Skip to main content Accessibility help
×
Home

Effect of spark plasma sintering temperature on thermoelectric properties of Bi2S3 polycrystal

  • Zhen-Hua Ge (a1), Bo-Ping Zhang (a1), Zhao-Xin Yu (a1) and Jing-Feng Li (a2)

Abstract

Bismuth sulfide (Bi2S3) polycrystalline bulks with a high relative density (>90%) were fabricated by combining mechanical alloying (MA) and spark plasma sintering (SPS). The microstructural and thermoelectric (TE) properties were investigated with a special emphasis on the influence of SPS temperature. The components (Bi/S ratio), grain size, and relative density of Bi2S3 bulk are sensitive to the SPS temperature, which all affect the electrical transport properties of samples. Elevating SPS temperature results in grain growth, densification, and spontaneous texturing, which benefit to enhance TE properties, whereas overheating leads to severe volatilization of both S and Bi and formation of porous microstructure. The highest figure of merit value reaches 0.22 at 573 K for the Bi2S3 sample obtained by applying SPS at 673 K for 5 min, which is the maximum value reported so far in bulk Bi2S3 system. The enhanced TE property of cheap and environmental friendly Bi2S3 material indicates a great promise in TE devices.

Copyright

Corresponding author

a)Address all correspondence to this author. e-mail: bpzhang@ustb.edu.cn

References

Hide All
1.Snyder, G.J. and Toberer, E.S.: Complex thermoelectric materials. Nat. Mater. 7, 105 (2008).
2.Chen, G., Dresselhaus, M.S., Fleurial, J.P., and Caillat, T.: Recent developments in thermoelectric materials. Int. Mater. Rev. 48, 1 (2003).
3.Li, J.F., Liu, W.S., Zhao, L.D., and Zhou, M.: High-performance nanostructured thermoelectric materials. NPG Asia Mater. 2(4), 152 (2010).
4.Stordeur, M.and Rowe, D.M. (Ed.): CRC Handbook of Thermoelectrics (CRC Press, Boca Raton, FL, 1995).
5.Chen, B., Uher, C., Iordanidis, L., and Kanatzidis, M.G.: Transport properties of Bi2S3 and the ternary bismuth sulfides KBi6.33S10 and K2Bi8S13. Chem. Mater. 9, 1655 (1997).
6.Mizoguchi, H., Hosono, H., Ueda, N., and Kawazoe, H.: Preparation and electrical properties of Bi2S3 whiskers. J. Appl. Phys. 78, 1376 (1995).
7.Liufu, S.C., Chen, L.D., Yao, Q., and Wang, C.F.: Assembly of one-dimensional nanorods into Bi2S3 films with enhanced thermoelectric transport properties. Appl. Phys. Lett. 90, 112106 (2007).
8.Zhao, L.D., Zhang, B.P., Liu, W.S., Zhang, H.L., and Li, J.F.: Effect of mixed grain sizes on thermoelectric performance of Bi2Te3 compound. J. Appl. Phys. 105, 023704 (2009).
9.Ge, Z.H., Zhang, B.P., Shang, P.P., Yu, Y.Q., Chen, C., and Li, J.F.: Enhancing thermoelectric properties of polycrystalline Bi2S3 by optimizing a ball-milling process. J. Electron. Mater. 40(5), 1087 (2011).
10.Zhao, L.D., Zhang, B.P., Liu, W.S., Zhang, H.L., and Li, J.F.: Enhanced thermoelectric properties of bismuth sulfide polycrystals prepared by mechanical alloying and spark plasma sintering. J. Solid State Chem. 181, 3278 (2008).
11.Grigas, J., Talik, E., and Lazauskas, V.: X-ray photoelecton spectra and electronic structure of Bi2S3 crystals. Phys. Status Solidi B 232, 189 (2002).
12.Shaban, H.T., Nassary, M.M. and El-Sadek, M.S.: Transport properties of Bi2S3 single crystals. Physica B 403, 1655 (2008).
13.Zhao, L.D., Zhang, B.P., Liu, W.S., Zhang, H.L., and Li, J.F.: Enhanced thermoelectric and mechanical properties in textured n-type Bi2Te3 prepared by spark plasma sintering. Solid State Sci. 10, 651 (2008).
14.Fine, M.E. and Hsieh, N.: Wiedemann–Franz–Lorenz relation in highly electronic-conducting oxides. J. Am. Ceram. Soc. 57, 502 (1974).
15.Kobayshi, T., Ogawa, R., Miyazawa, K., and Kuwabara, M.: Fabrication of β-BaB2O4 thin films with (00 l) preferred orientation through the chemical solution deposition technique. J. Mater. Res. 17, 844 (2002).

Keywords

Related content

Powered by UNSILO

Effect of spark plasma sintering temperature on thermoelectric properties of Bi2S3 polycrystal

  • Zhen-Hua Ge (a1), Bo-Ping Zhang (a1), Zhao-Xin Yu (a1) and Jing-Feng Li (a2)

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed.