Journal
SCRIPTA MATERIALIA
Volume 146, Issue -, Pages 192-195Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2017.11.045
Keywords
Thermoelectric materials; Direction solidification; Power factor; Dimensionless figure of merit; Liquid state manipulation
Categories
Funding
- National Natural Science Foundation of China [51371073]
Ask authors/readers for more resources
Liquid state manipulation (LSM) has been applied to prepare direction solidified Bi2Te2.7Se0.3 bulk alloys. The maintained strong texturing and increased effective mass benefits the power factor. Moreover, the lattice thermal conductivity in Bi2Te2.7Se0.3 reduces to 0.55 Wm(-1) K-1 at 4901(after LSM. As a result, the largest ZT value of 1.10 is achieved for the sample experienced LSM, which is increased by 20% compared with that unexperienced ISM. The average ZTvalue for LSM sample rises from 0.80 to 1.02, which makes this material suitable for application in the wide temperature range. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available