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Organic Semiconductors Processed from Synthesis-to-Device in Water
Aiman Rahmanudin1, Raymundo Marcial-Hernandez1, Adibah Zamhuri1
1Organic Materials Innovation Centre Department of Chemistry University of Manchester Oxford Road Manchester M13 9PL UK.
Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|November 11, 2020
Summary
Researchers developed an eco-friendly aqueous process for high-performance organic semiconductors (OSCs). This method significantly reduces volatile organic compounds (VOCs) and avoids harmful solvents for greener electronic devices.
Area of Science:
- Materials Science
- Organic Electronics
- Green Chemistry
Background:
- Organic semiconductors (OSCs) offer potential for flexible, printable electronics.
- Current OSC fabrication relies heavily on volatile organic compounds (VOCs), including toxic halogenated solvents, posing environmental and health risks.
Purpose of the Study:
- To develop a sustainable, environmentally benign process for high-performance organic semiconductor (OSC) devices.
- To significantly reduce or eliminate the use of volatile organic compounds (VOCs) and halogenated solvents in OSC synthesis and processing.
Main Methods:
- Aqueous mini-emulsion polymerization to create OSC nanoparticles.
- Direct aqueous processing of OSC nanoparticles into thin films.
- Utilized indacenodithiophene and diketopyrrolopyrrole semiconducting polymers.
Main Results:
- Achieved high-performance p- and n-type OSC devices using only aqueous processes.
- Reduced volatile organic compound (VOC) usage by over 99%, eliminating halogenated solvents.
- Device performance comparable to conventional methods using large amounts of VOCs.
Conclusions:
- A holistic, cradle-to-grave aqueous process enables sustainable OSC device fabrication.
- This approach provides a viable guideline for future green OSC device development.
- Addresses environmental concerns, paving the way for eco-friendly electronic materials.
