High thermoelectric figure-of-merit in Sb2Te3/Ag2Te bulk composites as Pb-free p-type thermoelectric materials

Author:

Lee Min Ho1234,Kim Ka-Ryeong1234,Rhyee Jong-Soo1234,Park Su-Dong5674,Snyder G. Jeffrey891011

Affiliation:

1. Department of Applied Physics and Institute of Natural Sciences

2. Kyung Hee University

3. Yongin 446-701

4. Korea

5. Advanced Electrical Materials Group

6. Korea Electrotechnology Research Institute

7. Changwon 641-600

8. Department of Materials Science and Engineering

9. Northwestern University

10. Evanston 60208

11. USA

Abstract

Sb2Te3/Ag2Te (ST/AT) composites with ST/AT molar ratios of 1/1, 2/1, 4/1, 8/1, 16/1, and 32/1 were synthesized, and high ZT values were achieved compared with other Pb-free p-type chalcogenide thermoelectric materials.

Funder

National Research Foundation of Korea

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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