Тип публикации: статья из журнала
Год издания: 2011
Идентификатор DOI: 10.1134/S1061933X11020037
Ключевые слова: Brownian Dynamics, Coupled dipole method, Dielectric substrates, Experimental data, Extinction spectra, Nanoparticle aggregate, Planar deformation, Plasmon absorption bands, Three-dimensional nanoparticles, Aggregates, Brownian movement, Dielectric materials, Nanoparticles, Plasmons, Substrates, Deformation
Аннотация: Variations in the extinction spectra of aggregates of plasmon-resonant nanoparticles are studied at different stages of their planar deformation during interaction with dielectric substrates. Deformation and extinction spectra are calculated by the Brownian dynamics and coupled dipole methods, respectively. The effect of planar deformation of the aggregates on the pattern of the extinction contour in the range of the plasmon absorption band is analyzed by the example of aggregated silver hydrosols. It is shown that the extinction spectra of three-dimensional nanoparticle aggregates formed in bulk and those deformed upon deposition onto a substrate are markedly different. The calculation results are confirmed by experimental data.
Издание
Журнал: COLLOID JOURNAL
Выпуск журнала: Vol. 73, Is. 2
Номера страниц: 206-215
ISSN журнала: 1061933X
Место издания: NEW YORK
Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER
Персоны
- Karpov S.V. (Siberian Federal University)
- Isaev I.L. (Kirenskii Institute of Physics,Siberian Division,Russian Academy of Sciences)
- Gerasimov V.S. (Siberian Federal University)
- Grachev A.S. (Siberian Federal University)
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