Characterization of Basic Physical Properties of Sb2Se3 and its Relevance for Photovoltaics

David Bobela, Matthew Beard, Chao Chen, Shuaicheng Lu, Kai Zeng, Cong Ge, Bo Yang, Liang Gao, Yang Zhao, Jiang Tang, Ye Yang

Research output: Contribution to journalArticlepeer-review

304 Scopus Citations

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.

Original languageAmerican English
Pages (from-to)18-30
Number of pages13
JournalFrontiers of Optoelectronics
Volume10
Issue number1
DOIs
StatePublished - 1 Mar 2017

Bibliographical note

Publisher Copyright:
© 2017, Higher Education Press and Springer-Verlag Berlin Heidelberg.

NREL Publication Number

  • NREL/JA-5K00-68320

Keywords

  • antimony selenide (SbSe)
  • defects
  • diffusion length
  • lifetime
  • mobility

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