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Surface plasmon resonance in gold nanoparticles: a review
Vincenzo Amendola1,2, Roberto Pilot1,2, Marco Frasconi1
1Department of Chemical Sciences, University of Padova, via Marzolo 1, I-35131 Padova, Italy.
Summary
Gold nanoparticles exhibit plasmon resonance, crucial for applications like sensing and energy conversion. Advanced modeling now incorporates quantum effects for precise understanding of these phenomena.
Area of Science:
- Physics, Nanotechnology, Materials Science
Background:
- Plasmon resonance in gold nanoparticles (Au NPs) is a key area of research.
- Modeling plasmon physics is complex due to sensitivity to intrinsic and environmental factors.
- Quantum effects are increasingly necessary to refine standard electromagnetic approaches.
Purpose of the Study:
- To provide an overview of plasmon resonance in Au NPs.
- To discuss the background and modeling challenges.
- To report on the current state-of-the-art and recent applications.
Main Methods:
- Review of plasmon physics principles.
- Discussion of electromagnetic and quantum modeling approaches.
- Survey of experimental and theoretical findings.
Main Results:
- Plasmons in Au NPs are highly sensitive to various factors.
- Quantum effects are essential for accurate modeling.
- Numerous applications exist, including sensing, photothermal therapy, and catalysis.
Conclusions:
- Plasmon resonance in Au NPs is a dynamic field with significant technological potential.
- Accurate modeling requires integrating classical and quantum physics.
- Continued research promises further advancements in diverse applications.
