Improving the stability of plasmonic magnesium nanoparticles in aqueous media
Source abstract
Abstract
This work describes two different core-shell architectures based on Mg nanoparticles (NPs) synthesised in order to improve Mg's stability in aqueous solutions. The shell thickness in Mg-polydopamine NPs can be modulated from 5 to >50 nm by ending the polymerization at different times; the resulting structures stabilize the metallic, plasmonic core in water for well over an hour. Mg-silica NPs with shells ranging from 5 to 30 nm can also be prepared via a modified Stöber procedure and they retain optical properties in 5% water-in-isopropanol solutions. These new architectures allow Mg nanoplasmonics to be investigated as an alternative to Ag and Au in a broader range of experimental conditions for a rich variety of applications.
Source: europepmc · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Gold and Silver Nanoparticles Synthesis and Applications · Nanoparticle-Based Drug Delivery · Copper-based nanomaterials and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, CB3 0FS, UK
Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ, UK
Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB3 0AS, UK
Funding
H2020 European Research Council · Natural Sciences and Engineering Research Council of Canada · Fonds de recherche du Québec – Nature et technologies · Engineering and Physical Sciences Research Council
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