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Synthesis of Cu2FeSnSe4 thin film by selenization of RF magnetron sputtered precursor

  • East China Normal University
  • Shanghai University

科研成果: 期刊稿件文章同行评审

摘要

Cu2FeSnSe4 (CFTSe) thin film was synthesized on glass substrate by two-stage process, which is RF magnetron sputtering and following post-annealing process. The chemical composition is close to the stoichiometry of 2:1:1:4 measured by energy dispersive X-ray spectroscopy. X-ray diffraction pattern indicates that all phases belong to CFTSe. It indicates that there are no additional or intermediate phases. A1 mode of the film is observed in Raman scattering spectra. From the results of XRD and Raman spectrum analysis, the structure of CFTSe can be determined. The film exhibits stannite structure (space group 14̄2m) with lattice parameters a=5.6889 Å and c=11.284 Å. Further transmission spectra demonstrates that the band gap of thin film is 1.10 eV.

源语言英语
页(从-至)1-3
页数3
期刊Materials Letters
117
DOI
出版状态已出版 - 15 2月 2014

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