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Preparation and thermoelectric properties of AgPbmSbTe2+m alloys

Cai, K. F. and Yan, C. and He, Z. M. and Cui, J. L. and Stiewe, C. and Müller, E. and Li, H. (2009) Preparation and thermoelectric properties of AgPbmSbTe2+m alloys. Journal of Alloys and Compounds, 469 (1-2), pp. 499-503. DOI: 10.1016/j.jallcom.2008.02.040.

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Abstract

Hydrothermally synthesized AgPbmSbTe2+m (m = 10–18) nanopowders were pressure-less sintered at 450–480 °C for 5 h in Ar. The samples show large positive Seebeck coefficient but low electrical conductivity and the AgPb18SbTe20 sample shows higher power factors. The hot pressed AgPb10SbTe12 sample was highly densified with grain size down to nanoscale, and the sample has inhomogeneous Seebeck coefficient. Obviously different thermoelectric properties have been observed for the AgPb18SbTe20 samples compacted with pressure-less sintering and spark plasma sintering.

Document Type:Article
Title:Preparation and thermoelectric properties of AgPbmSbTe2+m alloys
Authors:
AuthorsInstitution or Email of Authors
Cai, K. F.Tongji University, Functional Materials Research Laboratory, Shanghai 200092, China
Yan, C.Tongji University, Functional Materials Research Laboratory, Shanghai 200092, China
He, Z. M.German Aerospace Center, Institute of Materials Research, Köln, Germany
Cui, J. L.School of Mechanical Engineering, Ningbo University of Technology, Ningbo 315016, China
Stiewe, C.German Aerospace Center, Institute of Materials Research, Köln, Germany
Müller, E.German Aerospace Center, Institute of Materials Research, Köln, Germany
Li, H.Tongji University, Functional Materials Research Laboratory, Shanghai 200092, China
Date:5 February 2009
Journal or Publication Title:Journal of Alloys and Compounds
Refereed publication:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:469
DOI:10.1016/j.jallcom.2008.02.040
Page Range:pp. 499-503
Status:Published
Keywords:Semiconductors; Chemical synthesis; Sintering; Electronic transport; Thermoelectric
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:E SF - Solar research (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Applikationsentwicklung (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Thermoelectric Materials and Systems
Deposited By: Dr. Knud Zabrocki
Deposited On:24 Nov 2009 16:42
Last Modified:04 Apr 2013 16:17

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