Polymer-assisted self-assembly of gold nanoparticle monolayers and their dynamical switching† †Electronic supplementary information (ESI) available: Reflection spectra of AuNP monolayer at the LLI, and repeatability; reflection spectra of different packing densities; scheme showing how the AuNPs actuate on the Si substrate. See DOI: 10.1039/c6nr05199e. The dataset of the figures in this paper can be found at http://dx.doi.org/10.17863/CAM.1194 Click here for additional data file.
نویسندگان
چکیده
Dynamic switching of plasmonic monolayers built of gold nanoparticles (AuNPs) is achieved using nano-coatings of poly(isopropyl acrylamide) (PNIPAM). The distance between AuNPs can be dynamically tuned through the repeatable expansion and contraction of the PNIPAM shells at different temperatures, which results in rapid switching of the optical properties of the AuNP monolayer.
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