Effect of sulfurization temperature of solution-processed Cu2SnS3 absorber for low cost photovoltaic cells

Qiao Zhang, Hongmei Deng, Jiejin Yu, Bin Xu, Jiahua Tao, Pingxiong Yang, Lin Sun, Junhao Chu

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Cu2SnS3 (CTS) films were deposited on the Mo-coated glass substrates by a facile solution method with a post-sulfurization technique and the CTS-based solar cells were also fabricated successfully. The influencing mechanisms of the sulfurization temperature on the CTS absorber were investigated systematically. It is found that the CTS absorber with high crystallinity and no impurity was obtained at the temperature of 540 °C confirmed by XRD and Raman analysis. Moreover, significant improvement of microstructure was achieved by increasing the temperature to 540 °C but voids appeared at higher temperature of 570 °C. The Monoclinic CTS thin films sulfurized at 540 °C were used to fabricate CTS solar cell with Mo/CTS/CdS/i-ZnO/AZO/Ag structure, exhibiting efficiency of 3.05%.

Original languageEnglish
Pages (from-to)447-449
Number of pages3
JournalMaterials Letters
Volume228
DOIs
StatePublished - 1 Oct 2018

Keywords

  • CuSnS
  • Sol-gel preparation
  • Solar energy materials
  • Structural

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