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Overview of Synthetic Methods to Prepare Plasmonic Transition-Metal Nitride Nanoparticles
Reem A Karaballi1, Yashar E Monfared1, Mita Dasog1
1Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, B3H 4R2, Canada.
Chemistry (Weinheim an Der Bergstrasse, Germany)
|February 19, 2020
Summary
Metal nitrides are emerging as cost-effective, stable alternatives to noble metals for plasmonic applications. This review details synthesis methods for metal nitride nanoparticles and their properties.
Area of Science:
- Materials Science
- Nanotechnology
- Plasmonics
Background:
- Noble metal plasmonic materials (e.g., silver, gold) face limitations in cost and stability.
- Metal nitrides offer promising alternatives due to their tunable electronic and optical properties.
- Computational studies initially predicted the plasmonic potential of metal nitrides.
Purpose of the Study:
- To review synthetic techniques for preparing plasmonic metal nitride nanoparticles.
- To summarize the physical and optical properties of these synthesized nanoparticles.
- To highlight advancements in empirical analysis of metal nitride plasmonics.
Main Methods:
- Solid-state and solid-gas phase reactions
- Nonthermal and arc plasma methods
- Laser ablation techniques
Main Results:
- Successful synthesis of predominantly free-standing metal nitride nanoparticles.
- Characterization of nanoparticle properties including shape, size, and crystallinity.
- Correlation of synthesis methods with resulting optical responses.
Conclusions:
- Various synthetic methods enable the empirical study of plasmonic metal nitrides.
- Metal nitride nanoparticles present viable, stable, and low-loss alternatives to traditional plasmonic materials.
- Further research into synthesis and properties will advance plasmonic applications.
