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Molecular Coatings for Stabilizing Silver and Gold Nanocubes under Electron Beam Irradiation

TitleMolecular Coatings for Stabilizing Silver and Gold Nanocubes under Electron Beam Irradiation
Publication TypeJournal Article
Year of Publication2017
AuthorsTan, Shu Fen, Bosman Michel, and Nijhuis Christian A.
JournalLangmuir
Volume33
Pagination1189–1196
Date Published02/2017
ISSN0743-7463
Keywordsenhanced raman-scattering, radiation-damage, shape-controlled synthesis
Abstract

We study the degradation process of closely spaced silver and gold nanocubes under high-energy electron beam irradiation using transmission electron microscopy (TEM). The high aspect ratio gaps between silver and gold nanocubes degraded in many cases as a result of protrusion and filament formation during electron beam irradiation. We demonstrate that the molecular coating of the nanoparticles can act as a protective barrier to minimize electron -beam-induced damage on passivated gold and silver nanoparticles.

DOI10.1021/acs.langmuir.6b03721

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