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A Simple and Scalable Fabrication Method for Organic Electronic Devices on Textiles
Published on: March 13, 2017
Development of an Ionic Conductive Elastomer from the Photocopolymerization of a Ternary Polymerizable Deep Eutectic
Zhengyang Qian1, Chenlin Pan1, Hao Chen1
1College of Chemistry, Chemical Engineering and Materials Science, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Soochow University, Suzhou, Jiangsu, 215123, P. R. China.
Abstract:
Polymerizable deep eutectic solvents (PDES) represent a novel class of ionic liquids characterized by the presence of polymerizable groups in their hydrogen-bond donor or acceptor components. Within the realm of flexible electronics, PDES is emerged as a promising material for the fabrication of sensors that exhibit both flexibility and stretchability. This research employs the UV-initiated photocopolymerization of a ternary PDES composed of choline chloride (ChCl), 2-hydroxyethyl acrylate (HEA), and itaconic acid (IA), to synthesize an ionic conductive elastomer (ICE) that boasts desirable comprehensive performances, which can be controlled by meticulously adjusting the ratios of these components. The fabrication process is streamlined and efficient, utilizing cost-effective and eco-friendly materials. This elastomer exhibits favorable ionic conductivity (1.70 × 10-2-5.45 × 10-2 S m-1), mechanical strength (0.48-1.21 MPa stress at break, 395-701% elongation at break), adhesion capacity (49-120 kPa adhesion strength), and sensing sensitivity toward human motions.
