Architectural Design of Self‐Assembled Hollow Superstructures

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Abstract
Colloidal nanoparticle assemblies are widely designed and fabricated via various building blocks to enhance their intrinsic properties and potential applications. Self‐assembled hollow superstructures have been a focal point in nanotechnology for several decades and are likely to remain so for the foreseeable future. The novel properties of self‐assembled hollow superstructures stem from their effective spatial utilization. As such, a comprehensive appreciation of the interactive forces at play among individual building blocks is a prerequisite for designing and managing the self‐assembly process, toward the fabrication of optimal hollow nanoproducts. Herein, the emerging approaches to the fabrication of self‐assembled hollow superstructures, including hard‐templated, soft‐templated, self‐templated, and template‐free methods, are classified and discussed. The corresponding reinforcement mechanisms, such as strong ligand interaction strategies and extra‐capping strategies, are discussed in detail. Finally, possible future directions for the construction of multifunctional hollow superstructures with highly efficient catalytic reaction systems and an integration platform for bioapplications are discussed.
Funding Information
  • National Natural Science Foundation of China (21621062, 21635002)
  • National Basic Research Program of China (2018YFA0208800)

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