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Enhanced optical nonlinearities of hybrid graphene oxide films functionalized with gold nanoparticles

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posted on 2024-07-09, 14:55 authored by Scott Fraser, Xiaorui Zheng, Ling Qiu, Dan Li, Baohua Jia
We report a flexible method to functionalize highly transparent graphene oxide (GO) film with gold nanoparticles (AuNPs). Nonlinear absorption and refraction of the hybrid films are measured, which are strongly enhanced and tunable by different AuNP concentrations compared to both GO and AuNP-only samples. The enhanced nonlinearity is due to the effective functionalization of the hybrid films, which is verified by the ultraviolet-visible and Fourier-transform infrared spectra. Our low-loss hybrid GO-AuNP films provide a solid-state material platform for diverse nonlinear applications. The functionalizing method can serve as a universal strategy to manipulate the physical properties of hybrid GO.

Funding

Community and Behavioral Ecology of Cichlid Fishes

Directorate for Biological Sciences

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ISSN

0003-6951

Journal title

Applied Physics Letters

Volume

107

Issue

3

Article number

article no. 031112

Pagination

3 pp

Publisher

American Institute of Physics

Copyright statement

Copyright © 2015 AIP Publishing LLC. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The published version is reproduced in accordance with the copyright policy of the publisher.

Language

eng

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