Although dynamic covalent chemistry(DCvC)has been widely utilized to synthesize small molecules and polymers,it remains challenging to construct highly ordered polymeric architectures via DCvC.Further exploration of n...Although dynamic covalent chemistry(DCvC)has been widely utilized to synthesize small molecules and polymers,it remains challenging to construct highly ordered polymeric architectures via DCvC.Further exploration of novel dynamic linkages(in addition to commonly used imine and boronate ester)will expand the library of readily accessible dynamic linkages,diversify the polymeric structures,and unlock new functionality.In this mini-review,the DCvC-based synthetic strategies for enhancing the structural orders of polymeric architectures will be discussed from both thermodynamic control and kinetic control aspects.The relationship between the structure,stability,and dynamic behavior of a DCvC bond will be presented.Then recent examples of constructing polymers with DCvC and supramolecular bonding interactions,such as metal-ligand coordination,host-vip binding,and hydrogen bonding,will be reviewed to demonstrate their synergistic relationship.Furthermore,polymers featuring relatively unexplored DCvC will be highlighted to underscore how developing novel dynamic linkages and fundamental DCvC studies can broaden the scope of functional polymeric architectures.In the end,the challenges in the current field and possible future directions will also be discussed.Advancements in using these design principles will undoubtedly lead to the development of intriguing chemistries,polymeric architectures,and functionality.展开更多
Single-ion conducting polymer electrolytes have attracted great attention as safe alternatives to liquid electrolytes in high energy density lithium-ion batteries.Herein,we report the first example of a crystalline an...Single-ion conducting polymer electrolytes have attracted great attention as safe alternatives to liquid electrolytes in high energy density lithium-ion batteries.Herein,we report the first example of a crystalline anionic helical polymer as a single lithium-ion conducting solid polymer electrolyte(SPE).Single-crystal X-ray analysis shows that the polymer folds into densely packed double helices,with bundles of unidirectional negatively charged channels formed that can facilitate lithium-ion transportation.展开更多
文摘Although dynamic covalent chemistry(DCvC)has been widely utilized to synthesize small molecules and polymers,it remains challenging to construct highly ordered polymeric architectures via DCvC.Further exploration of novel dynamic linkages(in addition to commonly used imine and boronate ester)will expand the library of readily accessible dynamic linkages,diversify the polymeric structures,and unlock new functionality.In this mini-review,the DCvC-based synthetic strategies for enhancing the structural orders of polymeric architectures will be discussed from both thermodynamic control and kinetic control aspects.The relationship between the structure,stability,and dynamic behavior of a DCvC bond will be presented.Then recent examples of constructing polymers with DCvC and supramolecular bonding interactions,such as metal-ligand coordination,host-vip binding,and hydrogen bonding,will be reviewed to demonstrate their synergistic relationship.Furthermore,polymers featuring relatively unexplored DCvC will be highlighted to underscore how developing novel dynamic linkages and fundamental DCvC studies can broaden the scope of functional polymeric architectures.In the end,the challenges in the current field and possible future directions will also be discussed.Advancements in using these design principles will undoubtedly lead to the development of intriguing chemistries,polymeric architectures,and functionality.
基金supported by the University of Colorado Boulder。
文摘Single-ion conducting polymer electrolytes have attracted great attention as safe alternatives to liquid electrolytes in high energy density lithium-ion batteries.Herein,we report the first example of a crystalline anionic helical polymer as a single lithium-ion conducting solid polymer electrolyte(SPE).Single-crystal X-ray analysis shows that the polymer folds into densely packed double helices,with bundles of unidirectional negatively charged channels formed that can facilitate lithium-ion transportation.
