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Lead telluride doped with Au as a very promising material for thermoelectric applications

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2015
Nikolic_2015_Advances-in-Materials-Science-and-Engineering_2015.pdf (2.575Mb)
Authors
Nikolić, Pantelija M.
Paraskevopoulos, Konstantinos M.
Zorba, Triantafyllia T.
Vasiljević, Zorka Ž.
Pavlidou, Eleni
Vujatović, Stevan S.
Blagojevic, Vladimir
Aleksić, Obrad S.
Bojičić, Aleksandar I.
Nikolić, Maria Vesna
Article (Published version)
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Abstract
PbTe single crystals doped with monovalent Au or Cu were grown using the Bridgman method. Far infrared reflectivity spectra were measured at room temperature for all samples and plasma minima were registered. These experimental spectra were numerically analyzed and optical parameters were calculated. All the samples of PbTe doped with Au or Cu were of the "n" type. The properties of these compositions were analyzed and compared with PbTe containing other dopants. The samples of PbTe doped with only 3.3 at% Au were the best among the PbTe + Au samples having the lowest plasma frequency and the highest mobility of free carriers-electrons, while PbTe doped with Cu was the opposite. Samples with the lowest Cu concentration of 0.23 at% Cu had the best properties. Thermal diffusivity and electronic transport properties of the same PbTe doped samples were also investigated using a photoacoustic (PA) method with the transmission detection configuration. The results obtained with the far infrar...ed and photoacoustic characterization of PbTe doped samples were compared and discussed. Both methods confirmed that when PbTe was doped with 3.3 at% Au, thermoelectric and electrical properties of this doped semiconductor were both significantly improved, so Au as a dopant in PbTe could be used as a new high quality thermoelectric material. © 2015 Pantelija M. Nikolic et al.

Source:
Advances in Materials Science and Engineering, 2015, 2015, 283782-
Publisher:
  • Hindawi
Funding / projects:
  • Zero- to Three-Dimensional Nanostructures for Application in Electronics and Renewable Energy Sources: Synthesis, Characterization and Processing (RS-45007)
  • Lithium-ion batteries and fuel cells - research and development (RS-45014)

DOI: 10.1155/2015/283782

ISSN: 1687-8434

WoS: 000353152000001

Scopus: 2-s2.0-84928501039
[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_dais_3544
URI
https://dais.sanu.ac.rs/123456789/3544
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Nikolić, Pantelija M.
AU  - Paraskevopoulos, Konstantinos M.
AU  - Zorba, Triantafyllia T.
AU  - Vasiljević, Zorka Ž.
AU  - Pavlidou, Eleni
AU  - Vujatović, Stevan S.
AU  - Blagojevic, Vladimir
AU  - Aleksić, Obrad S.
AU  - Bojičić, Aleksandar I.
AU  - Nikolić, Maria Vesna
PY  - 2015
UR  - https://dais.sanu.ac.rs/123456789/3544
AB  - PbTe single crystals doped with monovalent Au or Cu were grown using the Bridgman method. Far infrared reflectivity spectra were measured at room temperature for all samples and plasma minima were registered. These experimental spectra were numerically analyzed and optical parameters were calculated. All the samples of PbTe doped with Au or Cu were of the "n" type. The properties of these compositions were analyzed and compared with PbTe containing other dopants. The samples of PbTe doped with only 3.3 at% Au were the best among the PbTe + Au samples having the lowest plasma frequency and the highest mobility of free carriers-electrons, while PbTe doped with Cu was the opposite. Samples with the lowest Cu concentration of 0.23 at% Cu had the best properties. Thermal diffusivity and electronic transport properties of the same PbTe doped samples were also investigated using a photoacoustic (PA) method with the transmission detection configuration. The results obtained with the far infrared and photoacoustic characterization of PbTe doped samples were compared and discussed. Both methods confirmed that when PbTe was doped with 3.3 at% Au, thermoelectric and electrical properties of this doped semiconductor were both significantly improved, so Au as a dopant in PbTe could be used as a new high quality thermoelectric material. © 2015 Pantelija M. Nikolic et al.
PB  - Hindawi
T2  - Advances in Materials Science and Engineering
T1  - Lead telluride doped with Au as a very promising material for thermoelectric applications
SP  - 283782
VL  - 2015
DO  - 10.1155/2015/283782
UR  - https://hdl.handle.net/21.15107/rcub_dais_3544
ER  - 
@article{
author = "Nikolić, Pantelija M. and Paraskevopoulos, Konstantinos M. and Zorba, Triantafyllia T. and Vasiljević, Zorka Ž. and Pavlidou, Eleni and Vujatović, Stevan S. and Blagojevic, Vladimir and Aleksić, Obrad S. and Bojičić, Aleksandar I. and Nikolić, Maria Vesna",
year = "2015",
abstract = "PbTe single crystals doped with monovalent Au or Cu were grown using the Bridgman method. Far infrared reflectivity spectra were measured at room temperature for all samples and plasma minima were registered. These experimental spectra were numerically analyzed and optical parameters were calculated. All the samples of PbTe doped with Au or Cu were of the "n" type. The properties of these compositions were analyzed and compared with PbTe containing other dopants. The samples of PbTe doped with only 3.3 at% Au were the best among the PbTe + Au samples having the lowest plasma frequency and the highest mobility of free carriers-electrons, while PbTe doped with Cu was the opposite. Samples with the lowest Cu concentration of 0.23 at% Cu had the best properties. Thermal diffusivity and electronic transport properties of the same PbTe doped samples were also investigated using a photoacoustic (PA) method with the transmission detection configuration. The results obtained with the far infrared and photoacoustic characterization of PbTe doped samples were compared and discussed. Both methods confirmed that when PbTe was doped with 3.3 at% Au, thermoelectric and electrical properties of this doped semiconductor were both significantly improved, so Au as a dopant in PbTe could be used as a new high quality thermoelectric material. © 2015 Pantelija M. Nikolic et al.",
publisher = "Hindawi",
journal = "Advances in Materials Science and Engineering",
title = "Lead telluride doped with Au as a very promising material for thermoelectric applications",
pages = "283782",
volume = "2015",
doi = "10.1155/2015/283782",
url = "https://hdl.handle.net/21.15107/rcub_dais_3544"
}
Nikolić, P. M., Paraskevopoulos, K. M., Zorba, T. T., Vasiljević, Z. Ž., Pavlidou, E., Vujatović, S. S., Blagojevic, V., Aleksić, O. S., Bojičić, A. I.,& Nikolić, M. V.. (2015). Lead telluride doped with Au as a very promising material for thermoelectric applications. in Advances in Materials Science and Engineering
Hindawi., 2015, 283782.
https://doi.org/10.1155/2015/283782
https://hdl.handle.net/21.15107/rcub_dais_3544
Nikolić PM, Paraskevopoulos KM, Zorba TT, Vasiljević ZŽ, Pavlidou E, Vujatović SS, Blagojevic V, Aleksić OS, Bojičić AI, Nikolić MV. Lead telluride doped with Au as a very promising material for thermoelectric applications. in Advances in Materials Science and Engineering. 2015;2015:283782.
doi:10.1155/2015/283782
https://hdl.handle.net/21.15107/rcub_dais_3544 .
Nikolić, Pantelija M., Paraskevopoulos, Konstantinos M., Zorba, Triantafyllia T., Vasiljević, Zorka Ž., Pavlidou, Eleni, Vujatović, Stevan S., Blagojevic, Vladimir, Aleksić, Obrad S., Bojičić, Aleksandar I., Nikolić, Maria Vesna, "Lead telluride doped with Au as a very promising material for thermoelectric applications" in Advances in Materials Science and Engineering, 2015 (2015):283782,
https://doi.org/10.1155/2015/283782 .,
https://hdl.handle.net/21.15107/rcub_dais_3544 .

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