A High Performance Ag Alloyed Nano-scale n-type Bi2Te3 Based Thermoelectric Material
Paper i proceeding, 2015

A silver alloyed n-type bismuth telluride (Bi2Te3) thermoelectric (TE) bulk material with nano crystalline structure was studied and characterized in this paper. The Bi2Te3 nanopowders used in this study were first fabricated via a patented explosion based process. Then, the various concentrations of Ag nanoparticles (0-20 wt. %) were added into the Bi2Te3 nanopowders in order to increase the electrical conductivity. Combining the benefits of high electrical conductivity (1.51x10(5) S.m(-1)) and low thermal conductivity (0.441 W.m(-1).K-1), the dimensionless figure of merit (ZT value) of 1.48 for this n-type Bi2Te3 TE material is achieved at 300 K temperature.

Bismuth-Telluride

Silver

Nano-scale

Thermoelectric

Nanoparticles

Författare

Si Chen

Chalmers, Teknisk fysik, Elektronikmaterial och system

Nikolaos Logothetis

Chalmers, Teknisk fysik, Elektronikmaterial och system

L. Ye

SHT Smart High-Tech

Johan Liu

Chalmers, Teknisk fysik, Elektronikmaterial och system

Materials Today: Proceedings

2214-7853 (eISSN)

Vol. 2 2 610-619

Ämneskategorier

Nanoteknik

DOI

10.1016/j.matpr.2015.05.083

Mer information

Senast uppdaterat

2018-09-21