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Combined Stress Testing of Perovskite Solar Cells for Stable Operation in Space

Journal Article · · ACS Applied Energy Materials
 [1];  [2];  [3];  [4];  [2];  [2];  [3];  [2];  [2];  [5];  [5]
  1. NASA Glenn Research Center, Cleveland, OH (United States); National Renewable Energy Laboratory (NREL), Golden, CO (United States)
  2. National Renewable Energy Laboratory (NREL), Golden, CO (United States)
  3. National Renewable Energy Laboratory (NREL), Golden, CO (United States); University of Colorado, Boulder, CO (United States)
  4. SLAC National Accelerator Laboratory, Menlo Park, CA (United States)
  5. NASA Glenn Research Center, Cleveland, OH (United States)
Perovskite solar cells (PSCs) could provide new low-cost opportunities for powering spacecraft. Here we are designing a PSC resilient to lunar surface conditions, focusing on contact/barrier layers combinations that maximize stability. Thermal vacuum stress shows cells with gold back-contacts and SiOx protection retain >90% of initial efficiency and indium tin oxide (ITO)-contacted cells retain ~100% of initial efficiency after five months of stress. SiOx mitigates mechanical aspects of contact stress, retaining 99% of initial efficiency, whereas cells with silicone/cover glass decreased 27%. We further exposed cells to combined illumination, 75 °C heat, and 10-6 Torr vacuum for 24 h and found that ITO-contacted cells outperformed Au-contacted cells.
Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
National Aeronautics and Space Administration (NASA); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-76SF00515; AC36-08GO28308
OSTI ID:
1970184
Report Number(s):
NREL/JA--5K00-84338; MainId:85111; UUID:132c6e52-3906-4f40-9b5d-cd863a005377; MainAdminID:69316
Journal Information:
ACS Applied Energy Materials, Journal Name: ACS Applied Energy Materials Journal Issue: 20 Vol. 6; ISSN 2574-0962
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English

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