reviewChemical ReviewsMar 25, 2024HYBRID OA

Narrow Bandgap Metal Halide Perovskites for All-Perovskite Tandem Photovoltaics

SHShuaifeng HuJTJarla ThiesbrummelJPJorge PascualMSMartin StolterfohtAWAtsushi Wakamiya

Kyoto University · University of Oxford · +5 more institutions

PubMed
Indexed incrossrefpubmed

Abstract

All-perovskite tandem solar cells are attracting considerable interest in photovoltaics research, owing to their potential to surpass the theoretical efficiency limit of single-junction cells, in a cost-effective sustainable manner. Thanks to the bandgap-bowing effect, mixed tin-lead (Sn-Pb) perovskites possess a close to ideal narrow bandgap for constructing tandem cells, matched with wide-bandgap neat lead-based counterparts. The performance of all-perovskite tandems, however, has yet to reach its efficiency potential. One of the main obstacles that need to be overcome is the─oftentimes─low quality of the mixed Sn-Pb perovskite films, largely caused by the facile oxidation of Sn(II) to Sn(IV), as well as the…

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Topics & keywords

Topics
Keywords
  • Photovoltaics
  • Perovskite (structure)
  • Tandem
  • Band gap
  • Halide
  • Optoelectronics
  • Nanotechnology
  • Thin film
UN Sustainable Development Goals
  • Affordable and clean energy
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