Electronic structure and thermoelectric properties of PbTe1−xSex from first-principles calculations
Electronic structure and thermoelectric properties of PbTe1−xSex from first-principles calculations
复制标题
第一性原理计算的 PbTe1âxSex 的电子结构和热电性质
DOI:
10.1016/j.commatsci.2019.109404
复制
发表时间:
2020-02
影响因子:
3.3
通讯作者:
Guang-hui Rao
中科院分区:
文献类型:
--
作者:
Gang Zhou;Guang-hui Rao
Electronic structures and thermoelectric transport properties of a series of PbTe1−xSexsolid solutions have been investigated using density functional theory and Boltzmann transport equation with constant relaxation time approximation. The evolution of the band structure with the variation of Se concentration has been studied systematically. It has been found out that the Seebeck coefficients and power factors of p-type PbTe1−xSexsolid solutions decrease continuously with increasing Se concentration, which is mainly due to the higher the Se concentration, the flatter the density of states near the edge of the valence band. The dependence of the thermoelectric transport coefficients on carrier concentration and temperature was discussed in detail. Our studies provide a guidance for future experiments to search high-efficiency p-type PbTe1−xSexsolid solutions.
登录
查看更多内容
影响因子:
3.7
作者:
Kresse, G;Furthmuller, J
通讯作者:
Furthmuller, J
影响因子:
2.9
作者:
N. Boukhris;H. Meradji;S. Ghemid;S. Drablia;F. El Haj Hassan
通讯作者:
N. Boukhris;H. Meradji;S. Ghemid;S. Drablia;F. El Haj Hassan
影响因子:
64.8
作者:
Biswas, Kanishka;He, Jiaqing;Kanatzidis, Mercouri G.
通讯作者:
Kanatzidis, Mercouri G.
DOI:
--
发表时间:
2008-03
期刊:
Bulletin of the American Physical Society
影响因子:
--
作者:
A. Hochbaum;Renkun Chen;R. Delgado;W. Liang;E. Garnett;M. Najarian;A. Majumdar;P. Yang
通讯作者:
A. Hochbaum;Renkun Chen;R. Delgado;W. Liang;E. Garnett;M. Najarian;A. Majumdar;P. Yang
影响因子:
3.7
作者:
PERDEW, JP;WANG, Y
通讯作者:
WANG, Y