Exploring the benefits of electron tomography to characterize the precise morphology of core-shell Au@Ag nanoparticles and its implications on their plasmonic properties. Herńandez-Garrido, C, J, Moreno, S, M, Ducati, C, Pérez, A, L, Midgley, A, P, Coronado, & A, E Nanoscale, 6(21):12696--12702, 2014. Paper doi abstract bibtex In the design and engineering of functional core-shell nanostructures, material characterization at small length scales remains one of the major challenges. Here we show how electron tomography in high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) mode can be applied successfully to perform nano-metrological characterization of Au@Ag core-shell nanostructures. This work stresses the benefits of HAADF-STEM tomography and its use as a novel and rigorous tool for understanding the physical-chemical properties of complex 3D core-shell nanostructures. The reconstructed Au@Ag core-shell architecture was used as an input for discrete dipole approximation (DDA)-based electrodynamics simulations of the optical properties of the nanostructures. The implications of localized surface plasmon spectroscopy as well as Raman-enhanced spectroscopy are analysed.
@article{ Hernández-Garrido201412696,
abstract = {In the design and engineering of functional core-shell nanostructures, material characterization at small length scales remains one of the major challenges. Here we show how electron tomography in high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) mode can be applied successfully to perform nano-metrological characterization of Au@Ag core-shell nanostructures. This work stresses the benefits of HAADF-STEM tomography and its use as a novel and rigorous tool for understanding the physical-chemical properties of complex 3D core-shell nanostructures. The reconstructed Au@Ag core-shell architecture was used as an input for discrete dipole approximation (DDA)-based electrodynamics simulations of the optical properties of the nanostructures. The implications of localized surface plasmon spectroscopy as well as Raman-enhanced spectroscopy are analysed.},
annote = {cited By 0},
author = {Herń{a}ndez-Garrido, J C and Moreno, M S and Ducati, C and Pérez, L A and Midgley, P A and Coronado, E A},
doi = {10.1039/c4nr03017f},
issn = {20403364},
journal = {Nanoscale},
keywords = {Ag nanoparticle; Core-shell; Electron tomography; Plasmonic properties},
number = {21},
pages = {12696--12702},
title = {{Exploring the benefits of electron tomography to characterize the precise morphology of core-shell Au@Ag nanoparticles and its implications on their plasmonic properties}},
url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84907969852&partnerID=40&md5=de54c092385daffd448b752ac5323bc7},
volume = {6},
year = {2014}
}
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This work stresses the benefits of HAADF-STEM tomography and its use as a novel and rigorous tool for understanding the physical-chemical properties of complex 3D core-shell nanostructures. The reconstructed Au@Ag core-shell architecture was used as an input for discrete dipole approximation (DDA)-based electrodynamics simulations of the optical properties of the nanostructures. The implications of localized surface plasmon spectroscopy as well as Raman-enhanced spectroscopy are analysed.","annote":"cited By 0","author":["Herńandez-Garrido","C, J","Moreno","S, M","Ducati, C","Pérez","A, L","Midgley","A, P","Coronado","A, E"],"author_short":["Herńandez-Garrido","C, J","Moreno","S, M","Ducati, C","Pérez","A, L","Midgley","A, P","Coronado","A, E"],"bibtex":"@article{ Hernández-Garrido201412696,\n abstract = {In the design and engineering of functional core-shell nanostructures, material characterization at small length scales remains one of the major challenges. 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