NIMTE OpenIR  > 2018专题
Charge Transport in Thermoelectric SnSe Single Crystals
Jin, Min; Chen, Zhiwei; Tan, Xiaojian; Shao, Hezhu; Liu, Guoqiang; Hu, Haoyang; Xu, Jingtao; Yu, Bo; Shen, Hui; Xu, Jiayue; Jiang, Haochuan; Pei, Yanzhong; Jiang, Jun
Source PublicationACS ENERGY LETTERS
AbstractSnSe has attracted increasing attention as a promising thermoelectric material. In this work, a horizontal vapor transfer method was developed to synthesize high-quality, fully dense, and stoichiometric SnSe single crystals, which enables an evaluation of the transport properties inherent to SnSe along the bc-plane. The electronic transport properties can be well-understood by a single parabolic band model with acoustic phonon scattering, enabling insights into the fundamental material parameters determining the electronic properties. The lattice thermal conductivity (kappa(1)) decreases from 2.0 W m(-1) K-1 at 300 K to 0.55 W m(-1) K-1 at 773 K. It is revealed that an increase in hole concentration, an involvement of low-lying bands for transport, and a further reduction in kappa(1) would all enable p-type SnSe to be a promising eco-friendly thermoelectric material. This work not only provides a fundamental understanding of the charge transport but also guides the further improvement of thermoelectric SnSe.
KeywordPerformance Polycrystalline Snse Thermal-conductivity Phonon-scattering Power Glass Pbse Band
Subject AreaMaterials Science
Document Type期刊论文
Recommended Citation
GB/T 7714
Jin, Min,Chen, Zhiwei,Tan, Xiaojian,et al. Charge Transport in Thermoelectric SnSe Single Crystals[J]. ACS ENERGY LETTERS,2018,3(3):689-694.
APA Jin, Min.,Chen, Zhiwei.,Tan, Xiaojian.,Shao, Hezhu.,Liu, Guoqiang.,...&Jiang, Jun.(2018).Charge Transport in Thermoelectric SnSe Single Crystals.ACS ENERGY LETTERS,3(3),689-694.
MLA Jin, Min,et al."Charge Transport in Thermoelectric SnSe Single Crystals".ACS ENERGY LETTERS 3.3(2018):689-694.
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