Recent Advances in Metal Nanoclusters: From Novel Synthesis to Emerging Applications

Area of Science:

• Nanotechnology and Materials Science
• Focus on metallic nanoclusters (NCs) bridging molecular and nanoparticle properties.

Background:

• Metallic nanoclusters (<3 nm) exhibit unique electronic, optical, and catalytic properties.
• Ligand control over NC surfaces allows for tunable characteristics.
• Classical synthesis methods are being surpassed by advanced techniques.

Purpose of the Study:

• To review recent advancements in metallic nanocluster synthesis and applications.
• To connect novel synthesis methodologies with functional potential in nanotechnology.
• To highlight progress over the past five years.

Main Methods:

• Exploration of emerging synthesis strategies: microwave-, photochemical-, sonochemical-, and catalytically assisted methods.
• Integration of smart, automation-driven platforms for improved synthesis.
• Review of literature focusing on studies from the last five years.

Main Results:

• Development of faster, more reproducible, and scalable NC synthesis routes.
• Enhanced efficiency, structural control, and environmental compatibility in NC production.
• Demonstrated applications in deep-tissue imaging, ultrasensitive sensing, and efficient catalysis (CO2 reduction, water splitting, N2 fixation).

Conclusions:

• Metallic nanoclusters are crucial for next-generation nanotechnology.
• Advanced synthesis techniques are unlocking broader and more sophisticated applications.
• NCs are enabling breakthroughs in medical diagnostics, environmental remediation, and energy conversion.