Journal
2021 IEEE 48TH PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC)
Volume -, Issue -, Pages 1111-1114Publisher
IEEE
DOI: 10.1109/PVSC43889.2021.9518848
Keywords
perovskite; radiation tolerance; space; proton; radiation effects
Funding
- National Aeronautics and Space Administration [80NSSC19M0140]
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Two different single junction mixed organic-inorganic halide perovskite solar cells were found to have good tolerance to high energy proton radiation, showing stability and performance retention. The tolerance of these materials is promising for the development of multijunction tandem flexible photovoltaic devices.
Two different single junction mixed organic-inorganic halide perovskite solar cells (PSCs) were assessed for their tolerance to high energy proton radiation. Both the narrow band gap mixed tin-lead iodide and wide band gap lead iodide-bromide show remarkable tolerance for fluences up to 1x10(11) p/cm(2). Both materials show a retention of open circuit voltage and decrease in dark current densities indicating minimal effect on SRH recombination that typically plagues traditional III-V based solar cells. Additionally, a control device that was processed without the perovskite absorber layer showed better diode characteristics and lower dark current densities after proton irradiation. The tolerance of these perovskite as a class of materials is promising for multijunction tandem flexible photovoltaic devices.
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