Condenson-related thermoelectric properties and formation of coherent nanoinclusions in Te-substituted In4Se3 compounds

Mahn Jeong; Young Soo Lim; Won Seon Seo; Jong Heun Lee; Cheol Hee Park; Malgorzata Sznajder; Lyubov Yu Kharkhalis; Dariya M. Bercha; Jihui Yang

doi:10.1039/c3ta12408h

Condenson-related thermoelectric properties and formation of coherent nanoinclusions in Te-substituted In₄Se₃ compounds

Mahn Jeong, Young Soo Lim, Won Seon Seo, Jong Heun Lee, Cheol Hee Park, Malgorzata Sznajder, Lyubov Yu Kharkhalis, Dariya M. Bercha, Jihui Yang

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Thermoelectric transport properties of Te-substituted In₄Se ₃ compounds are presented in terms of the condenson state. Regardless of anionic substitution, the condenson-related charge and thermal transport properties were clearly observed in the anionic substituted In ₄(Se_0.95Te_0.05)_3-δ compound, and the enhanced thermoelectric performances were achieved due to the reduced lattice thermal conductivities by the Te alloying effect. Moreover, almost Te-free nanoinclusions, coherently embedded in the matrix, were discovered in the Te-substituted compounds. Detailed structural and compositional characterizations on the nanoinclusions strongly suggest that there is a certain relationship between the formation of the nanoinclusion and the condenson state, which governs the thermoelectric transport properties in the In ₄Se₃ material system.

Original language	English
Pages (from-to)	15342-15347
Number of pages	6
Journal	Journal of Materials Chemistry A
Volume	1
Issue number	48
DOIs	https://doi.org/10.1039/c3ta12408h
Publication status	Published - 2013 Dec 28

ASJC Scopus subject areas

Chemistry(all)
Renewable Energy, Sustainability and the Environment
Materials Science(all)

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Condenson-related thermoelectric properties and formation of coherent nanoinclusions in Te-substituted In₄Se₃ compounds. / Jeong, Mahn; Lim, Young Soo; Seo, Won Seon; Lee, Jong Heun; Park, Cheol Hee; Sznajder, Malgorzata; Kharkhalis, Lyubov Yu; Bercha, Dariya M.; Yang, Jihui.

In: Journal of Materials Chemistry A, Vol. 1, No. 48, 28.12.2013, p. 15342-15347.

Research output: Contribution to journal › Article › peer-review

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title = "Condenson-related thermoelectric properties and formation of coherent nanoinclusions in Te-substituted In4Se3 compounds",

abstract = "Thermoelectric transport properties of Te-substituted In4Se 3 compounds are presented in terms of the condenson state. Regardless of anionic substitution, the condenson-related charge and thermal transport properties were clearly observed in the anionic substituted In 4(Se0.95Te0.05)3-δ compound, and the enhanced thermoelectric performances were achieved due to the reduced lattice thermal conductivities by the Te alloying effect. Moreover, almost Te-free nanoinclusions, coherently embedded in the matrix, were discovered in the Te-substituted compounds. Detailed structural and compositional characterizations on the nanoinclusions strongly suggest that there is a certain relationship between the formation of the nanoinclusion and the condenson state, which governs the thermoelectric transport properties in the In 4Se3 material system.",

author = "Mahn Jeong and Lim, {Young Soo} and Seo, {Won Seon} and Lee, {Jong Heun} and Park, {Cheol Hee} and Malgorzata Sznajder and Kharkhalis, {Lyubov Yu} and Bercha, {Dariya M.} and Jihui Yang",

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AU - Jeong, Mahn

AU - Lim, Young Soo

AU - Seo, Won Seon

AU - Lee, Jong Heun

AU - Park, Cheol Hee

AU - Sznajder, Malgorzata

AU - Kharkhalis, Lyubov Yu

AU - Bercha, Dariya M.

AU - Yang, Jihui

PY - 2013/12/28

Y1 - 2013/12/28

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AB - Thermoelectric transport properties of Te-substituted In4Se 3 compounds are presented in terms of the condenson state. Regardless of anionic substitution, the condenson-related charge and thermal transport properties were clearly observed in the anionic substituted In 4(Se0.95Te0.05)3-δ compound, and the enhanced thermoelectric performances were achieved due to the reduced lattice thermal conductivities by the Te alloying effect. Moreover, almost Te-free nanoinclusions, coherently embedded in the matrix, were discovered in the Te-substituted compounds. Detailed structural and compositional characterizations on the nanoinclusions strongly suggest that there is a certain relationship between the formation of the nanoinclusion and the condenson state, which governs the thermoelectric transport properties in the In 4Se3 material system.

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