by Olivia Borrell-Grueiro, Yanela Mendez-González, Miguel L. Crespillo, José Olivares, Diego J. Ramos-Ramos, Elena Junquera, Luis Bañares, Andrés Guerrero-Martínez, Antonio Rivera and Ovidio Peña-Rodríguez
Abstract:
The elongation of metallic nanoparticles (NPs) embedded in a dielectric matrix after irradiation with swift heavy ions is a phenomenon that has been known for several years. However, the precise mechanism behind this deformation process is still not fully understood, primarily due to the dearth of information during intermediate stages of deformation. In this study, we report the continuation of our previous work [Peña-Rodríguez et al., Sci. Rep. 7(1), 922 (2017)], exploiting the strong dependence of the localized surface plasmon resonance on the aspect ratio of elongated metal NPs to study the elongation kinetics in situ. In situ optical absorption spectra were measured using a polarizing beam splitter to separate the longitudinal and transverse plasmon modes of the anisotropic NPs. Then, the detailed geometrical and compositional parameters were determined from a fit of these spectra. The use of linearly polarized light allowed for a more accurate analysis of the elongation kinetics, particularly useful in the first stages, where longitudinal and transverse modes overlap.
Reference:
Olivia Borrell-Grueiro, Yanela Mendez-González, Miguel L. Crespillo, José Olivares, Diego J. Ramos-Ramos, Elena Junquera, Luis Bañares, Andrés Guerrero-Martínez, Antonio Rivera and Ovidio Peña-Rodríguez, “Effects of swift heavy ions on metal nanoparticles embedded in silica: Using linearly polarized light to monitor the elongation kinetics”, The Journal of Chemical Physics, vol. 161, no. 5, pp. 054706.
Bibtex Entry:
@article{borrell-grueiro_effects_2024,
title = {Effects of swift heavy ions on metal nanoparticles embedded in silica: {Using} linearly polarized light to monitor the elongation kinetics},
volume = {161},
issn = {0021-9606},
shorttitle = {Effects of swift heavy ions on metal nanoparticles embedded in silica},
url = {https://doi.org/10.1063/5.0219685},
doi = {10.1063/5.0219685},
abstract = {The elongation of metallic nanoparticles (NPs) embedded in a dielectric matrix after irradiation with swift heavy ions is a phenomenon that has been known for several years. However, the precise mechanism behind this deformation process is still not fully understood, primarily due to the dearth of information during intermediate stages of deformation. In this study, we report the continuation of our previous work [Peña-Rodríguez et al., Sci. Rep. 7(1), 922 (2017)], exploiting the strong dependence of the localized surface plasmon resonance on the aspect ratio of elongated metal NPs to study the elongation kinetics in situ. In situ optical absorption spectra were measured using a polarizing beam splitter to separate the longitudinal and transverse plasmon modes of the anisotropic NPs. Then, the detailed geometrical and compositional parameters were determined from a fit of these spectra. The use of linearly polarized light allowed for a more accurate analysis of the elongation kinetics, particularly useful in the first stages, where longitudinal and transverse modes overlap.},
number = {5},
urldate = {2024-09-03},
journal = {The Journal of Chemical Physics},
author = {Borrell-Grueiro, Olivia and Mendez-González, Yanela and Crespillo, Miguel L. and Olivares, José and Ramos-Ramos, Diego J. and Junquera, Elena and Bañares, Luis and Guerrero-Martínez, Andrés and Rivera, Antonio and Peña-Rodríguez, Ovidio},
month = aug,
year = {2024},
pages = {054706},
file = {Full Text PDF:E:\Usuarios\Administrator\Zotero\storage\G2KWPK75\Borrell-Grueiro et al. - 2024 - Effects of swift heavy ions on metal nanoparticles.pdf:application/pdf;Snapshot:E:\Usuarios\Administrator\Zotero\storage\AD5KLMN6\Effects-of-swift-heavy-ions-on-metal-nanoparticles.html:text/html},
}