High-Performance Perovskite Single-Junction and Textured Perovskite/Silicon Tandem Solar Cells via Slot-Die Coating

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

Research output: Contribution to journalArticlepeer-review

36 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 oC) slot-die coated methylammonium lead tri-iodide (MAPbI3). The devices are fabricated on hydrophobic 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 languageEnglish (US)
JournalACS Energy Letters
DOIs
StatePublished - Aug 11 2020

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