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

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4 Citations (Scopus)


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
Issue number48
Publication statusPublished - 2013 Dec 28

ASJC Scopus subject areas

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


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