Perovskite/silicon tandem solar cells have gained significant attention as a viable commercial solution for ultra-high-efficiency photovoltaics. Ongoing research efforts focus on improving device performance, stability, and upscaling. Yet, paradoxically, their outdoor behavior remains largely unexplored. Here, we describe their performance over a complete calendar year outdoors in the area of the Red Sea coast of Saudi Arabia, which represents a hot and humid environment. After 1 year, our test device retains 80% of its initial power conversion efficiency. Further, we find three critical factors affecting current matching: the module temperature; deviations of the local, actual solar spectrum from the AM1.5G standard, which dictates optical design requirements of the subcells; and module soiling due to a spectrally non-uniform transmission of light through the accumulated dust. Overall, our results underline the promise of perovskite/silicon tandem solar cells as a future high-performance technology, yet device tailoring toward targeted deployment may be desired to achieve maximum energy yields.
Bibliographical noteFunding Information:
This work was supported by the King Abdullah University of Science and Technology ( KAUST ) Office of Sponsored Research (OSR) under award nos. OSR-2021-4833 , OSR-CARF/CCF-3079 , IED OSR-2020-4611 , IED OSR-2019-4580 , OSR-CRG2020-4350 , OSR-2020-CPF-4519 , OSR-CRG2019-4093 , and IED OSR-2019-4208 . We acknowledge the use of the KAUST Solar Center and support from its staff.
© 2023 The Authors
ASJC Scopus subject areas
- Materials Science(all)
- Physics and Astronomy(all)