Rapid Advances Enabling High-Performance Inverted Perovskite Solar Cells

Qi Jiang, Kai Zhu

Research output: Contribution to journalArticlepeer-review

Abstract

Perovskite solar cells (PSCs) that have a positive-intrinsic-negative (p-i-n, or often referred to as inverted) structure are becoming increasingly attractive for commercialization owing to their rapid increase in power conversion efficiency, easily scalable fabrication, reliable operation and compatibility with various perovskite-based tandem device configurations. Here, we review key material and device considerations for making highly efficient and stable p-i-n PSCs. First, we summarize key advances in charge transport materials, which were critical to the rapid power conversion efficiency progress. Second, we discuss promising perovskite compositions and fabrication methods. We highlight various additive engineering approaches to improve the perovskite layer as well as interface engineering strategies that target either the buried or top perovskite surface layer. Third, we review progress in tandem devices, focusing on optimization of the interconnection layer. Next, we summarize the status and strategies for improving p-i-n PSC stability, especially considering the challenges of outdoor applications. We also provide prospects for future research directions and challenges.
Original languageAmerican English
Pages (from-to)399-419
Number of pages21
JournalNature Reviews Materials
Volume9
Issue number6
DOIs
StatePublished - 2024

NREL Publication Number

  • NREL/JA-5900-89154

Keywords

  • efficiency
  • inverted structure
  • module
  • perovskite solar cells
  • stability
  • tandem

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