Issue 38, 2023

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

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.

Graphical abstract: Boosting electron transport in non-fullerene acceptors using non-chlorinated solvents

Supplementary files

Article information

Article type
Paper
Submitted
12 Jūn. 2023
Accepted
01 Sept. 2023
First published
08 Sept. 2023
This article is Open Access
Creative Commons BY-NC license

J. Mater. Chem. C, 2023,11, 12941-12948

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

M. I. Nugraha, R. E. A. Ardhi, D. Naphade, W. Zhang, Y. Yuan, M. Heeney and T. D. Anthopoulos, J. Mater. Chem. C, 2023, 11, 12941 DOI: 10.1039/D3TC02037A

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