Emerging plasmonic nanostructures for controlling and enhancing photoluminescence

Area of Science:

• Optics and Photonics
• Materials Science
• Nanotechnology

Background:

• Localised surface plasmon resonance (LSPR) in plasmonic nanostructures offers unique optical properties.
• Photoluminescence enhancement is a key phenomenon driven by light-nanostructure interactions.
• Applications span photonics, plasmonics, and biosensing.

Purpose of the Study:

• To introduce the fundamental principles of plasmonic nanostructure photoluminescence.
• To review recent advancements in plasmonic nanostructures for photoluminescence modulation and enhancement.
• To highlight the significance of one-photon photoluminescence.

Main Methods:

• Review of existing literature on plasmonic nanostructures and photoluminescence.
• Analysis of phenomena like surface-enhanced fluorescence and direct photoluminescence.
• Discussion of fundamental concepts and recent experimental findings.

Main Results:

• Plasmonic nanostructures significantly modulate and enhance photoluminescence.
• One-photon photoluminescence is a particularly important area of study.
• Various plasmonic nanostructures demonstrate surface-enhanced fluorescence and direct photoluminescence.

Conclusions:

• Understanding plasmonic nanostructure photoluminescence is crucial for fundamental science.
• These systems offer advanced capabilities for diverse applications.
• Further research can extend the utility of plasmonic nanostructures in sensing and photonics.