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 journalArticle

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(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.

Original languageEnglish
Pages (from-to)15342-15347
Number of pages6
JournalJournal of Materials Chemistry A
Volume1
Issue number48
DOIs
Publication statusPublished - 2013 Dec 28

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Transport properties
Alloying
Thermal conductivity
Substitution reactions
Hot Temperature

ASJC Scopus subject areas

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

Cite this

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 journalArticle

Jeong, M, Lim, YS, Seo, WS, Lee, JH, Park, CH, Sznajder, M, Kharkhalis, LY, Bercha, DM & Yang, J 2013, 'Condenson-related thermoelectric properties and formation of coherent nanoinclusions in Te-substituted In4Se3 compounds', Journal of Materials Chemistry A, vol. 1, no. 48, pp. 15342-15347. https://doi.org/10.1039/c3ta12408h
Jeong, Mahn ; Lim, Young Soo ; Seo, Won Seon ; Lee, Jong Heun ; Park, Cheol Hee ; Sznajder, Malgorzata ; Kharkhalis, Lyubov Yu ; Bercha, Dariya M. ; Yang, Jihui. / Condenson-related thermoelectric properties and formation of coherent nanoinclusions in Te-substituted In4Se3 compounds. In: Journal of Materials Chemistry A. 2013 ; Vol. 1, No. 48. pp. 15342-15347.
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AU - Sznajder, Malgorzata

AU - Kharkhalis, Lyubov Yu

AU - Bercha, Dariya M.

AU - Yang, Jihui

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