Evaluation of Hybrid Perovskite Prototypes After 10-Month Space Flight on the International Space Station: Article No. 2203920

William Delmas, Samuel Erickson, Jorge Arteaga, Mark Woodall, Michael Scheibner, Timothy Krause, Kyle Crowley, Kaitlyn VanSant, Joseph Luther, Jennifer Williams, Jeremiah McNatt, Timothy Peshek, Lyndsey McMillon-Brown, Sayantani Ghosh

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19 Scopus Citations


Metal halide perovskites (MHPs) have emerged as a prominent new photovoltaic material combining a very competitive power conversion efficiency that rivals crystalline silicon with the added benefits of tunable properties for multijunction devices fabricated from solution which can yield high specific power. Perovskites have also demonstrated some of the lowest temperature coefficients and highest defect tolerance, which make them excellent candidates for aerospace applications. However, MHPs must demonstrate durability in space which presents different challenges than terrestrial operating environments. To decisively test the viability of perovskites being used in space, a perovskite thin film is positioned in low earth orbit for 10 months on the International Space Station, which was the first long-duration study of an MHP in space. Postflight high-resolution ultrafast spectroscopic characterization and comparison with control samples reveal that the flight sample exhibits superior photo-stability, no irreversible radiation damage, and a suppressed structural phase transition temperature by nearly 65 K, broadening the photovoltaic operational range. Further, significant photo-annealing of surface defects is shown following prolonged light-soaking postflight. These results emphasize that methylammonium lead iodide can be packaged adequately for space missions, affirming that space stressors can be managed as theorized.
Original languageAmerican English
Number of pages7
JournalAdvanced Energy Materials
Issue number19
StatePublished - 2023

NREL Publication Number

  • NREL/JA-5F00-85340


  • aerospace
  • International Space Station
  • light soaking
  • metal halide perovskites
  • spectroscopy
  • strain
  • structural phase


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