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Showing 1 to 17 of 17 for “"NLO properties"”.
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Molecular Engineering of Dipolar and Octupolar Non-Linear Optical Materials for Next-Generation Telecommunications
… the field of organic non-linear optical (NLO) materials, octupolar molecules have the potential to produce far greater NLO effects; moreover, they have the capacity to produce 3-D sensitive NLO phenomena. This PhD explores new classes of dipolar organic and octupolar organometallic …
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Triphenylmethylium-Based Multitopic Two-Photon Absorbers: Synthesis and Characterization
… anticipated to possess strong nonlinear optical (NLO) properties which could be of interest in many fields. These characteristics, and more precisely their two-photon absorption (TPA) properties, make them attractive for the design of high technology materials (microfabrication, imaging, optical …
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Triphenylmethylium-Based Multitopic Two-Photon Absorbers: Synthesis and Characterization
… anticipated to possess strong nonlinear optical (NLO) properties which could be of interest in many fields. These characteristics, and more precisely their two-photon absorption (TPA) properties, make them attractive for the design of high technology materials (microfabrication, imaging, optical …
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NEW ORGANOMETALLIC COMPLEXES WITH PHOTOLUMINESCENT AND NON LINEAR OPTICAL PROPERTIES
Owing to their remarkable luminescent properties, organometallic complexes of transition-metals have recently received considerable attention as phosphorescent emitters for Organic Light Emitting Diodes (OLEDs). In particular, various platinum(II) complexes with a cyclometallated …
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Organic Self-Assembled Films for Nonlinear Optics: Film Structure, Composition and Kinetics of Film Formation
… exhibiting second-order non-linear optical (NLO) properties are a key to the development of advanced electro-optic (EO) modulators used in fiber-optic communications system. This work addresses the fabrication and characterization of organic materials with NLO properties using a self-assembly …
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Ruthenium alkynyl-terminated ladder-type oligo(p-phenylene)s
… Materials which possess nonlinear optical (NLO) properties are of technological importance in areas that utilize optical devices, with potential applications such as microfabrication, bioimaging, photodynamic therapy, and frequency up-conversion lasing. In the first part of my PhD work, …
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Ruthenium alkynyl-terminated ladder-type oligo(p-phenylene)s
… Materials which possess nonlinear optical (NLO) properties are of technological importance in areas that utilize optical devices, with potential applications such as microfabrication, bioimaging, photodynamic therapy, and frequency up-conversion lasing. In the first part of my PhD work, …
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SYNTHESIS AND CHARACTERIZATION OF NEW ORGANIC MOLECULES AND INORGANIC-ORGANIC HYBRID MATERIALS WITH INTERESTING LINEAR AND SECOND ORDER NON LINEAR OPTICAL PROPERTIES
… this field, materials with non linear optical (NLO) properties seem to be extremely appealing in fact NLO effects allow the manipulation of laser light beams, extending the frequency range provided by normal laser sources into the ultraviolet and infrared regions, and may thus form the basis of …
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Synthesis towards Polyhedral and Rigid Organic Non-Linear Optic Materials
… second harmonic generation nonlinear optical (NLO) properties. Previous computational research has shown that both polyhedral carborane compounds and sterically constrained hydrindacene show great potential as NLO compounds. Their calculated values exceed those of compounds currently in use. …
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ADVANCED MATERIALS: PREPARATION, STUDY AND OPTIMIZATION OF THIN FILM FOR OPTO-ELECTRONIC DEVICE
… with interesting emissive and second order NLO properties. In particular pyrene based chromophores are investigated in chapter 4, while chapter 5 deals with the synthesis of organic-inorganic perylene-POSS hybrids with enhanced emissive properties.
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Enhancing the Third-Order Nonlinear Optical Properties of Porphyrins and Molecular Wires
The third-order nonlinear optical (NLO) properties of indium tin oxide (ITO) thin films, Fe3+, Mn3+, Co2+ 5,10,15,20-tetrakis-4hydroxytetraphenyl)porphyrin (TPP) films, and a series of ethynyl-linked azobenzene oligomers were investigated using degenerate four wave mixing (DFWM) with 100 fs laser …
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Bismuth-, Tin-, and Lead-Containing Metal-Organic Materials: Synthesis, Structure, Photoluminescence, Second Harmonic Generation, and Ferroelectric Properties
… periodicities that can exhibit a variety of properties resulting from the presence of the metal moieties and/or ligand connectors in the structure. To date, MOMs with a range of functional attributes have been prepared, including record-breaking porosity, catalytic properties, molecular …
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Optically active photoresponsive multifunctional polymeric materials
… allows the polymers to display both the properties typical of dissymmetric systems (optical activity, exciton splitting of dichroic absorptions), as well as the features typical of photochromic materials (photorefractivity, photoresponsiveness, NLO properties). The first part of this …
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Organic Self-Assembled Layer-by-Layer Thin Films for Second-Order Nonlinear Optics
… films with second order nonlinear optical (NLO) properties. These materials are key to the development of electro-optic modulators used in fiber optic communication systems. Performance benefits and lower manufacturing costs are driving the development of organic NLO materials as …
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Nonlinear Optically Active Ionically Self-Assembled Monolayer Thin Films of Organic Polymers Intercalated with an Inorganic Hectorite, Laponite RD
… containing a polycation, a nonlinear optically (NLO) active chromophore, and a synthetic hectorite that self-assemble into the noncentrosymmetric structure required for second order nonlinear optical responses. UV/Vis spectroscopy and ellipsometry were used as probes to monitor film growth for …
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Ein- und mehrkernige Rhodium- und Iridiumkomplexe mit konjugierten organischen Ketten als Brückenliganden
… sollte im Hinblick auf ihre Anwendungen als NLO-Materialien der Einfluss von Ligandsubstitution systematisch untersucht werden. In diesem Zusammenhang wurde eine Untersuchung mit Hilfe von IR- und RAMAN-Spektroskopie sowie quantenchemische Berechnungen des trans-Einflusses der Halogenliganden …
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Quantum Chemical Studies for the Engineering of Metal Organic Materials
… to have high porosity, catalytic, and optical properties. Here we study the gas adsorption, color change, and non-linear optical properties of MOMs. These properties can be predicted using theoretical methods, and the results may provide experimentalists with guidance for rational design and …