Ag9GaSe6: high-pressure-induced Ag migration causes thermoelectric performance irreproducibility and elimination of such instability

Jing-Yuan Liu; Ling Chen; Li-Ming Wu

doi:10.1038/s41467-022-30716-7

Nature Communications (May 2022)

Ag9GaSe6: high-pressure-induced Ag migration causes thermoelectric performance irreproducibility and elimination of such instability

Jing-Yuan Liu,
Ling Chen,
Li-Ming Wu

Affiliations

Jing-Yuan Liu: Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University
Ling Chen: Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University
Li-Ming Wu: Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University

DOI: https://doi.org/10.1038/s41467-022-30716-7
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 10

Abstract

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The Ag9GaSe6 is a high-efficient thermoelectric material yet suffers instability. Here, the authors demonstrate the instability is caused by the pressure-induced liquid-like Ag migration, which can be eliminated by a simple annealing treatment.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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