Synthesis, crystal structure and thermoelectric properties of β-K 2Bi 8Se 13 solid solutions

Theodora Kyratsi, Duck Young Chung, Jeff S. Dyck, Ctirad Uher, Sangeeta Lal, Sim Loo, Tim Hogan, John Ireland, Carl R. Kannewurf, Evripides Hatzikraniotis, Konstantinos M. Paraskevopoulos, Mercouri G Kanatzidis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

Solid solution series of the type K 2Bi 8-xSb xSe 13, K 2-xRb xBi 8Se 13 as well as K 2B 18Se 13-xS x were prepared and the distribution of the atoms (Bi/Sb, K/Rb and Se/S) on different crystallographic sites, the band gaps and their thermoelectric properties were studied. The distribution Se/S appears to be more uniform than the distribution of the Sb and Rb atoms in the β-K 2B 18Se 13 structure that shows preference in specific sites in the lattice. Band gap is mainly affected by Sb and S substitution. Seebeck coefficient measurements showed n-type character for all Se/S members. In the Bi/Sb series an enhancement of p-type character was observed. The thermoelectric performance as well as preliminary high temperature measurements suggest the potential of these materials for high temperature applications.

Original languageEnglish
Title of host publicationMaterials Research Society Symposium - Proceedings
EditorsG.S. Nolas, J. Yang, T.P. Hogan, D.C. Johnson
Pages359-364
Number of pages6
Volume793
Publication statusPublished - 2003
EventThermoelectric Materials 2003 - Research and Applications - Boston, MA., United States
Duration: Dec 1 2003Dec 3 2003

Other

OtherThermoelectric Materials 2003 - Research and Applications
CountryUnited States
CityBoston, MA.
Period12/1/0312/3/03

Fingerprint

Solid solutions
Energy gap
Crystal structure
Atoms
High temperature applications
Seebeck coefficient
Temperature measurement
Substitution reactions

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Kyratsi, T., Chung, D. Y., Dyck, J. S., Uher, C., Lal, S., Loo, S., ... Kanatzidis, M. G. (2003). Synthesis, crystal structure and thermoelectric properties of β-K 2Bi 8Se 13 solid solutions. In G. S. Nolas, J. Yang, T. P. Hogan, & D. C. Johnson (Eds.), Materials Research Society Symposium - Proceedings (Vol. 793, pp. 359-364)

Synthesis, crystal structure and thermoelectric properties of β-K 2Bi 8Se 13 solid solutions. / Kyratsi, Theodora; Chung, Duck Young; Dyck, Jeff S.; Uher, Ctirad; Lal, Sangeeta; Loo, Sim; Hogan, Tim; Ireland, John; Kannewurf, Carl R.; Hatzikraniotis, Evripides; Paraskevopoulos, Konstantinos M.; Kanatzidis, Mercouri G.

Materials Research Society Symposium - Proceedings. ed. / G.S. Nolas; J. Yang; T.P. Hogan; D.C. Johnson. Vol. 793 2003. p. 359-364.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kyratsi, T, Chung, DY, Dyck, JS, Uher, C, Lal, S, Loo, S, Hogan, T, Ireland, J, Kannewurf, CR, Hatzikraniotis, E, Paraskevopoulos, KM & Kanatzidis, MG 2003, Synthesis, crystal structure and thermoelectric properties of β-K 2Bi 8Se 13 solid solutions. in GS Nolas, J Yang, TP Hogan & DC Johnson (eds), Materials Research Society Symposium - Proceedings. vol. 793, pp. 359-364, Thermoelectric Materials 2003 - Research and Applications, Boston, MA., United States, 12/1/03.
Kyratsi T, Chung DY, Dyck JS, Uher C, Lal S, Loo S et al. Synthesis, crystal structure and thermoelectric properties of β-K 2Bi 8Se 13 solid solutions. In Nolas GS, Yang J, Hogan TP, Johnson DC, editors, Materials Research Society Symposium - Proceedings. Vol. 793. 2003. p. 359-364
Kyratsi, Theodora ; Chung, Duck Young ; Dyck, Jeff S. ; Uher, Ctirad ; Lal, Sangeeta ; Loo, Sim ; Hogan, Tim ; Ireland, John ; Kannewurf, Carl R. ; Hatzikraniotis, Evripides ; Paraskevopoulos, Konstantinos M. ; Kanatzidis, Mercouri G. / Synthesis, crystal structure and thermoelectric properties of β-K 2Bi 8Se 13 solid solutions. Materials Research Society Symposium - Proceedings. editor / G.S. Nolas ; J. Yang ; T.P. Hogan ; D.C. Johnson. Vol. 793 2003. pp. 359-364
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