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Royal Society of Chemistry, Journal of Materials Chemistry A: materials for energy and sustainability, 22(1), p. 6553, 2013

DOI: 10.1039/c3ta11264k

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Co3M2S2 (M = Sn, In) Shandites as Tellurium-Free Thermoelectrics

Journal article published in 2013 by Jack Corps, Paz Vaqueiro ORCID, Anthony V. Powell
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Chemical substitution in Co3Sn2-xInxS2 (0 ≤ x ≤ 2) enables tuning of the Fermi level within narrow bands of Co d-states. This results in a compositionally-induced double metal-semiconductor-metal transition and manipulation of the thermoelectric power factor. The maximum power factor (14 μW cm-1 K-2) is found for x = 0.85, which corresponds to ZT ≈ 0.2 at 300 K.