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Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application
Published on: March 8, 2019
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Linear hybrid siloxane-based side chains for highly soluble isoindigo-based conjugated polymers.
Yafei Ding1, Longlong Jiang, Yuchang Du
1National Engineering Lab of Special Display Technology, State Key Lab of Advanced Display Technology, and Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei 230009, China. xhwang11@hfut.edu.cn gbzhang@hfut.edu.cn lzhqiu@hfut.edu.cn.
Chemical Communications (Cambridge, England)
|October 6, 2020
Summary
Three novel isoindigo-based conjugated polymers with siloxane side chains were synthesized. These materials demonstrate excellent solubility and significantly improved charge carrier mobility, paving the way for advanced organic electronics.
Area of Science:
- Organic electronics
- Polymer chemistry
- Materials science
Background:
- Conjugated polymers are crucial for organic electronic devices.
- Developing polymers with enhanced solubility and charge transport properties is essential.
- Isoindigo-based polymers offer unique electronic characteristics.
Purpose of the Study:
- To synthesize and characterize novel isoindigo-based conjugated polymers.
- To investigate the effect of siloxane-based side chains on polymer properties.
- To evaluate the charge carrier mobility of the synthesized polymers.
Main Methods:
- Synthesis of three isoindigo-based conjugated polymers (PIID-Cm-Si7, m = 5-7) with varying linear hybrid siloxane-based side chains.
- Solubility testing in various organic solvents.
- Fabrication of polymer films and measurement of charge carrier mobility using device testing.
Main Results:
- All synthesized polymers (PIID-C5-Si7, PIID-C6-Si7, PIID-C7-Si7) exhibited good solubility in a wide range of solvents.
- The charge carrier mobilities achieved were 0.32 cm2 V-1 s-1 for PIID-C5-Si7, 0.82 cm2 V-1 s-1 for PIID-C6-Si7, and 1.58 cm2 V-1 s-1 for PIID-C7-Si7.
- Increased side chain length correlated with higher charge carrier mobility.
Conclusions:
- The incorporation of linear hybrid siloxane-based side chains effectively enhances the solubility of isoindigo-based conjugated polymers.
- The synthesized polymers show promising performance for applications in organic electronics.
- Further research can explore optimizing side chain structures for even higher mobilities.
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