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Updated: May 13, 2026
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Synthesis of Cyclic Polymers and Characterization of Their Diffusive Motion in the Melt State at the Single Molecule Level
Published on: September 26, 2016
A fluorinated phenylene unit as a building block for high-performance n-type semiconducting polymer
Jung Ha Park1, Eui Hyuk Jung, Jae Woong Jung
1Department of Materials Science and Engineering, Seoul National University, 1, Gwanak-ro, Gwanak-gu, Seoul 151-744, Korea.
Advanced Materials (Deerfield Beach, Fla.)
|March 26, 2013
Summary
Researchers synthesized novel diketopyrrolopyrrole-phenylene copolymers. Fluorine substitution significantly enhanced n-type charge transport, with four fluorine atoms yielding the highest electron mobility.
Area of Science:
- Organic electronics
- Polymer chemistry
Background:
- Diketopyrrolopyrrole (DPP) and phenylene units are key components in organic semiconductors.
- Fluorine substitution is a common strategy to tune electronic properties of organic materials.
Purpose of the Study:
- To synthesize DPP-phenylene copolymers with varying degrees of fluorine substitution.
- To investigate the impact of fluorine content on the n-channel charge transport properties.
Main Methods:
- Synthesis of fluorinated DPP-phenylene copolymers.
- Characterization of polymer properties.
- Measurement of charge transport mobility.
Main Results:
- Successful synthesis of copolymers with controlled fluorine substitution.
- The polymer with four fluorine atoms exhibited superior n-type semiconductor behavior.
- Achieved an electron mobility of 2.36 cm(2) V(-1) s(-1) for the most fluorinated polymer.
Conclusions:
- Fluorine substitution is a critical factor in optimizing n-type charge transport in DPP-phenylene copolymers.
- The developed materials hold promise for applications in organic electronics.
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