Novel cost-effective acceptor:P3HT based organic solar cells exhibiting the highest ever reported industrial readiness factor

Thomas Rieks Andersen*, Anne Therese Husth Weyhe, Qiang Tao, Feng Zhao, Ran Qin, Shuhua Zhang, Hongzheng Chen*, Donghong Yu*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

11 Citations (Scopus)
26 Downloads (Pure)

Abstract

Solution-based organic solar cells (OSCs) offer great potential prospects within low-cost electricity production. High-performance materials are traditionally low bandgap polymers requiring a multitude of synthetic steps, limiting the scalability of the materials. A very scalable polymer is poly(3-hexylthiophene) (P3HT) which has recently reached a power conversion efficiency (PCE) of 6.4% with a non-fullerene acceptor (NFA) O-IDTBR, herein we present four novel simplified NFA analogues to O-IDTBR for reducing the synthetic complexity. The best performing material combination reached an average efficiency of 5.39%, which led to an industrial readiness factor (i-FOM) of 0.26 which is more than a 30% increase compared to that for P3HT:O-IDTBR. Due to the promise of this material combination, upscaling to large area/ITO-free slot-die coating was conducted reaching an optimized PCE of 3.58%.
Original languageEnglish
JournalMaterials Advances
Volume1
Issue number4
Pages (from-to)658-665
Number of pages8
ISSN2633-5409
DOIs
Publication statusPublished - 1 Jul 2020

Keywords

  • NON-FULLERENE ACCEPTOR
  • PHOTOVOLTAICS
  • EFFICIENCY
  • PERFORMANCE
  • VOLTAGE

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