Precise Assembly of Polyoxometalates at Single‐cluster Levels

Polyoxometalate (POM) clusters with atomic precision structures are promising candidates construct functional nanomaterials via self‐assembly. Non‐covalent interactions at molecular levels can govern the self‐assembly of POM clusters, for which the precise control of POM‐based assemblies can be real...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2023-03, Vol.62 (11), p.e202217764-n/a
Main Authors: Liu, Qingda, Wang, Xun
Format: Article
Language:English
Subjects:
Assemblies
Assembly
Clusters
Functional materials
Mechanical properties
Nanomaterials
Nanotechnology
Nanowires
Non-Covalent Interaction
Polyoxometalate
Polyoxometallates
Precise Synthesis
Self-Assembly
Subnanometer Materials
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Summary:Polyoxometalate (POM) clusters with atomic precision structures are promising candidates construct functional nanomaterials via self‐assembly. Non‐covalent interactions at molecular levels can govern the self‐assembly of POM clusters, for which the precise control of POM‐based assemblies can be realized at single‐cluster levels. This mini‐review focuses on the synthesis and properties of POM‐based nanostructures, including amphiphilic POM assemblies and co‐assemblies of POM clusters and other subnanometer building blocks. Several synthetic strategies have been developed for rational control of POM‐based assemblies in terms of morphologies, compositions and properties. 1D subnanometer POM assemblies demonstrate remarkable enhanced mechanical properties due to the topological interactions between nanowires and surroundings. The in‐depth understanding of POM‐based assemblies may help in the design of functional nanomaterials in fundamental perspectives and applications. This Minireview focuses on the precise synthesis of POM‐based nanomaterials with well‐defined structures, including amphiphilic POM assemblies, cluster‐nuclei co‐assemblies, POM‐POSS co‐cluster assemblies and POM‐polymer co‐assemblies. In particular, POM based sub‐1 nm nanowires exhibit extraordinary mechanical properties due to the multiscale assembly and topological interactions between nanowires.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.202217764