Charge Transport in Thermoelectric SnSe Single Crystals

CORC > 宁波材料技术与工程研究所 > 中国科学院宁波材料技术与工程研究所 > 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
刊名	ACS ENERGY LETTERS
	2018
卷号	3 期号:3 页码:689-694
关键词	Performance Polycrystalline Snse Thermal-conductivity Phonon-scattering Power Glass Pbse Band
英文摘要	SnSe 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.
学科主题	Materials Science
语种	英语
公开日期	2018-12-04
内容类型	期刊论文
源URL	[http://ir.nimte.ac.cn/handle/174433/16776]
专题	2018专题
推荐引用方式 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.