<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In this paper, hydrothermal approach combined with high pressure sintering method was employed to synthesize PbS. The X-ray diffraction results show that single phase PbS can be obtained by a simple hydrothermal method. The scanning electron microscope results show that the PbS sample has nearly cubic shape and preserves well crystallized and coarse grains after high pressure sintering. The thermoelectric performance of PbS obtained in this study is comparable to that of a PbS sample prepared by conventional method. The carrier type and concentration of PbS can be tuned effectively by doping with Bi. The maximum figure of merit for PbS doped with 1 mol% Bi reaches 0.44 at 550 K, which is about 30 % higher than that of undoped PbS. These results indicate that hydrothermal method provides a viable and controllable way of tuning the electrical transport and thermoelectric properties for PbS.</p></abstract>

In this paper, hydrothermal approach combined with high pressure sintering method was employed to synthesize PbS. The X-ray diffraction results show that single phase PbS can be obtained by a simple hydrothermal method. The scanning electron microscope results show that the PbS sample has nearly cubic shape and preserves well crystallized and coarse grains after high pressure sintering. The thermoelectric performance of PbS obtained in this study is comparable to that of a PbS sample prepared by conventional method. The carrier type and concentration of PbS can be tuned effectively by doping with Bi. The maximum figure of merit for PbS doped with 1 mol% Bi reaches 0.44 at 550 K, which is about 30 % higher than that of undoped PbS. These results indicate that hydrothermal method provides a viable and controllable way of tuning the electrical transport and thermoelectric properties for PbS.

Hydrothermal synthesis and thermoelectric properties of PbS

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

School of Physics and Chemistry, Henan Polytechnic University, Jiaozuo, 454000,

Shanghai Entry-Exit Inspection & Quarantine Bureau, Shanghai, 200135,

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Hydrothermal synthesis and thermoelectric properties of PbS"}

In this paper, hydrothermal approach combined with high pressure sintering method was employed to synthesize PbS. The X-ray diffraction results show that...

Hydrothermal synthesis and thermoelectric properties of PbS

Publicado en línea: 19 nov 2016

Páginas: 754 - 759

Recibido: 24 ene 2016

Aceptado: 28 ago 2016

DOI: https://doi.org/10.1515/msp-2016-0098

Palabras clave
PbS, hydrothermal approach, thermoelectric performance, high pressure

© Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Hydrothermal synthesis and thermoelectric properties of PbS

Publicado en línea: 19 nov 2016

Páginas: 754 - 759

Recibido: 24 ene 2016

Aceptado: 28 ago 2016

DOI: https://doi.org/10.1515/msp-2016-0098

Palabras clavePbS, hydrothermal approach, thermoelectric performance, high pressure

© Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Palabras clave
PbS, hydrothermal approach, thermoelectric performance, high pressure