Anisotropic and enhanced absorptive nonlinearities in a macroscopic film induced by aligned gold nanorods

Jiafang Li; Siyun Liu; Ye Liu; Fei Zhou; Zhi Yuan Li

doi:10.1063/1.3458693

Anisotropic and enhanced absorptive nonlinearities in a macroscopic film induced by aligned gold nanorods

Jiafang Li^*, Siyun Liu, Ye Liu, Fei Zhou, Zhi Yuan Li

^*此作品的通讯作者

CAS - Institute of Physics

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68 引用（Scopus）

摘要

Anisotropic and enhanced nonlinear absorption (NLA) has been observed from aligned gold nanorods (GNRs) embedded in a poly(vinyl alcohol) film, which was realized by a stretched-film method. Open-aperture Z-scan experiments revealed that the stretch process enhanced the NLA coefficient by approximately nine times and increased the anisotropic factor of NLA to ∼20. The enhancement in the NLA coefficient reached as high as ∼91 times after increasing the concentration of GNRs by four times and this is attributed to the plasmonic interaction between densely packed GNRs.

源语言	英语
文章编号	263103
期刊	Applied Physics Letters
卷	96
期	26
DOI	https://doi.org/10.1063/1.3458693
出版状态	已出版 - 28 6月 2010
已对外发布	是

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abstract = "Anisotropic and enhanced nonlinear absorption (NLA) has been observed from aligned gold nanorods (GNRs) embedded in a poly(vinyl alcohol) film, which was realized by a stretched-film method. Open-aperture Z-scan experiments revealed that the stretch process enhanced the NLA coefficient by approximately nine times and increased the anisotropic factor of NLA to ∼20. The enhancement in the NLA coefficient reached as high as ∼91 times after increasing the concentration of GNRs by four times and this is attributed to the plasmonic interaction between densely packed GNRs.",

author = "Jiafang Li and Siyun Liu and Ye Liu and Fei Zhou and Li, {Zhi Yuan}",

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AU - Li, Jiafang

AU - Liu, Siyun

AU - Liu, Ye

AU - Zhou, Fei

AU - Li, Zhi Yuan

PY - 2010/6/28

Y1 - 2010/6/28

N2 - Anisotropic and enhanced nonlinear absorption (NLA) has been observed from aligned gold nanorods (GNRs) embedded in a poly(vinyl alcohol) film, which was realized by a stretched-film method. Open-aperture Z-scan experiments revealed that the stretch process enhanced the NLA coefficient by approximately nine times and increased the anisotropic factor of NLA to ∼20. The enhancement in the NLA coefficient reached as high as ∼91 times after increasing the concentration of GNRs by four times and this is attributed to the plasmonic interaction between densely packed GNRs.

AB - Anisotropic and enhanced nonlinear absorption (NLA) has been observed from aligned gold nanorods (GNRs) embedded in a poly(vinyl alcohol) film, which was realized by a stretched-film method. Open-aperture Z-scan experiments revealed that the stretch process enhanced the NLA coefficient by approximately nine times and increased the anisotropic factor of NLA to ∼20. The enhancement in the NLA coefficient reached as high as ∼91 times after increasing the concentration of GNRs by four times and this is attributed to the plasmonic interaction between densely packed GNRs.

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Anisotropic and enhanced absorptive nonlinearities in a macroscopic film induced by aligned gold nanorods

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