Exploring the benefits of electron tomography to characterize the precise morphology of core-shell Au@Ag nanoparticles and its implications on their plasmonic properties. Hernández-Garrido, J C, Moreno, M S, Ducati, C, Pérez, L A, Midgley, P A, & Coronado, E A Nanoscale, 6(21):12696–702, Royal Society of Chemistry, nov, 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{Hernandez-Garrido2014,
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.},
author = {Hern{\'{a}}ndez-Garrido, J C and Moreno, M S and Ducati, C and P{\'{e}}rez, L A and Midgley, P A and Coronado, E A},
doi = {10.1039/c4nr03017f},
isbn = {10.1039/C4NR03017F},
issn = {2040-3372},
journal = {Nanoscale},
language = {en},
month = {nov},
number = {21},
pages = {12696--702},
pmid = {25215960},
publisher = {Royal Society of Chemistry},
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://pubs.rsc.org/en/content/articlehtml/2014/nr/c4nr03017f http://www.scopus.com/inward/record.url?eid=2-s2.0-84907969852{\&}partnerID=tZOtx3y1},
volume = {6},
year = {2014}
}
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