Open Access
Nanomaterials, volume 12, issue 22, pages 4011
FDTD Simulations of Shell Scattering in Au@SiO2 Core–Shell Nanorods with SERS Activity for Sensory Purposes
Publication type: Journal Article
Publication date: 2022-11-15
PubMed ID:
36432298
General Chemical Engineering
General Materials Science
Abstract
The article describes the results of Finite-Difference Time-Domain (FDTD) mathematical modeling of electromagnetic field parameters near the surfaces of core–shell gold-based nanorods in the Au@SiO2 system. Three excitation linewidths (λ = 532, 632.8, and 785 nm) were used for theoretical experiments. Electric field parameters for Au nanorods, Au@SiO2 nanorods, and hollow SiO2 shells have been calculated and evaluated. The correlations between electric field calculated parameters with nanorod morphology and shell size parameters have been clarified. The optical properties of nanoobjects have been simulated and discussed. The highest maximum calculated value of the electric field tension was E = 7.34 V/m. The enhancement coefficient was |E/E0|4 = 3.15 × 107 and was obtained on a rod with a SiO2 shell with dimensional parameters of height 70 nm, rod width 20 nm, and shell thickness 20 nm. As a result, a flexible simulation algorithm has been developed for the simulation of electric field parameters in each component of the Au@SiO2 system. The developed simulation algorithm will be applicable in the future for any other calculations of optical parameters in any similar component of the core–shell system.
Citations by journals
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1
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ACS Applied Nano Materials
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ACS Applied Nano Materials
1 publication, 50%
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Surface and Interface Analysis
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Surface and Interface Analysis
1 publication, 50%
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1
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Citations by publishers
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1
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American Chemical Society (ACS)
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American Chemical Society (ACS)
1 publication, 50%
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Wiley
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Wiley
1 publication, 50%
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Kon I., Zyubin A., Samusev I. FDTD Simulations of Shell Scattering in Au@SiO2 Core–Shell Nanorods with SERS Activity for Sensory Purposes // Nanomaterials. 2022. Vol. 12. No. 22. p. 4011.
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Kon I., Zyubin A., Samusev I. FDTD Simulations of Shell Scattering in Au@SiO2 Core–Shell Nanorods with SERS Activity for Sensory Purposes // Nanomaterials. 2022. Vol. 12. No. 22. p. 4011.
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TY - JOUR
DO - 10.3390/nano12224011
UR - https://doi.org/10.3390%2Fnano12224011
TI - FDTD Simulations of Shell Scattering in Au@SiO2 Core–Shell Nanorods with SERS Activity for Sensory Purposes
T2 - Nanomaterials
AU - Kon, Igor
AU - Zyubin, Andrey
AU - Samusev, Ilia
PY - 2022
DA - 2022/11/15 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 4011
IS - 22
VL - 12
PMID - 36432298
SN - 2079-4991
ER -
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@article{2022_Kon,
author = {Igor Kon and Andrey Zyubin and Ilia Samusev},
title = {FDTD Simulations of Shell Scattering in Au@SiO2 Core–Shell Nanorods with SERS Activity for Sensory Purposes},
journal = {Nanomaterials},
year = {2022},
volume = {12},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {nov},
url = {https://doi.org/10.3390%2Fnano12224011},
number = {22},
pages = {4011},
doi = {10.3390/nano12224011}
}
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Kon, Igor, et al. “FDTD Simulations of Shell Scattering in Au@SiO2 Core–Shell Nanorods with SERS Activity for Sensory Purposes.” Nanomaterials, vol. 12, no. 22, Nov. 2022, p. 4011. https://doi.org/10.3390%2Fnano12224011.