Semitransparent FAPbI 3- x Br x Perovskite Solar Cells Stable under Simultaneous Damp Heat (85 °C/85%) and 1 Sun Light Soaking

Jin Hyuck Heo, Yong Kyu Choi, Chang Woo Koh, Han Young Woo, Sang Hyuk Im

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


Highly efficient (17.3%, aperture area = 1 cm 2 ) and stable semitransparent CH(NH 2 ) 2 PbI 3- x Br x (FAPbI 3- x Br x ) perovskite solar cells (PSCs) are demonstrated by lamination process through conductive poly[(2,5-bis(2-hexyldecyloxy)phenylene)-alt-(5,6-difluoro-4,7-di(thiophen-2-yl)benzo[c][1,2,5]-thiadiazole)] doped with nonhygroscopic tris(pentafluorophenyl)borane hole transporting glue layer. Due to the self-passivated structure of semitransparent PSCs, the edge-encapsulated PSC exhibits 5.20% degradation compared to its initial efficiency during 1000 h maximum power point tracking under simultaneous damp heat (85 °C/85% relative humidity) and 1 sun light soaking test condition. In addition, 14.3% of full flexible semitransparent PSC with good mechanical bending stability is demonstrated by the same lamination process.

Original languageEnglish
Article number1800390
JournalAdvanced Materials Technologies
Issue number3
Publication statusPublished - 2019 Mar


  • damp heat
  • light soaking
  • perovskite
  • semitransparent
  • stability

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Industrial and Manufacturing Engineering


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