Recent advances in novel electroactive devices have placed new requirements on material development.High-performance dielectric elastomers with good mechanical stretchability and high dielectric constant are under hig...Recent advances in novel electroactive devices have placed new requirements on material development.High-performance dielectric elastomers with good mechanical stretchability and high dielectric constant are under high demand.However,the current strategy for fabricating these materials suffers from high cost or low thermal stability,which greatly hinders large-scale industrial production.Herein,we have successfully developed a novel strategy for improving the dielectric constant of polymeric elastomers via deep eutectic solvent inclusion by taking advantage of the low cost,convenient and environmentally benign synthesis process and high ionic conductivity from deep eutectic solvents.The as-prepared composite elastomers showed good stretchability and a greatly enhanced dielectric constant with a negligible increase in dielectric dissipation.Moreover,we have proven the universality of our strategy by using different types of deep eutectic solvents.It is believed that low-cost,easy-synthesis and environmentally friendly deep eutectic solvents including composite elastomers are highly suitable for large-scale industrial production and can greatly broaden the application fields of dielectric elastomers.展开更多
基金supported by the Program for the Guangdong Introducing Innovative and Entrepreneurial Teams(2017ZT07C291)Shenzhen Science and Technology Program(KQTD20170810141424366)+2 种基金National Natural Science Foundation of China(22078276 and 22005260)2019 Special Program for Central Government Guiding Local Science and Technology Development:Environmental Purification Functional Materials Research Platform,Shenzhen Key Laboratory of Advanced Materials Product Engineering(ZDSYS20190911164401990)China Postdoctoral Science Foundation(2019TQ0307)。
基金the National Natural Science Foundation of China(Grant No.22078276)the Program for Guangdong Introducing Innovative and Entrepreneurial Teams(Grant No.2017ZT07C291)+2 种基金Shenzhen Science and Technology Program(Grant No.KQTD20170810141424366)Shenzhen Key Laboratory of Advanced Materials Product Engineering(Grant No.ZDSYS20190911164401990)Qi Zhang thanks the Presidential Fund(Grant No.PF01000949)for supporting his research at CUHK-Shenzhen.
文摘Recent advances in novel electroactive devices have placed new requirements on material development.High-performance dielectric elastomers with good mechanical stretchability and high dielectric constant are under high demand.However,the current strategy for fabricating these materials suffers from high cost or low thermal stability,which greatly hinders large-scale industrial production.Herein,we have successfully developed a novel strategy for improving the dielectric constant of polymeric elastomers via deep eutectic solvent inclusion by taking advantage of the low cost,convenient and environmentally benign synthesis process and high ionic conductivity from deep eutectic solvents.The as-prepared composite elastomers showed good stretchability and a greatly enhanced dielectric constant with a negligible increase in dielectric dissipation.Moreover,we have proven the universality of our strategy by using different types of deep eutectic solvents.It is believed that low-cost,easy-synthesis and environmentally friendly deep eutectic solvents including composite elastomers are highly suitable for large-scale industrial production and can greatly broaden the application fields of dielectric elastomers.
