Flux synthesis of new multinary bismuth chalcogenides and their thermoelectric properties

Duck Young Chung; Kyoung Shin Choi; Paul W. Brazis; Carl R. Kannewurf; Mercouri G. Kanatzidis

Flux synthesis of new multinary bismuth chalcogenides and their thermoelectric properties

Duck Young Chung^*, Kyoung Shin Choi, Paul W. Brazis, Carl R. Kannewurf, Mercouri G. Kanatzidis

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Conference article › peer-review

5 Scopus citations

Abstract

We present the synthesis and structure of the new chalcogenide compounds, Rb_0.5Bi_1.83Te₃, APb₂Bi₃Te₇ (A = Cs, Rb), K_1.25Pb_3.50Bi_7.25Se₁₅ and A_1+xPb_4-2xSb_7+xSe₁₅ (A = K, Rb). The layered structures of the first two telluride compounds are related to each other in a very interesting fashion. These compounds are n-type metallic conductors and solid solutions with Se and Sb have also been synthesized. K_1.25Pb_3.50Bi_7.25Se_1.5 and its Sb analogs have a complex three-dimensional structure composed of NaCl- and Bi₂Te₃-type building units. The thermal stability, melting behavior, electrical conductivity and thermopower of these compounds are reported.

Original language	English (US)
Pages (from-to)	65-74
Number of pages	10
Journal	Materials Research Society Symposium - Proceedings
Volume	545
State	Published - Jan 1 1999
Event	Proceedings of the 1998 MRS Fall Meeting - The Symposium 'Advanced Catalytic Materials-1998' - Boston, MA, USA Duration: Nov 30 1998 → Dec 3 1998

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Cite this

@article{02ce012e7a5c49d4ae56573801132aae,

title = "Flux synthesis of new multinary bismuth chalcogenides and their thermoelectric properties",

abstract = "We present the synthesis and structure of the new chalcogenide compounds, Rb0.5Bi1.83Te3, APb2Bi3Te7 (A = Cs, Rb), K1.25Pb3.50Bi7.25Se15 and A1+xPb4-2xSb7+xSe15 (A = K, Rb). The layered structures of the first two telluride compounds are related to each other in a very interesting fashion. These compounds are n-type metallic conductors and solid solutions with Se and Sb have also been synthesized. K1.25Pb3.50Bi7.25Se1.5 and its Sb analogs have a complex three-dimensional structure composed of NaCl- and Bi2Te3-type building units. The thermal stability, melting behavior, electrical conductivity and thermopower of these compounds are reported.",

author = "Chung, {Duck Young} and Choi, {Kyoung Shin} and Brazis, {Paul W.} and Kannewurf, {Carl R.} and Kanatzidis, {Mercouri G.}",

year = "1999",

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language = "English (US)",

volume = "545",

pages = "65--74",

journal = "Materials Research Society Symposium - Proceedings",

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note = "Proceedings of the 1998 MRS Fall Meeting - The Symposium 'Advanced Catalytic Materials-1998' ; Conference date: 30-11-1998 Through 03-12-1998",

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TY - JOUR

T1 - Flux synthesis of new multinary bismuth chalcogenides and their thermoelectric properties

AU - Chung, Duck Young

AU - Choi, Kyoung Shin

AU - Brazis, Paul W.

AU - Kannewurf, Carl R.

AU - Kanatzidis, Mercouri G.

PY - 1999/1/1

Y1 - 1999/1/1

N2 - We present the synthesis and structure of the new chalcogenide compounds, Rb0.5Bi1.83Te3, APb2Bi3Te7 (A = Cs, Rb), K1.25Pb3.50Bi7.25Se15 and A1+xPb4-2xSb7+xSe15 (A = K, Rb). The layered structures of the first two telluride compounds are related to each other in a very interesting fashion. These compounds are n-type metallic conductors and solid solutions with Se and Sb have also been synthesized. K1.25Pb3.50Bi7.25Se1.5 and its Sb analogs have a complex three-dimensional structure composed of NaCl- and Bi2Te3-type building units. The thermal stability, melting behavior, electrical conductivity and thermopower of these compounds are reported.

AB - We present the synthesis and structure of the new chalcogenide compounds, Rb0.5Bi1.83Te3, APb2Bi3Te7 (A = Cs, Rb), K1.25Pb3.50Bi7.25Se15 and A1+xPb4-2xSb7+xSe15 (A = K, Rb). The layered structures of the first two telluride compounds are related to each other in a very interesting fashion. These compounds are n-type metallic conductors and solid solutions with Se and Sb have also been synthesized. K1.25Pb3.50Bi7.25Se1.5 and its Sb analogs have a complex three-dimensional structure composed of NaCl- and Bi2Te3-type building units. The thermal stability, melting behavior, electrical conductivity and thermopower of these compounds are reported.

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M3 - Conference article

AN - SCOPUS:0032591252

SN - 0272-9172

VL - 545

SP - 65

EP - 74

JO - Materials Research Society Symposium - Proceedings

JF - Materials Research Society Symposium - Proceedings

T2 - Proceedings of the 1998 MRS Fall Meeting - The Symposium 'Advanced Catalytic Materials-1998'

Y2 - 30 November 1998 through 3 December 1998

ER -

Flux synthesis of new multinary bismuth chalcogenides and their thermoelectric properties

Abstract

ASJC Scopus subject areas

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