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Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
Published on: November 21, 2019
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Magnesium plasmonics for UV applications and chiral sensing
Hyeon-Ho Jeong1, Andrew G Mark2, Peer Fischer3
1Max Planck Institute for Intelligent Systems, Heisenbergstr. 3, 70569 Stuttgart, Germany and Institute of Materials, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland.
Chemical Communications (Cambridge, England)
|October 7, 2016
Summary
Chiral magnesium nanoparticles exhibit significant ultraviolet plasmonic and chiroptical effects. Their nanohelical structure enhances local surface plasmon resonance sensitivity for UV applications.
Area of Science:
- Nanotechnology
- Plasmonics
- Chiroptics
Background:
- Chiral nanomaterials offer unique optical properties.
- Magnesium nanoparticles are explored for plasmonic applications.
- Ultraviolet (UV) region interactions are crucial for sensing and spectroscopy.
Purpose of the Study:
- To demonstrate the UV plasmonic and chiroptical effects of chiral magnesium nanoparticles.
- To investigate the influence of nanohelical morphology on optical properties.
- To assess the potential of these nanoparticles for enhanced UV sensing.
Main Methods:
- Synthesis of chiral magnesium nanoparticles with nanohelical structures.
- Characterization of plasmonic extinction properties in the UV region.
- Evaluation of chiroptical responses, including circular dichroism.
- Analysis of local surface plasmon resonance (LSPR) sensitivity.
Main Results:
- Chiral magnesium nanoparticles exhibit strong plasmonic extinction in the UV region.
- Remarkable chiroptical effects were observed for the nanohelices.
- The nanohelical structure leads to enhanced LSPR sensitivity.
- Sensitivity is attributed to strong dispersion of substances in the UV region.
Conclusions:
- Chiral magnesium nanohelices are promising for UV plasmonic and chiroptical applications.
- The enhanced LSPR sensitivity opens possibilities for UV-based sensing.
- Further research can explore tailored chiral magnesium nanostructures for specific UV interactions.
