respect to carrier concentration.

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