Ultrafast and low-cost preparation of Mg2(Si0.3Sn0.7)1-ySby with superior thermoelectric performance by self-propagating high-temperature synthesis

被引：8
作者：
Zhang, Qiang [1 ,2 ]
Su, Xianli [1 ]
Yan, Yonggao [1 ]
Zheng, Yun [1 ]
Liu, Wei [1 ]
Tang, Xinfeng [1 ]
机构：
[1] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Hubei, Peoples R China
[2] Taiyuan Univ Technol, Minist Educ, Key Lab Interface Sci & Engn Adv Mat, Taiyuan 030024, Shanxi, Peoples R China
来源：
SCRIPTA MATERIALIA | 2019年 / 162卷
关键词：
Self-propagating high-temperature synthesis (SHS); Thermoelectric materials; Mg2Si0.3Sn0.7; SOLID-SOLUTIONS; BI; EFFICIENCY; FIGURE; MERIT;
D O I：
10.1016/j.scriptamat.2018.12.027
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The innovation of fabrication method is definitely playing a vital role, not only in tuning various material properties, but in facilitating the future commercial applications. Herein, Mg-2(Si0.3Sn0.7)(1-y)Sb-y solid solutions were synthesized by a new, ultrafast and low-cost self-propagating high-temperature synthesis (SHS) method, enabling the large-scale preparation of these materials. The obtained sample exhibits decent thermoelectric performance with a figure of merit, ZT, of above 1.1 and a high average ZT of 0.95. Since SHS method shows the impressive merits of high energy-efficiency, short time-consumption, and the large-scale productivity, this technique should be greatly accentuated for the other potential functional materials. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：507 / 511
页数：5
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