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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41205

Title: Nonlocality and particle-clustering effects on the optical response of composite materials with metallic nanoparticles
Authors: C. W. Chen;H. Y. Chung;H.-P. Chiang;J. Y. Lu;R. Chang;D. P. Tsai;P. T. Leung
Contributors: 國立臺灣海洋大學:光電科學研究所
Date: 2010
Issue Date: 2017-02-10T02:41:40Z
Publisher: Applied Physics
Abstract: Abstract: The optical properties of composites with metallic nanoparticles are studied, taking into account the effects due to the nonlocal dielectric response of the metal and the coalescing of the particles to form clusters. An approach based on various effective medium theories is followed, and the modeling results are compared with those from the cases with local response and particles randomly distributed through the host medium. Possible observations of our modeling results are illustrated via a calculation of the transmission of light through a thin film made of these materials. It is found that the nonlocal effects are particularly significant when the particles coalesce, leading to blue-shifted resonances and slightly lower values in the dielectric functions. The dependence of these effects on the volume fraction and fractal dimension of the metal clusters is studied in detail.
Relation: 101(191)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41205
Appears in Collections:[光電科學研究所] 期刊論文

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