Transport properties and thermoelectric properties of two-dimensional PtS2 monolayer: First-principle study

被引：17

作者：

Liang, Xiao-Chong ^{[1
]}

He, Xiu-Jun ^{[2
]}

Ding, Ying-Chun ^{[2
]}

Hao, Yan-jun ^{[1
]}

Zhu, Jun ^{[1
]}

机构：

[1] Sichuan Univ, Coll Phys, Chengdu 610064, Peoples R China

[2] Chengdu Univ Informat Technol, Coll Optoelect Technol, Chengdu 610225, Peoples R China

来源：

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2021年 / 132卷

关键词：

Thermoelectric material; First-principles calculations; Different strain; ZT value; Two-dimensional PtS2; HIGH THERMOPOWER; EARTH-ABUNDANT; PERFORMANCE; POWER; SEMICONDUCTORS; SCATTERING; HEAT; SE; SB;

D O I：

10.1016/j.physe.2021.114744

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Thermoelectric material is a new type of functional material for directly converting heat energy into electric energy, which has an important application prospect in the fields of new energy generation and waste heat recovery. In this paper, the thermoelectric properties of two-dimensional PtS2 are researched under different strain based on density functional theory calculations. The ZT was obtained by calculating thermal transport properties and electric transport properties. The largest ZT value of Penta-PtS2 for p-type and n-type are 0.29 and 0.56 respectively under strain 0%, the maximum ZT value of PtS2 can reach to 0.7 by applying strain.

引用

页数：10

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