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Synthesis and Thermoelectric Properties of Cs2Bi7.33Se12, A2Bi8Se13 (A = Rb, Cs), Ba4-xBi6+2/3xSe13, and Ba3±xPb3±xBi6Se15

Published online by Cambridge University Press:  10 February 2011

Lykourgos Iordanidis ,
Paul W. Brazis ,
Carl R. Kannewurf  and
Mercouri G. Kanatzidis
Lykourgos Iordanidis
Affiliation:
Department of Chemistry and Center for Fundamental Materials Research, Michigan State University, East Lansing, MI 48824.
Paul W. Brazis
Affiliation:
Department of Electrical Engineering and Computer Science, Northwestern University, Evanston, IL 60208.
Carl R. Kannewurf
Affiliation:
Department of Electrical Engineering and Computer Science, Northwestern University, Evanston, IL 60208.
Mercouri G. Kanatzidis
Affiliation:
Department of Chemistry and Center for Fundamental Materials Research, Michigan State University, East Lansing, MI 48824.
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Abstract

We are continuing our synthetic investigations in the ternary A/Bi/Se systems and also expanded our interests into the quaternary A/M/Bi/Se (A = Rb, Cs, Sr and Ba; M = lanthanide or Pb) systems. We have synthesized several new ternary and quaternary bismuth selenides with band gaps <0.6eV such as Cs2Bi7.33Se12, A2Bi8Se13 (A = Rb, Cs), Ba4-xBi6+2/3xSe13, and Ba3±xPb3±xBi6Se15. The synthesis, crystal structures and charge transports properties of these new compounds are presented.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 545: Symposium Z – Thermoelectric Materials 1998 - The Next Generation… , 1998 , 189
Copyright
Copyright © Materials Research Society 1999

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