Linear and Nonlinear Optical Characterizations of TiO2-Based Hybrids at the Self-Action of CW Laser Irradiation and Picosecond Laser Pulses

Authors

  • A. V. Uklein Institute of Physics, Nat. Acad. of Sci. of Ukraine
  • V. V. Multian Institute of Physics, Nat. Acad. of Sci. of Ukraine
  • V. Ya. Gayvoronsky Institute of Physics, Nat. Acad. of Sci. of Ukraine

DOI:

https://doi.org/10.15407/ujpe58.12.1132

Keywords:

nonlinear optical response, self-action effect, cubic nonlinear optical susceptibility, charge separation efficienty

Abstract

The impact of the concentration of TiO2 nanoparticles on the optical and nonlinear optical (NLO) response of TiO2-based hybrids is studied. The characterization of variations of the optical scattering, photoinduced absorption, and refractive index under the excitation of continuous (CW) and picosecond laser pulses of studied samples is performed. The manifestation of the cooperative effect of nanoparticles at concentrations higher 4.4 ×1020 cm−3 of Ti atoms is observed. The effect is accompanied with the enhancement of the efficiency of charge separation processes at the organic-inorganic interface and with the photoinduced Ti^3+ centers polarizability reduction. The observed results indicate the optimal titanium concentration about 4.4 ×1020 cm−3 for the photonics application.

References

Z. Dang, J. Yuan, J. Zha, T. Zhou, Sh. Li, and G. Hud, Prog. Mater. Sci. 57, 660 (2012).

https://doi.org/10.1016/j.pmatsci.2011.08.001

A.I. Kuznetsov, O. Kameneva, N. Bityurin, L. Rozes, C. Sanchez, and A. Kanaev, Phys. Chem. Chem. Phys. 11, 1248 (2009).

https://doi.org/10.1039/b814494j

A. Uklein, P. Gorbovyi, M. Traore, and L. Museur, A. Kanaev, Opt. Mat. Exp. 3, 533 (2013).

https://doi.org/10.1364/OME.3.000533

A. Kanaev, P. Gorbovyi, A. Uklein, S. Tieng, O. Brinza, M. Traore, K. Chhor, and L. Museur, Nanoscale 3, 1807 (2011).

https://doi.org/10.1039/c0nr00909a

V.Ya. Gayvoronsky, V.N. Starkov, M.A. Kopylovsky, M.S. Brodyn, E.A. Vishnyakov, A.Yu. Boyarchuk, and I.M. Pritula, Ukr. J. Phys. 55, 875 (2010).

V. Gayvoronsky, A. Galas, E. Shepelyavyy, Th. Dittrich, V.Yu. Timoshenko, S.A. Nepijko, M.S. Brodyn, and F. Koch, Appl. Phys. B 80, 97 (2005).

https://doi.org/10.1007/s00340-004-1676-2

V.Ya. Gayvoronsky, L.A. Golovan, M.A. Kopylovsky, Yu.V. Gromov, S.V. Zabotnov, N.A. Piskunov, P.K. Kashkarov, and V.Yu. Timoshenko, Quant. El. 41, 257 (2011).

https://doi.org/10.1070/QE2011v041n03ABEH014416

A.V. Uklein, A.A. Vasko, E. Ouskova, M.S. Brodyn, and V.Ya. Gayvoronsky, Opt. Comm. 296, 79 (2013).

https://doi.org/10.1016/j.optcom.2013.01.011

S. Xiujing, Ch. Xiangjun, F. Guanghua, and Q. Shiliang, Appl. Sur. Sci., 256, 2620 (2010).

https://doi.org/10.1016/j.apsusc.2009.11.006

A. Yuwono, B. Liu, J. Xue, J. Wang, I. Elim et al., J. Mater. Chem. 14, 2978 (2004).

https://doi.org/10.1039/B403530E

A. Yuwono, J. Xue, J. Wang, I. Elim et al., J. Mater. Chem. 13, 1475 (2003).

https://doi.org/10.1039/b211976e

N.L. Dmitruk, A.V. Goncharenko, and E.F. Venger, Optics of Small Particles and Dispersed Media (Naukova Dumka, Kyiv, 2009).

Downloads

Published

2018-10-11

How to Cite

Uklein, A. V., Multian, V. V., & Gayvoronsky, V. Y. (2018). Linear and Nonlinear Optical Characterizations of TiO2-Based Hybrids at the Self-Action of CW Laser Irradiation and Picosecond Laser Pulses. Ukrainian Journal of Physics, 58(12), 1132. https://doi.org/10.15407/ujpe58.12.1132

Issue

Section

Optics, lasers, and quantum electronics

Most read articles by the same author(s)