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Nanomaterials 2019, 9(2), 254;

Selected Organometallic Compounds for Third Order Nonlinear Optical Application

Faculty of Chemistry, Department of Engineering and Advanced Materials Modelling, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-320 Wroclaw, Poland
Laboratoire MOLTECH-Anjou, Université d’Angers, CNRS UMR 6200, 2 Boulevard Lavoisier, 49045 Angers, France
Laboratory of Physics of Condensed Matter (LPMC), Faculty of Science, Chouaib Doukkali University, El Jadida 24000, Morocco
Department of Automation and Measurement Systems, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, Grudziadzka 5, 87-100 Torun, Poland
Institute of Physics, Faculty of Mathematics and Natural Sciences, J. Dlugosz University of Czestochowa, Al. Armii Krajowej 13/15, 42-200 Czestochowa, Poland
Authors to whom correspondence should be addressed.
Received: 14 December 2018 / Revised: 7 February 2019 / Accepted: 8 February 2019 / Published: 13 February 2019
(This article belongs to the Special Issue Non-Linear Optical Effects in Nanomaterials)
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In this paper, we present the third harmonic generation response of Znq2 (Bis-(8-hydroxyquinolinato)zinc), Cuq2 (8-Hydroxyquinoline copper(II)), and Alq3 (Tris-(8-hydroxyquinoline)aluminum) organometallic compounds. An experiment was conducted for s and p polarizations of incident beam, using the Maker fringes technique. The third order nonlinear susceptibility χ(3) was estimated using the Kubodera and Kobayashi comparative model, on the grounds that presented compounds exhibit high linear absorption of the generated third harmonic wavelength (355 nm). These complexes were deposited as thin films using the physical vapor deposition (PVD) method. Investigated complexes vary in terms of the coordination center and number of quinoline ligands, which visibly influence their nonlinear response. The global hybrid B3LYP functional with the basis set 6-31G(d) was used in computing the linear and non-linear optical properties. The computed γtot value (8765.36 × 10−36 esu for Cuq2) is superior to that of methylene blue (γ = 32.00 × 10−36 esu). The calculated theoretical values were found to be in good agreement with the experimental results. View Full-Text
Keywords: organometallic compounds; nonlinear optic (NLO); physical vapor deposition (PVD); third harmonic generation (THG); coordination complexes; DFT/B3LYP/6-31G(d) calculations organometallic compounds; nonlinear optic (NLO); physical vapor deposition (PVD); third harmonic generation (THG); coordination complexes; DFT/B3LYP/6-31G(d) calculations

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Popczyk, A.; Aamoum, A.; Migalska-Zalas, A.; Płóciennik, P.; Zawadzka, A.; Mysliwiec, J.; Sahraoui, B. Selected Organometallic Compounds for Third Order Nonlinear Optical Application. Nanomaterials 2019, 9, 254.

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