High thermoelectric performance in entropy-driven Ge1−2x−yPbxSnxSbyTe

Animesh Das; Paribesh Acharyya; Subarna Das; Kanishka Biswas

doi:10.1039/d2ta09075a

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High thermoelectric performance in entropy-driven Ge_1−2x−yPb_xSn_xSb_yTe

Animesh Das Paribesh Acharyya Subarna Das Kanishka Biswas

Year: 2023 Journal: Journal of Materials Chemistry A Vol: 11 (24)Pages: 12793-12801 Publisher: Royal Society of Chemistry

DOI: 10.1039/d2ta09075a

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Abstract

An ultrahigh zT of 2.5 at 723 K is achieved in an entropy driven Ge 0.84 Pb 0.025 Sn 0.025 Sb 0.11 Te sample showing a promising output power density (PD max ) of ∼590 mW cm −2 at Δ T = 448 K in a fabricated double leg device.

Keywords:

Materials science Seebeck coefficient Thermoelectric effect Analytical Chemistry (journal) Condensed matter physics Physics Thermodynamics Chemistry

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Advanced Thermoelectric Materials and Devices

Physical Sciences → Materials Science → Materials Chemistry

Phase-change materials and chalcogenides

Physical Sciences → Materials Science → Materials Chemistry

Chalcogenide Semiconductor Thin Films

Physical Sciences → Engineering → Electrical and Electronic Engineering

High thermoelectric performance in entropy-driven Ge_1−2x−yPb_xSn_xSb_yTe

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