Opportunities and challenges for tandem solar cells using metal halide perovskite semiconductors

Tomas Leijtens (), Kevin A. Bush, Rohit Prasanna and Michael D. McGehee ()
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Tomas Leijtens: Stanford University
Kevin A. Bush: Stanford University
Rohit Prasanna: Stanford University
Michael D. McGehee: Stanford University

Nature Energy, 2018, vol. 3, issue 10, 828-838

Abstract: Abstract Metal halide perovskite semiconductors possess excellent optoelectronic properties, allowing them to reach high solar cell performances. They have tunable bandgaps and can be rapidly and cheaply deposited from low-cost precursors, making them ideal candidate materials for tandem solar cells, either by using perovskites as the wide-bandgap top cell paired with low-bandgap silicon or copper indium diselenide bottom cells or by using both wide- and small-bandgap perovskite semiconductors to make all-perovskite tandem solar cells. This Review highlights the unique potential of perovskite tandem solar cells to reach solar-to-electricity conversion efficiencies far above those of single-junction solar cells at low costs. We discuss the recent developments in perovskite-based tandem fabrication, and detail directions for future research to take this technology beyond the proof-of-concept stage.

Date: 2018
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DOI: 10.1038/s41560-018-0190-4

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