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4 March 2019 Nonlinear optical properties of “star type” triazotriphenylmethane dyes
C. J. Enriquez Sánchez, V. F. Marañon-Ruiz, K. M. Esparza Ramirez, J. Castañeda Contreras, S. M. Afanador Delgado, Y. Ramírez Quiros, R. Chiu Zarate
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Proceedings Volume 10902, Nonlinear Frequency Generation and Conversion: Materials and Devices XVIII; 109021O (2019) https://doi.org/10.1117/12.2508110
Event: SPIE LASE, 2019, San Francisco, California, United States
Abstract
Organic semiconductor dyes play a very important role in different criteria and fields of science, technology, and engineering for different applications, especially the absorption of visible light for solar cell devices, photo sensors, fluorescent, photoconductive devices. Basic fuchsine belongs to the triphenylmethane family. It is used on a large scale as a coloring agent for the staining of biological tissues, leather, and textile materials. The Z-scan technique is based on the principles of spatial distortion of the beam and offers simplicity, as well as a very high sensitivity for measuring both the nonlinear refractive index as well as the non-linear absorption coefficient. For the present work we propose the study of 6 star-type dyes derived from basic fushcine with azo groups added, by the Z-scan technique. A 1 × 10-4 M dilution of each dye in methanol was prepared. Subsequently, the linear characterization was made with the help of the UV-vis technique and finally, the analysis was carried out in the Z-scan equipment. The dyes have a λmax between 500-570 nm, and with n2 = -1.7 × 10-9 to 6.63 × 10-9 and β = 1.1 × 10-3 to 6.3 × 10-4. These results allow us to propose these dyes as good options for their incorporation into solar cells as well as optical absorbers.
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C. J. Enriquez Sánchez, V. F. Marañon-Ruiz, K. M. Esparza Ramirez, J. Castañeda Contreras, S. M. Afanador Delgado, Y. Ramírez Quiros, and R. Chiu Zarate "Nonlinear optical properties of “star type” triazotriphenylmethane dyes", Proc. SPIE 10902, Nonlinear Frequency Generation and Conversion: Materials and Devices XVIII, 109021O (4 March 2019); https://doi.org/10.1117/12.2508110
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KEYWORDS
Absorption
Refractive index
Molecules
Nonlinear optics
Stars
Optical properties
Organic materials
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