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Plasmonic Core-Shell Nanomaterials and their Applications in Spectroscopies
Yue-Jiao Zhang1, Petar M Radjenovic1, Xiao-Shun Zhou2
1College of Energy, State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, College of Materials, Xiamen University, Xiamen, 361005, China.
Advanced Materials (Deerfield Beach, Fla.)
|April 3, 2021
Summary
Plasmonic core-shell nanostructures enhance spectroscopy sensitivity by generating localized electromagnetic fields. This review covers advancements in shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) and other plasmon-enhanced techniques.
Area of Science:
- Nanotechnology and Materials Science
- Optical Spectroscopy
- Surface Chemistry
Background:
- Plasmonic core-shell nanostructures offer tunable optical properties.
- These structures are crucial for enhancing spectroscopic sensitivity.
- Plasmon-enhanced spectroscopies leverage localized electromagnetic fields.
Purpose of the Study:
- To review recent developments in plasmon-enhanced spectroscopies.
- To highlight the role of core-shell nanostructures in these techniques.
- To discuss applications in Raman, fluorescence, and nonlinear spectroscopy.
Main Methods:
- Utilizing plasmonic core-shell nanostructures for signal amplification.
- Employing shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS).
- Exploring plasmon enhancement in fluorescence and nonlinear spectroscopies.
Main Results:
- Core-shell nanostructures significantly boost spectroscopic signals.
- SHINERS demonstrates high sensitivity for surface analysis.
- Plasmon enhancement improves detection limits in various spectroscopic methods.
Conclusions:
- Plasmonic core-shell nanostructures are key to advancing sensitive spectroscopic techniques.
- Continued research promises further improvements in spectroscopy.
- These nanomaterials offer broad applicability in scientific analysis.
