AI Article Synopsis
- Recent advancements in UV plasmonics have highlighted nanoparticles made from non-noble metals like gallium, particularly focusing on the suspensions of the eutectic gallium-indium (EGaIn) alloy in ethanol.
- Experimental results show strong UV plasmonic resonances in these liquid-metal nanoparticles, which were analyzed using Mie theory for a better understanding.
- The findings pave the way for further research on novel applications of these nanoparticles in fields such as biomedical imaging, sensing, and flexible electronics.
Article Abstract
Nanoparticles made of non-noble metals such as gallium have recently attracted significant attention due to promising applications in UV plasmonics. To date, experiments have mostly focused on solid and liquid pure gallium particles immobilized on solid substrates. However, for many applications, colloidal liquid-metal nanoparticle solutions are vital. Here, we experimentally demonstrate strong UV plasmonic resonances of eutectic gallium-indium (EGaIn) liquid-metal alloy nanoparticles suspended in ethanol. We rationalise experimental results through a theoretical model based on Mie theory. Our results contribute to the understanding of UV plasmon resonances in colloidal liquid-metal EGaIn nanoparticle suspensions. They will also enable further research into emerging applications of UV plasmonics in biomedical imaging, sensing, stretchable electronics, photoacoustics, and electrochemistry.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6441023 | PMC |
| http://dx.doi.org/10.1038/s41598-019-41789-8 | DOI Listing |
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