Hollow Nanospheres Array Fabrication via Nano-Conglutination Technology

Area of Science:

• Materials Science
• Nanotechnology
• Surface Chemistry

Background:

• Hollow nanosphere arrays are critical nanostructures with diverse applications in photonics, electronics, and biochemistry.
• High-resolution nanofabrication techniques are essential for advancing nanoscience and nanotechnology.

Purpose of the Study:

• To present a novel nonconventional nano-conglutination technology for fabricating hollow nanosphere arrays with nanoholes.
• To demonstrate the utility of thiol-ene polymer as an adhesive material in this nano-conglutination process.

Main Methods:

• Utilized polystyrene spheres (PSs) for self-assembly into a monolayer on a quartz wafer.
• Employed a thiol-ene adhesive material for detaching the PSs monolayer, followed by a lift-off process to remove the PSs.
• Leveraged UV-curable thiol-ene polymer, which undergoes 'click chemistry' at ambient conditions without oxygen inhibition.

Main Results:

• Successfully fabricated a hollow nanosphere array with nanoholes (200 nm diameter) embedded in a rigid thiol-ene substrate.
• The thiol-ene polymer exhibited excellent chemical and physical properties, making it suitable for nano-conglutination.

Conclusions:

• The developed nano-conglutination technique offers a viable method for creating hollow nanosphere arrays with controlled nanoholes.
• The fabricated nanostructures show significant potential for use as reaction containers, catalysts, and surface-enhanced Raman scattering (SERS) substrates.