Journal
MATERIALS RESEARCH EXPRESS
Volume 1, Issue 3, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/2053-1591/1/3/035901
Keywords
Bi2Te2.7Se0.3; thermoelectric properties; ball milling; hot pressing; Al doped zinc oxide
Categories
Funding
- NSFC [51372208]
- state key laboratory of metastable Materials Science and Technology of China [210303]
- state key laboratory of thin films and integrated electronic devices of China [12223407]
- Chunhui plan [72011072]
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Nano Al-doped ZnO (AZO) particles were added into n-type Bi2Te2.7Se0.3 alloys by ball milling and hot pressing method. The power factor was improved by similar to 22% with addition of nano-AZO particles, accompanied with a similar to 40% decrease of lattice thermal conductivity, leading to peak ZT of similar to 0.85 at 323K for Bi2Te2.7Se0.3(AZO)(0.005) sample. The effects of the addition of AZO nanoparticles on the microstructure and thermoelectric transport properties are discussed.
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