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Volume 33 Issue 1
Jan 2019
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Chinese Journal of High Pressure Physics  > 2019  >  33(1): 011102.
YANG Manman, ZHU Hongyu, LI Hongtao, FAN Haotian, HU Qiang, HU Meihua, LI Shangsheng, SU Taichao. Thermoelectric Properties of PbSe-PbS Solid Solutions Prepared by Mechanical Alloying Method and High Pressure Sintering[J]. Chinese Journal of High Pressure Physics, 2019, 33(1): 011102. doi: 10.11858/gywlxb.20180597
Citation: YANG Manman, ZHU Hongyu, LI Hongtao, FAN Haotian, HU Qiang, HU Meihua, LI Shangsheng, SU Taichao. Thermoelectric Properties of PbSe-PbS Solid Solutions Prepared by Mechanical Alloying Method and High Pressure Sintering[J]. Chinese Journal of High Pressure Physics, 2019, 33(1): 011102. doi: 10.11858/gywlxb.20180597
shu

Thermoelectric Properties of PbSe-PbS Solid Solutions Prepared by Mechanical Alloying Method and High Pressure Sintering

doi: 10.11858/gywlxb.20180597
  • 1.

    Institute of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China

  • 2.

    School of Physics and Electronic Information Engineering, Henan Polytechnic University, Jiaozuo 454000, China

  • 3.

    Shanghai Customs District P.R.China, Shanghai 200135, China

  • Received Date: 14 Jul 2018
  • Rev Recd Date: 12 Aug 2018
    Abstract
  • Lead selenide (PbSe) has received extensive attention in recent years as a non-tellurium thermoelectric material. In this paper, PbSe-PbS solid solution alloys (PbSe1–xSx) were prepared by mechanical alloying combined with high pressure sintering method. The influence of Se/S content on its structure and thermoelectric properties was studied. The results demonstrate that the mechanical alloying method can rapidly synthesize PbSe1–xSx solid solution alloy powder, and achieve rapid densification by high pressure sintering. The electrical transport properties and conductivity type of PbSe1–xSx powder can be controlled by adjusting the Se/S ratio; solid solution alloy can realize short-wave phonon scattering, which significantly reduces the thermal conductivity of PbSe material. When x = 0.5 and the temperature is 600 K, the highest quality factor of PbSe1–xSx is 0.54, which is 64% higher than that of PbSe (0.33@450 K).

     

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