Research on the assembly behavior of colloidal particles is crucial for advancing the development of smart materials.One-dimensional(1D)nanomaterials,such as nanorods,nanowires,and nanotubes exhibit strong anisotropic...Research on the assembly behavior of colloidal particles is crucial for advancing the development of smart materials.One-dimensional(1D)nanomaterials,such as nanorods,nanowires,and nanotubes exhibit strong anisotropic physical properties due to their ideal alignment order and significant geometric anisotropy.A variety of physical and chemical methods for directionally assembling these 1D nano-objects have been developed,such as external field assembly,shear force rubbing or coating,template substrate assembly,liquid crystal(LC)molecule induction,and assembly based on the interaction forces between nanomaterials[1].These methods optimize the physical properties in both the parallel and assembly directions within colloidal systems,manifesting their maximum or minimum values.Therefore,they enhance the anisotropy of the resulting systems,thereby opening up a wide range of intriguing applications[1,2].However,in most studies,the assembly process is irreversible.After orientation or directional growth,the 1D nanomaterials are solidified or made into arrays[1-3],thus limiting the flexibility in transitioning from material structure design to practical applications.Hence,achieving precise and controllable reversible assembly of strongly anisotropic materials has emerged as a paramount pursuit.展开更多
基金supported by the National Natural Science Foundation of China (T2293693 and 52273311)the Shenzhen Basic Research Project (JCYJ20220818100806014)Shenzhen Innovation and Entrepreneurship Program-Science and Technology Major Project (KCXFZ20240903094203005 and KCXFZ20240903094013018)。
文摘Research on the assembly behavior of colloidal particles is crucial for advancing the development of smart materials.One-dimensional(1D)nanomaterials,such as nanorods,nanowires,and nanotubes exhibit strong anisotropic physical properties due to their ideal alignment order and significant geometric anisotropy.A variety of physical and chemical methods for directionally assembling these 1D nano-objects have been developed,such as external field assembly,shear force rubbing or coating,template substrate assembly,liquid crystal(LC)molecule induction,and assembly based on the interaction forces between nanomaterials[1].These methods optimize the physical properties in both the parallel and assembly directions within colloidal systems,manifesting their maximum or minimum values.Therefore,they enhance the anisotropy of the resulting systems,thereby opening up a wide range of intriguing applications[1,2].However,in most studies,the assembly process is irreversible.After orientation or directional growth,the 1D nanomaterials are solidified or made into arrays[1-3],thus limiting the flexibility in transitioning from material structure design to practical applications.Hence,achieving precise and controllable reversible assembly of strongly anisotropic materials has emerged as a paramount pursuit.
