Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 9, 2014
|
|
---|---|---|
Article Number | 14030 | |
Number of page(s) | 7 | |
DOI | https://doi.org/10.2971/jeos.2014.14030 | |
Published online | 07 August 2014 |
Regular papers
Nonlinear optical properties of Au-nanoparticles conjugated with lipoic acid in water
1
DEM-DICIS Universidad de Guanajuato, Carretera Salamanca-Valle de Santiago km 3.5 + 1.8 Comunidad de Palo Blanco, Salmanaca, Guanajuato 33885, México
2
Instituto de Ingeniería y Tecnología, Universidad Autónoma de Ciudad Juárez, Av. del Charro No. 450 Norte, Ciudad Juárez, Chihuahua 32310, México
3
Departamento de Electronica Universidad de Guanajuato, Carretera Salamanca-Valle de Santiago km 3.5 + 1.8 Comunidad de Palo Blanco, Salmanaca, Guanajuato 33885, México
4
Student at Departamento de Estudios Multidisciplinarios DICIS Universidad de Guanajuato, Carretera Salamanca-Valle de Santiago km 3.5 + 1.8 Comunidad de Palo Blanco, Salmanaca, Guanajuato 33885, México
5
Centro de Fisica Aplicada y Tecnologia Avanzada Universidad Nacional Autonoma de Mexico, Boulevard Juriquilla 3001 Quereetaro, Queretaro 76230, México
Received:
28
May
2014
Revised:
1
July
2014
Gold nanoparticles were chemically conjugated with lipoic acid to control their optical properties. Z-scan and other optical techniques were used to characterize the non-linear behavior of the resulting nanostructured materials. The results show that the nonlinearity is of thermal origin, which can be controlled by the use of lipoic acid as well as other organic molecules conjugated onto metal nanoparticles. In particular, the presence of lipoic acid increases n2, θ and dn/dt.
Key words: Nanoparticles / nonlinear optical properties / z-scan / lipoic acid
© The Author(s) 2014. All rights reserved.
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