High-performance perovskite single-junction and textured perovskite/silicon tandem solar cells via slot-die-coating

  • Anand S. Subbiah
  • , Furkan H. Isikgor
  • , Calvyn T. Howells
  • , Michele De Bastiani
  • , Jiang Liu
  • , Erkan Aydin
  • , Francesco Furlan
  • , Thomas G. Allen
  • , Fuzong Xu
  • , Shynggys Zhumagali
  • , Sjoerd Hoogland
  • , Edward H. Sargent
  • , Iain McCulloch
  • , Stefaan De Wolf

    Research output: Contribution to journalArticlepeer-review

    182 Scopus citations

    Abstract

    In this work, we report perovskite solar cells in the planar p-i-n configuration based on single-step, anti-solvent-free, low-temperature (70 °C) slot-die-coated methylammonium lead tri-iodide (MAPbI3). The devices are fabricated on hydrophobic poly(triarylamine) (PTAA) surfaces, using key strategies such as solvent engineering, enhanced ink-substrate dynamics, and surface passivation, enabling a power conversion efficiency (PCE) of 21.8%. We also adapted the technique to achieve the first slot-die-coated perovskite/silicon monolithic 2-terminal tandems, achieving a PCE of 23.8% utilizing a textured silicon bottom cell.

    Original languageBritish English
    Pages (from-to)3034-3040
    Number of pages7
    JournalACS Energy Letters
    Volume5
    Issue number9
    DOIs
    StatePublished - 11 Sep 2020

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