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

^*Corresponding author for this work

CAS - Institute of Physics

Research output: Contribution to journal › Article › peer-review

68 Citations (Scopus)

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.

Original language	English
Article number	263103
Journal	Applied Physics Letters
Volume	96
Issue number	26
DOIs	https://doi.org/10.1063/1.3458693
Publication status	Published - 28 Jun 2010
Externally published	Yes

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Li, J., Liu, S., Liu, Y., Zhou, F., & Li, Z. Y. (2010). Anisotropic and enhanced absorptive nonlinearities in a macroscopic film induced by aligned gold nanorods. Applied Physics Letters, 96(26), Article 263103. https://doi.org/10.1063/1.3458693

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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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VL - 96

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M1 - 263103

ER -

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

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