Journal
CHEMICAL COMMUNICATIONS
Volume 59, Issue 34, Pages 4995-5015Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d3cc00191a
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In recent years, there have been various studies on replacing toxic halogenated/aromatic hydrocarbon organic solvents commonly used in solution-processed organic field-effect transistors with more sustainable green solvents. This review summarizes the properties of solvents used to process organic semiconductors and their toxicities. The efforts to avoid using toxic organic solvents are also discussed, including the molecular engineering of organic semiconductors, asymmetric deformation and random copolymerization, and the use of miniemulsion-based nanoparticles.
Replacing environmentally damaging toxic halogenated/aromatic hydrocarbon organic solvents commonly used in solution-processed organic field-effect transistors with more sustainable green solvents has in recent years become a subject of various studies. In the current review, we summarize the properties of solvents used to process organic semiconductors and relate these properties to the toxicities of the solvents. And then, the research efforts to avoid using toxic organic solvents are reviewed, in particular the efforts involving molecular engineering of organic semiconductors achieved by introducing solubilizing side chains or substituents into the backbone and with synthetic strategies to asymmetrically deform the structure of the organic semiconductors and random copolymerization, as well as efforts involving the use of miniemulsion-based nanoparticles to process organic semiconductors.
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