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Epitaxial growth of hybrid nanostructures


Hybrid nanostructures are a class of materials that are typically composed of two or more different components, in which each component has at least one dimension on the nanoscale. The rational design and controlled synthesis of hybrid nanostructures are of great importance in enabling the fine tuning of their properties and functions. Epitaxial growth is a promising approach to the controlled synthesis of hybrid nanostructures with desired structures, crystal phases, exposed facets and/or interfaces. This Review provides a critical summary of the state of the art in the field of epitaxial growth of hybrid nanostructures. We discuss the historical development, architectures and compositions, epitaxy methods, characterization techniques and advantages of epitaxial hybrid nanostructures. Finally, we provide insight into future research directions in this area, which include the epitaxial growth of hybrid nanostructures from a wider range of materials, the study of the underlying mechanism and determining the role of epitaxial growth in influencing the properties and application performance of hybrid nanostructures.

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Figure 1: Timeline showing key developments in the epitaxial growth of hybrid nanostructures.
Figure 2: Schematic illustration of typical architectures of epitaxial hybrid nanostructures.
Figure 3: Characterization of epitaxial hybrid nanostructures.
Figure 4: Schematic illustration of the advantages of epitaxial hybrid nanostructures in some applications.


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This work was supported by the Ministry of Education, Singapore through the Academic Research Fund (AcRF) Tier 2 (Grant Nos MOE2014-T2-2-093, MOE2015-T2-2-057, MOE2016-T2-2-103 and MOE2017-T2-1-162) and AcRF Tier 1 (Grant Nos 2016-T1-001-147, 2016-T1-002-051 and 2017-T1-001-150), and Nanyang Technological University, Singapore under a start-up grant (No. M4081296.070.500000). The authors acknowledge the Facility for Analysis, Characterization, Testing and Simulation, Nanyang Technological University, for use of their electron microscopy facilities. This research is supported by the National Research Foundation, Prime Minister’s Office, Singapore under its Campus for Research Excellence and Technological Enterprise (CREATE) programme.

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All authors researched data for the article and contributed to the discussion of content. H.Z. and C.T. wrote and edited the manuscript before submission.

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Correspondence to Hua Zhang.

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Tan, C., Chen, J., Wu, XJ. et al. Epitaxial growth of hybrid nanostructures. Nat Rev Mater 3, 17089 (2018).

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