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논문 해외 국제전문학술지(SCI급) Planar Type Trivalent Bismuth Based Pb-Free Perovskite Solar Cells

  • 학술지 구분 국제전문학술지(SCI급)
  • 게재년월 2018-04
  • 저자명 Min Ho Lee,Jin Hyuck Heo,Dae Ho Song,Jae-Joon Lee,홍기하공동(교신),Sang Hyuk Im,Chang Eun Song
  • 학술지명 NANOSCIENCE AND NANOTECHNOLOGY LETTERS
  • 발행처명 AMER SCIENTIFIC PUBLISHERS
  • 발행국가 해외
  • 논문언어 외국어
  • 전체저자수 7

논문 초록 (Abstract)

An 8% stable planar type trivalent Bi-based Cs3Bi2I9 perovskite-sensitized solar cell (P-SSC) was demonstrated by fabricating a glass/FTO (F doped tin oxide)/TiO2/Cs3Bi2I9/PTAA (poly-triarylamine)/Au construction. The Cs3Bi2I9 perovskite film formed by Cs3Bi2I9/N,N-dimethylformamide/HI solution featured a pure crystalline phase and excellent thermal stability. The unencapsulated Cs3Bi2I9 P-SSC maintained its initial efficiency for >500 h under continuous light soaking by 1 Sun at 65 °C and 60–70% relative humidity. Its functional stability may be due to the trivalent Bi based perovskite structure being more robust than the divalent Pb based perovskite one.