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Open AccessArticle

Navigation of Silver/Carbon Nanoantennas in Organic Fluids Explored by a Two-Wave Mixing

1
Sección de Estudios de Posgrado e Investigación, Escuela Superior de Ingeniería Mecánica y Eléctrica Unidad Zacatenco, Instituto Politécnico Nacional, Ciudad de México 07738, Mexico
2
Departamento de Ingeniería de Materiales, Tecnológico de Estudios Superiores de Coacalco, Cabecera Municipal 55700, Mexico
3
Escuela Superior de Ingeniería Química e Industrias Extractivas, Instituto Politécnico Nacional, Ciudad de México 07738, Mexico
4
Centro de Investigación para los Recursos Naturales, Salaices 33941, Mexico
*
Author to whom correspondence should be addressed.
Nanomaterials 2020, 10(9), 1886; https://doi.org/10.3390/nano10091886
Received: 4 August 2020 / Revised: 1 September 2020 / Accepted: 3 September 2020 / Published: 21 September 2020
(This article belongs to the Special Issue Applications of Nanofluids)
Within this work are analyzed third-order nonlinear optical properties with a potential influence on the dynamic mechanics exhibited by metal/carbon nanofluids. The nanofluids were integrated by multiwall carbon nanotubes decorated with Ag nanoparticles suspended in ethanol or in acetone. Optical third-order nonlinearities were experimentally explored by vectorial two-wave mixing experiments with a Nd-YAG laser system emitting nanosecond pulses at a 532 nm wavelength. An optically induced birefringence in the metal/organic samples seems to be responsible for a significant modification in density and compressibility modulus in the nanosystems. The measured nonlinear refractive index was associated with a thermal process together with changes in density, compressibility modulus and speed of sound in the samples. Nanofluid diffusivity was studied to characterize the dynamic concentration gradients related to the precipitation of nanostructures in the liquid solutions. The evolution of the nanoparticle density suspended in the nanofluids was considered as a temporal-resolved probabilistic system. It is stated that the incorporation of Ag nanoparticles in carbon nanotubes produces strong mechanical changes in carbon-based nanofluids. According to numerical simulations and optical evaluations, immediate applications for developing dynamic nanoantennas optical logic gates and quantum-controlled metal/carbon systems can be contemplated. View Full-Text
Keywords: nonlinear optics; two-wave mixing; silver nanoparticles; carbon nanostructures; diffusivity; nanoantenas nonlinear optics; two-wave mixing; silver nanoparticles; carbon nanostructures; diffusivity; nanoantenas
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MDPI and ACS Style

García-Beltrán, G.; Mercado-Zúñiga, C.; Torres-SanMiguel, C.R.; Trejo-Valdez, M.; Villalpando, I.; Torres-Torres, C. Navigation of Silver/Carbon Nanoantennas in Organic Fluids Explored by a Two-Wave Mixing. Nanomaterials 2020, 10, 1886.

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