Boosting electron transport in non-fullerene acceptors using non-chlorinated solvents

Mohamad Insan Nugraha*, Ryanda Enggar Anugrah Ardhi, Dipti Naphade, Weimin Zhang, Youyou Yuan, Martin Heeney, Thomas D. Anthopoulos*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Chlorinated solvents are commonly used to process organic semiconductor devices but have several negative environmental impacts. The choice of processing solvent significantly affects the layer microstructure and device performance, so replacing chlorinated solvents is non-trivial. Herein, we investigate the microstructural and electron-transporting properties of small-molecule non-fullerene acceptor (NFA) films and transistors processed from various non-chlorinated solvents. We show that the ensuing NFA transistors exhibit improved layer morphology, crystallinity, and electron mobility superior to those processed from chlorinated solvents. Our work highlights using non-chlorinated solvents to optimise charge transport in organic semiconductors and their devices while mitigating adverse environmental effects.

Original languageEnglish (US)
Pages (from-to)12941-12948
Number of pages8
JournalJOURNAL OF MATERIALS CHEMISTRY C
Volume11
Issue number38
DOIs
StateAccepted/In press - 2023

ASJC Scopus subject areas

  • General Chemistry
  • Materials Chemistry

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