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Etude et diagnostic des propriétés optiques non linéaires de composés organiques et organométalliques hautement conjugués en vue d'application dans des dispositifs optoélectroniques

Abstract : Organic and organometallic compounds represent an important potential in many fields such as optics, optoelectronics, photonics and optical data storage. In this work, we have studied the nonlinear optical properties of two types of compounds; organic molecules based on BODIPY and organometallic complexes based on ruthenium (II) and iron (II). For this, the experimental techniques used were based on SHG, THG and onZ-scan techniques. For this study, we used a pulsed picosecond laser delivering two wavelengths: 1064 nm and 532 nm. 1064 nm for SHG and THG techniques and 532 nm for Z-scantechnique were used, respectively. The results obtained are interesting and original and show that the nonlinear optical response of organic molecules based on BODIPY depends in particular on the number of electron donor groups. The same behavior has been observed in the case of organometallic complexes based on ruthenium (II) and iron (II), highlighting the modulation of the nonlinear optical response as a function of the nature of the transition metal used (Ru ( II) or Fe (II)) and the nature of the ancillary ligands around the organometallic moiety (Ru (II)).
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Said Taboukhat. Etude et diagnostic des propriétés optiques non linéaires de composés organiques et organométalliques hautement conjugués en vue d'application dans des dispositifs optoélectroniques. Physique mathématique [math-ph]. Université d'Angers; Université Hassan II (Casablanca, Maroc), 2018. Français. ⟨NNT : 2018ANGE0007⟩. ⟨tel-02067765⟩

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