The optical nonlinearity of gold nanoparticles prepared by bioreduction method

A. Balbuena Ortega, M. L. Arroyo Carrasco, V. L. Gayou, A. Orduña Díaz, R. Delgado Macuil, Marlon Rojas López

Research output: Contribution to conferencePaper

Abstract

Nonlinear optical and electronic properties of nanosized metal particles have drawn considerable attention because of their strong and size-dependent plasmon resonance absorption. In a metal nanoparticle system such as gold dispersed in a transparent matrix, an absorption peak due to surface plasmon resonance is usually observed in the visible spectral region. Metal nanoparticles are of special interest as nonlinear materials for optical switching and computing because of their relatively large third-order nonlinearity (Χ3) and ultrafast response time. The purpose of this study was to analyze the nonlinear optical properties of biosynthesized gold nanoparticles. The samples were prepared by biosynthesis method using yeast extract as reducing agent and the nonlinear optical properties of the nanoparticles were investigated using a single beam Z-scan technique with a beam power of 20 mW and operated at wavelength of 514 nm. The reaction between metal ions and yeast extracts were monitored by UV-visible spectra of Au nanoparticles in aqueous solution with different pH (3-6). The surface plasmon peak position was shifted from 528 nm to 573 nm, according to of pH variation 4 to 6. The average particle size was calculated by the absorption peak position using the Fernig method, from 42 to 103 nm. The z-scan curves showed a negative nonlocal nonlinear refractive index with a magnitude dependent on the nanoparticle size. © 2013 SPIE.
Original languageAmerican English
DOIs
StatePublished - 1 Dec 2013
EventProceedings of SPIE - The International Society for Optical Engineering -
Duration: 1 Jan 2015 → …

Conference

ConferenceProceedings of SPIE - The International Society for Optical Engineering
Period1/01/15 → …

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Gold Nanoparticles
Gold
nonlinearity
Nonlinearity
gold
Nanoparticles
nanoparticles
Optical properties
Metal nanoparticles
Z-scan
Optical Properties
Metal Nanoparticles
Absorption
Yeast
Surface Plasmon
yeast
optical properties
Metals
Optical Computing
Biosynthesis

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Balbuena Ortega, A., Arroyo Carrasco, M. L., Gayou, V. L., Orduña Díaz, A., Delgado Macuil, R., & López, M. R. (2013). The optical nonlinearity of gold nanoparticles prepared by bioreduction method. Paper presented at Proceedings of SPIE - The International Society for Optical Engineering, . https://doi.org/10.1117/12.2026459
Balbuena Ortega, A. ; Arroyo Carrasco, M. L. ; Gayou, V. L. ; Orduña Díaz, A. ; Delgado Macuil, R. ; López, Marlon Rojas. / The optical nonlinearity of gold nanoparticles prepared by bioreduction method. Paper presented at Proceedings of SPIE - The International Society for Optical Engineering, .
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Balbuena Ortega, A, Arroyo Carrasco, ML, Gayou, VL, Orduña Díaz, A, Delgado Macuil, R & López, MR 2013, 'The optical nonlinearity of gold nanoparticles prepared by bioreduction method', Paper presented at Proceedings of SPIE - The International Society for Optical Engineering, 1/01/15. https://doi.org/10.1117/12.2026459

The optical nonlinearity of gold nanoparticles prepared by bioreduction method. / Balbuena Ortega, A.; Arroyo Carrasco, M. L.; Gayou, V. L.; Orduña Díaz, A.; Delgado Macuil, R.; López, Marlon Rojas.

2013. Paper presented at Proceedings of SPIE - The International Society for Optical Engineering, .

Research output: Contribution to conferencePaper

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T1 - The optical nonlinearity of gold nanoparticles prepared by bioreduction method

AU - Balbuena Ortega, A.

AU - Arroyo Carrasco, M. L.

AU - Gayou, V. L.

AU - Orduña Díaz, A.

AU - Delgado Macuil, R.

AU - López, Marlon Rojas

PY - 2013/12/1

Y1 - 2013/12/1

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Balbuena Ortega A, Arroyo Carrasco ML, Gayou VL, Orduña Díaz A, Delgado Macuil R, López MR. The optical nonlinearity of gold nanoparticles prepared by bioreduction method. 2013. Paper presented at Proceedings of SPIE - The International Society for Optical Engineering, . https://doi.org/10.1117/12.2026459