Thermoelectric properties of compacted Bi2-xSb xTe3 nanoplatelets with nominal composition of x = 1.5

Chia Jyi Liu; Gao Jhih Liu; Yen Liang Liu; Liang Ru Chen

doi:10.1063/1.4731507

Thermoelectric properties of compacted Bi_2-xSb _xTe₃ nanoplatelets with nominal composition of x = 1.5

Chia Jyi Liu, Gao Jhih Liu, Yen Liang Liu, Liang Ru Chen

Department of Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

Nanoplatelets of Bi_2-xSb_xTe₃ with nominal composition of x = 1.5 are synthesized using hydrothermal methods. The resulting powders are cold pressed and sintered in an evacuated and encapsulated ampoule at 340°C. Scanning electron microscope atomic force microscope, and transmission electron microscope are used to observe the microstructure of nanoplatelets and consolidated Bi_0.5Sb_1.5Te₃. The consolidated Bi_0.5Sb_1.5Te₃ is in fact nanostructured bulk. The power factor and thermal conductivity are 11.6 μW/cm-K² and 0.37 W/m K at 295 K, respectively. The small thermal conductivity could be largely attributed to its nanostructured nature of the consolidated bulk. The resulting dimensionless figure of merit ZT is 0.93 at 295 K.

Original language	English
Title of host publication	9th European Conference on Thermoelectrics, ECT 2011
Pages	103-106
Number of pages	4
DOIs	https://doi.org/10.1063/1.4731507
Publication status	Published - 2012 Dec 1
Event	9th European Conference on Thermoelectrics, ECT 2011 - Thessaloniki, Greece Duration: 2011 Sep 28 → 2011 Sep 30

Publication series

Name	AIP Conference Proceedings
Volume	1449
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	9th European Conference on Thermoelectrics, ECT 2011
Country	Greece
City	Thessaloniki
Period	11-09-28 → 11-09-30

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1063/1.4731507

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Liu, C. J., Liu, G. J., Liu, Y. L., & Chen, L. R. (2012). Thermoelectric properties of compacted Bi_2-xSb _xTe₃ nanoplatelets with nominal composition of x = 1.5. In 9th European Conference on Thermoelectrics, ECT 2011 (pp. 103-106). (AIP Conference Proceedings; Vol. 1449). https://doi.org/10.1063/1.4731507

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title = "Thermoelectric properties of compacted Bi2-xSb xTe3 nanoplatelets with nominal composition of x = 1.5",

abstract = "Nanoplatelets of Bi2-xSbxTe3 with nominal composition of x = 1.5 are synthesized using hydrothermal methods. The resulting powders are cold pressed and sintered in an evacuated and encapsulated ampoule at 340°C. Scanning electron microscope atomic force microscope, and transmission electron microscope are used to observe the microstructure of nanoplatelets and consolidated Bi0.5Sb1.5Te3. The consolidated Bi0.5Sb1.5Te3 is in fact nanostructured bulk. The power factor and thermal conductivity are 11.6 μW/cm-K2 and 0.37 W/m K at 295 K, respectively. The small thermal conductivity could be largely attributed to its nanostructured nature of the consolidated bulk. The resulting dimensionless figure of merit ZT is 0.93 at 295 K.",

author = "Liu, {Chia Jyi} and Liu, {Gao Jhih} and Liu, {Yen Liang} and Chen, {Liang Ru}",

year = "2012",

month = dec,

day = "1",

doi = "10.1063/1.4731507",

language = "English",

isbn = "9780735410480",

series = "AIP Conference Proceedings",

pages = "103--106",

booktitle = "9th European Conference on Thermoelectrics, ECT 2011",

note = "9th European Conference on Thermoelectrics, ECT 2011 ; Conference date: 28-09-2011 Through 30-09-2011",

}

Liu, CJ, Liu, GJ, Liu, YL & Chen, LR 2012, Thermoelectric properties of compacted Bi_2-xSb _xTe₃ nanoplatelets with nominal composition of x = 1.5. in 9th European Conference on Thermoelectrics, ECT 2011. AIP Conference Proceedings, vol. 1449, pp. 103-106, 9th European Conference on Thermoelectrics, ECT 2011, Thessaloniki, Greece, 11-09-28. https://doi.org/10.1063/1.4731507

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AU - Liu, Gao Jhih

AU - Liu, Yen Liang

AU - Chen, Liang Ru

PY - 2012/12/1

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N2 - Nanoplatelets of Bi2-xSbxTe3 with nominal composition of x = 1.5 are synthesized using hydrothermal methods. The resulting powders are cold pressed and sintered in an evacuated and encapsulated ampoule at 340°C. Scanning electron microscope atomic force microscope, and transmission electron microscope are used to observe the microstructure of nanoplatelets and consolidated Bi0.5Sb1.5Te3. The consolidated Bi0.5Sb1.5Te3 is in fact nanostructured bulk. The power factor and thermal conductivity are 11.6 μW/cm-K2 and 0.37 W/m K at 295 K, respectively. The small thermal conductivity could be largely attributed to its nanostructured nature of the consolidated bulk. The resulting dimensionless figure of merit ZT is 0.93 at 295 K.

AB - Nanoplatelets of Bi2-xSbxTe3 with nominal composition of x = 1.5 are synthesized using hydrothermal methods. The resulting powders are cold pressed and sintered in an evacuated and encapsulated ampoule at 340°C. Scanning electron microscope atomic force microscope, and transmission electron microscope are used to observe the microstructure of nanoplatelets and consolidated Bi0.5Sb1.5Te3. The consolidated Bi0.5Sb1.5Te3 is in fact nanostructured bulk. The power factor and thermal conductivity are 11.6 μW/cm-K2 and 0.37 W/m K at 295 K, respectively. The small thermal conductivity could be largely attributed to its nanostructured nature of the consolidated bulk. The resulting dimensionless figure of merit ZT is 0.93 at 295 K.

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