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Synthesis Methods and Optical Sensing Applications of Plasmonic Metal Nanoparticles Made from Rhodium, Platinum,
Elizaveta Demishkevich1, Andrey Zyubin1, Alexey Seteikin1,2
1Research and Educational Center, Fundamental and Applied Photonics, Nanophotonics, Immanuel Kant Baltic Federal University, 236016 Kaliningrad, Russia.
Materials (Basel, Switzerland)
|May 13, 2023
Summary
This review covers plasmonic metal nanoparticles (gold, silver, rhodium, platinum) for advanced optical sensing. These nanoparticles enable highly sensitive detection across various fields, from biomedicine to environmental monitoring.
Area of Science:
- Materials Science
- Nanotechnology
- Optical Physics
Background:
- Plasmonic metal nanoparticles exhibit unique optical properties due to localized surface plasmon resonance.
- These properties enable highly sensitive detection of various analytes, driving interest in applications like biosensing and environmental monitoring.
Purpose of the Study:
- To provide a comprehensive review of plasmonic metal nanoparticles (rhodium, platinum, gold, silver).
- To detail their fundamental concepts, synthesis methods, and diverse optical sensing applications.
- To highlight their potential in UV plasmonics and enhanced optical sensing techniques.
Main Methods:
- Review of fundamental concepts and electromagnetic theory behind plasmonic enhancement.
- Finite-difference time-domain (FDTD) numerical simulations to confirm plasmonic enhancement.
- Examination of synthesis methods including chemical, physical, and green approaches.
Main Results:
- Plasmonic metal nanoparticles offer a versatile platform for sensitive detection.
- Localized surface plasmon resonance in gold and silver nanoparticles is crucial for analyte detection and biosensing.
- Rhodium and platinum nanoparticles show promise for UV plasmonic applications like UV-MEF and UV-SERS.
Conclusions:
- Plasmonic metal nanoparticles are vital for advanced optical sensing, with broad applications in diagnostics, environmental monitoring, and safety.
- Further research into UV plasmonics and diverse synthesis methods will expand their utility.
- This review aims to stimulate further interest in the optical sensing capabilities of these nanoparticles.
