Order-disorder transition-induced band nestification in AgBiSe2–CuBiSe2 solid solutions for superior thermoelectric performance

Author:

Jang Hanhwi1234ORCID,Abbey Stanley1534,Nam Woo Hyun6784,Frimpong Brakowaa1534,Nguyen Chien Viet934,Joo Sung-Jae1011124,Shin Ho Sun934,Song Jae Yong934,Cho Eugene N.13234ORCID,Kim Moohyun1234,Jung Yeon Sik1234ORCID,Oh Min-Wook1534ORCID

Affiliation:

1. Department of Materials Science and Engineering

2. Korea Advanced Institute of Science and Technology (KAIST)

3. Daejeon

4. Republic of Korea

5. Hanbat National University

6. Energy Efficiency Materials Center

7. Korea Institute of Ceramic Engineering and Technology (KICET)

8. Jinju

9. Korea Research Institute of Standards and Science (KRISS)

10. Energy Conversion Research Center

11. Korea Electrotechnology Research Institute (KERI)

12. Changwon

13. KAIST Institute for NanoCentury

Abstract

The AgBiSe2–CuBiSe2 system shows band nestification at high temperatures, resulting in heavy DOS effective mass while preserving electron mobility.

Funder

Ministry of Science and ICT, South Korea

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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