Soft phonon modes from off-center Ge atoms lead to ultralow thermal conductivity and superior thermoelectric performance in n-type PbSe–GeSe-Reference-Cited by-同舟云学术

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Soft phonon modes from off-center Ge atoms lead to ultralow thermal conductivity and superior thermoelectric performance in n-type PbSe–GeSe

Published:2018 Issue:11 Volume:11 Page:3220-3230
ISSN:1754-5692
Container-title:Energy & Environmental Science
language:en
Short-container-title:Energy Environ. Sci.

Author:

Luo Zhong-Zhen¹²³⁴⁵^ORCID,Hao Shiqiang⁶⁵⁷⁸,Zhang Xiaomi⁶⁵⁷⁸^ORCID,Hua Xia⁶⁵⁷⁸^ORCID,Cai Songting⁴⁵⁷⁸⁶,Tan Gangjian⁴⁵⁷⁸^ORCID,Bailey Trevor P.⁹¹⁰¹¹⁸^ORCID,Ma Runchu⁹¹⁰¹¹⁸,Uher Ctirad⁹¹⁰¹¹⁸^ORCID,Wolverton Chris⁶⁵⁷⁸^ORCID,Dravid Vinayak P.⁶⁵⁷⁸^ORCID,Yan Qingyu¹²³^ORCID,Kanatzidis Mercouri G.⁴⁵⁷⁸^ORCID

Affiliation:

1. School of Materials Science and Engineering

2. Nanyang Technological University

3. Singapore

4. Department of Chemistry

5. Northwestern University

6. Department of Materials Science and Engineering

7. Evanston

8. USA

9. Department of Physics

10. University of Michigan

11. Ann Arbor

Abstract

The off-centered Ge leads to the ultralow lattice thermal conductivity and record high average ZT for n-type PbSe.

Funder

National Natural Science Foundation of China

U.S. Department of Energy

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Nuclear Energy and Engineering,Renewable Energy, Sustainability and the Environment,Environmental Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2018/EE/C8EE01755G

Reference77 articles.

1. Cubic AgPb m SbTe 2+ m : Bulk Thermoelectric Materials with High Figure of Merit

2. Convergence of electronic bands for high performance bulk thermoelectrics

3. All-scale hierarchical thermoelectrics: MgTe in PbTe facilitates valence band convergence and suppresses bipolar thermal transport for high performance

4. Heavy Doping and Band Engineering by Potassium to Improve the Thermoelectric Figure of Merit in p-Type PbTe, PbSe, and PbTe1–ySey

5. High Thermoelectric Figure of Merit in PbTe Alloys Demonstrated in PbTe-CdTe

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