Frontiers of Optoelectronics

, Volume 10, Issue 1, pp 18–30 | Cite as

Characterization of basic physical properties of Sb2Se3 and its relevance for photovoltaics

  • Chao Chen
  • David C. Bobela
  • Ye Yang
  • Shuaicheng Lu
  • Kai Zeng
  • Cong Ge
  • Bo Yang
  • Liang Gao
  • Yang Zhao
  • Matthew C. Beard
  • Jiang Tang
Research Article

Abstract

Antimony selenide (Sb2Se3) is a promising absorber material for thin film photovoltaics because of its attractive material, optical and electrical properties. In recent years, the power conversion efficiency (PCE) of Sb2Se3 thin film solar cells has gradually enhanced to 5.6%. In this article, we systematically studied the basic physical properties of Sb2Se3 such as dielectric constant, anisotropic mobility, carrier lifetime, diffusion length, defect depth, defect density and optical band tail states.We believe such a comprehensive characterization of the basic physical properties of Sb2Se3 lays a solid foundation for further optimization of solar device performance.

Keywords

antimony selenide (Sb2Se3mobility lifetime diffusion length defects 

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Notes

Acknowledgements

This work was supported by the National Key Research and Development Program of China (No. 2016YFA0204000), the National Natural Science Foundation of China (NSFC) (Grant Nos. 61322401 and 91433105), the Special Fund for Strategic New Development of Shenzhen, China (No. JCYJ20160414102210144) and “National 1000 Young Talents” project. Professor Shiyou Chen at East China Normal University is acknowledged for helpful discussions. The authors would like to thank the Analytical and Testing Center of HUST and the Center for Nanoscale Characterization and Devices of WNLO for the characterization support.

Supplementary material

12200_2017_702_MOESM1_ESM.pdf (643 kb)
Characterization of basic physical properties of Sb2Se3 and its relevance for photovoltaics

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Copyright information

© Higher Education Press and Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Chao Chen
    • 1
  • David C. Bobela
    • 2
  • Ye Yang
    • 2
  • Shuaicheng Lu
    • 1
  • Kai Zeng
    • 1
  • Cong Ge
    • 1
  • Bo Yang
    • 1
  • Liang Gao
    • 1
  • Yang Zhao
    • 1
  • Matthew C. Beard
    • 2
  • Jiang Tang
    • 1
  1. 1.Wuhan National Laboratory for Optoelectronics (WNLO)Huazhong University of Science and TechnologyWuhanChina
  2. 2.Chemistry and Nanoscience CenterNational Renewable Energy LaboratoryGoldenUSA

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