Nonnoble-Metal-Based Plasmonic Nanomaterials: Recent Advances and Future Perspectives

Area of Science:

• Materials Science
• Nanotechnology
• Plasmonics

Background:

• Plasmonic nanostructures are crucial for emerging technologies, but their reliance on expensive noble metals (Au, Ag) limits applications.
• The scarcity and cost of noble metals necessitate exploration of alternative materials for broader accessibility and spectral range utilization.

Purpose of the Study:

• To review synthetic strategies and recent advances in nonnoble-metal-based plasmonic nanostructures.
• To explore the potential of abundant, inexpensive nonnoble metals (Cu, Al, Mg, In, Ga, Pb, Ni, Co, Fe) and their hybrids.
• To discuss the synthesis, properties, applications, and challenges of these emerging plasmonic materials.

Main Methods:

• Review of literature on the synthesis of nonnoble-metal plasmonic nanostructures.
• Analysis of properties arising from single nonnoble metals and their hybrid systems.
• Identification of application areas including photocatalysis, sensing, nanoantennas, metamaterials, and magnetoplasmonics.

Main Results:

• Nonnoble metals offer a cost-effective and abundant alternative to noble metals for plasmonic applications.
• Hybrid nonnoble metal systems exhibit unique synergistic properties not found in single-component materials.
• These materials show promise in diverse fields, expanding the scope of plasmonic technologies.

Conclusions:

• Nonnoble-metal-based plasmonic nanostructures represent a significant advancement, overcoming limitations of traditional materials.
• Further research into synthesis and property tuning will unlock their full potential across various scientific and technological domains.
• Addressing current challenges is key to the widespread adoption of these versatile nanomaterials.