Journal
SMALL
Volume 17, Issue 27, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.202005718
Keywords
colloidal superstructures; enhanced optical properties; hierarchical structural complexity; nanoscale driving forces; precision nanoclusters; self-assembly
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Funding
- Science and Engineering Research Board (SERB)
- SERB [SB/S2/RJN-005/2017]
- Council of Scientific and Industrial Research (CSIR/UGC)
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Ligand protected noble metal nanoparticles serve as excellent building blocks for colloidal self-assembly, leading to the development of multifunctional nanomaterials with enhanced optoelectronic properties and well-defined molecular compositions. The emergence of atomically precise monolayer thiol-protected noble metal nanoclusters has overcome challenges in plasmonic nanoparticle self-assemblies, showing hierarchical structural complexity and potential applications in various fields. This review focuses on the formulation and periodic self-assembly of different noble metal nanoclusters, as well as discusses the amplification of physicochemical properties induced by self-assembly and their potential applications in molecular recognition, sensing, gas storage, device fabrication, bioimaging, therapeutics, and catalysis.
Ligand protected noble metal nanoparticles are excellent building blocks for colloidal self-assembly. Metal nanoparticle self-assembly offers routes for a wide range of multifunctional nanomaterials with enhanced optoelectronic properties. The emergence of atomically precise monolayer thiol-protected noble metal nanoclusters has overcome numerous challenges such as uncontrolled aggregation, polydispersity, and directionalities faced in plasmonic nanoparticle self-assemblies. Because of their well-defined molecular compositions, enhanced stability, and diverse surface functionalities, nanoclusters offer an excellent platform for developing colloidal superstructures via the self-assembly driven by surface ligands and metal cores. More importantly, recent reports have also revealed the hierarchical structural complexity of several nanoclusters. In this review, the formulation and periodic self-assembly of different noble metal nanoclusters are focused upon. Further, self-assembly induced amplification of physicochemical properties, and their potential applications in molecular recognition, sensing, gas storage, device fabrication, bioimaging, therapeutics, and catalysis are discussed. The topics covered in this review are extensively associated with state-of-the-art achievements in the field of precision noble metal nanoclusters.
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