Significant Influences of Co-Doping Ag and Sb on Electrical Properties and Thermoelectric Applications of AgPbmSbTem+2 Compounds Synthesized Using Solid State Microwave Technique

Arshad Hmood; Arej Kadhim; H.A. Hassan

doi:10.4028/www.scientific.net/MSF.819.193

Paper Titles

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Effects of Annealing on the Properties of Copper Oxide Thin Films
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Significant Influences of Co-Doping Ag and Sb on Electrical Properties and Thermoelectric Applications of AgPb_mSbTe_m+2 Compounds Synthesized Using Solid State Microwave Technique
p.193

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HomeMaterials Science ForumMaterials Science Forum Vol. 819Significant Influences of Co-Doping Ag and Sb on...

Significant Influences of Co-Doping Ag and Sb on Electrical Properties and Thermoelectric Applications of AgPb_mSbTe_m+2 Compounds Synthesized Using Solid State Microwave Technique

Abstract:

In this paper we reported the electrical conductivity and thermoelectric characterization of silver (Ag) and antimony (Sb) co-doped lead telluride bulk materials, which have been synthesized using solid state microwave technique. The doping level has performed first-principle calculations for the AgPb_mSbTe_m+2(LAST-m) (m = 0, 2, 4, 6, 8 and 10) to clarify the effect of simultaneous doping of Ag and Sb on PbTe. The Hall effect and thermoelectric measurements have shown n-type conductivity in AgPb_mSbTe_m+2samples. The samples show large and negative values of the Seebeck coefficient and moderate electrical conductivity. The Seebeck coefficient increased with doping levels increases at m=0 to 10. The value of the Seebeck coefficient is −419.69 μVK⁻¹ for AgPb₈SbTe₁₀ at 338 K. It has been found that AgPb₈SbTe₁₀ sample has a higher thermoelectric power factor 1.87 mW K^-2 m^-1at 310 K.

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Materials Science Forum (Volume 819)

Pages:

193-197

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.819.193

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Online since:

June 2015

Authors:

Arshad Hmood*, Arej Kadhim, H.A. Hassan

Keywords:

Antimony (Sb) Co-Doping, Electrical Properties, Power Factor, Seebeck Coefficient, Silver (Ag) Co-Doping, Thermoelectric Materials

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