کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1592576 | 1515640 | 2013 | 6 صفحه PDF | دانلود رایگان |
A first-principles study has been performed to evaluate the electronic structure and thermoelectric properties of Bi2(Te1-xSex)3 compound. The transport coefficients are then calculated within the semiclassical Boltzmann theory, and further evaluated as a function of chemical potential assuming a constant relaxation time and an averaged thermal conductivity. Our theoretical calculations show that the ZT value is 1.43 for Bi2(Te1−xSex)3 system, and it agrees well with previous experimental data.
► To evaluate thermoelectric properties of Bi2(Te1−xSex)3 compound by the first-principles coupled with the Boltzmann transport theory.
► Seebeck coefficient.
► the electrical conductivity and the thermal conductivities are to be analyzed, respectively.
► Our theoretical calculations show that the ZT value is 1.43 for Bi6Te7Se2 system.
► Our theoretical calculations agree well with previous experimental data.
Journal: Solid State Communications - Volume 155, February 2013, Pages 34–39