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Plasmonic Au-Cu nanostructures: Synthesis and applications.

Xiaohu Mi1, Huan Chen2, Jinping Li2

  • 1Shaanxi Collaborative Innovation Center of TCM Technologies and Devices, Shaanxi University of Chinese Medicine, Xixian New Area, China.

Frontiers in Chemistry
|March 27, 2023
PubMed
Summary

Plasmonic gold-copper (Au-Cu) nanostructures offer superior properties compared to single-metal counterparts. This review highlights their development, unique plasmonic characteristics, and diverse applications in catalysis and beyond.

Keywords:
Au-Cu nanostructurescatalysisphotothermal conversionplasmon-enhanced spectroscopysurface plamon resonance

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Physical Chemistry

Background:

  • Monolithic nanostructures face limitations.
  • Plasmonic nanostructures are gaining attention for advanced applications.
  • Gold-copper (Au-Cu) nanostructures offer unique advantages.

Purpose of the Study:

  • To review recent advancements in Au-Cu nanostructures.
  • To discuss the development of alloy, core-shell, and Janus Au-Cu structures.
  • To explore the plasmonic properties and applications of Au-Cu nanostructures.

Main Methods:

  • Literature review of Au-Cu nanostructure synthesis and characterization.
  • Analysis of plasmonic properties based on composition and structure.
  • Survey of current and potential applications.

Main Results:

  • Au-Cu nanostructures exhibit unique plasmonic properties.
  • Three main types of Au-Cu nanostructures are identified: alloys, core-shell, and Janus.
  • Applications span catalysis, light harvesting, optoelectronics, and biotechnologies.

Conclusions:

  • Au-Cu nanostructures show significant potential in various fields.
  • Further research can optimize fabrication and expand applications.
  • This review provides insights into the future prospects of Au-Cu nanostructures.