Self-assembly of noble metal nanocrystals: Fabrication, optical property, and application

SummaryNoble metal nanocrystals (NCs) have become one of the hottest fields in nanoscience due to their unique/strong interactions with extra electromagnetic field, which are known as localized surface plasmon resonance. Self-assembly of noble metal NCs into the complex hierarchical nanostructures with a controllable manner could provide a promising way to obtain metamaterials with the collective optical properties and further realize their potential applications. Here we summarize the state-of-art progress in this exciting and dynamic research field, and the major challenges in self-assembly of noble metal NCs are also discussed.

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► The article reviews the recent progress in self-assembly of noble metal nanocrystals.
► How to obtain self-assembled noble metal nanostructures.
► The collective optical properties of these self-assembled structures.
► Future challenges for self-assembled noble metal nanostructures.