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Tesi sul tema "Organoruthenium compounds Optical properties"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 31 gennaio 2023

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1

Humphrey, Mark Graeme. "Aspects of organometallic chemistry, particularly metal alkynyl and cluster chemistry." Title page, contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09SD/09sdh9267.pdf.

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Includes bibliographical references. Details research carried out into the nonlinear optical properties of metal alkynyls, chiefly organoruthenium complexes, showing that these complexes can be designed to have very large NLO coefficients. Also demonstrates the utility of spectroscopic, electrochemical and copmutational aids as predictive tools for NLO materials. Also examines cluster synthesis, reactivity and physical properties using ruthenium clusters and hard-donor ligands, affording a series of cluster complrxes that provide structural models for industrially-important hydrotreating inter

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2

Lawrence, Heather Bunting Elizabeth. "Organometallic compounds with non-linear optical properties." Thesis, University of Oxford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.276835.

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3

de, Almeida Katia Júlia. "Optical and Magnetic Properties of Copper(II) Compounds." Doctoral thesis, KTH, Teoretisk kemi, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4743.

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This thesis encloses quantum chemical calculations and applications of a response function formalism recently implemented within the framework of density functional theory. The optical and magnetic properties of copper(II) molecular systems are the main goal of this work. In this work, the visible and near-infrared electronic transitions, which have shown a key role in studies on electronic structure and structure-function relationships of copper compounds, were investigated in order to explore the correlation of the positions and intensities of these transitions with the geometrical structure

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4

de, Almeida Katia Júlia. "Optical and magnetic properties of copper(II) compounds /." Stockholm : Department of Theoretical Chemistry, School of Biotechnology, Royal Institute of Technology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4743.

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5

Rachford, Aaron A. "Designing and investigating molecular bistability in ruthenium dimethylsulfoxide complexes /." View abstract, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3286186.

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6

Hissink, Catharina Everdina. "Silicon-Bridged donor-acceptor compounds: synthesis and nonlinear optical properties." [S.l. : [Groningen] : s.n.] ; [University Library Groningen] [Host], 1996. http://irs.ub.rug.nl/ppn/148933343.

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7

Wijngaard, Jan Hendrik. "Magnetic and magneto-optical properties of some transition metal compounds." [S.l. : [Groningen : s.n.] ; University Library Groningen] [Host], 1990. http://irs.ub.rug.nl/ppn/297971859.

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8

Gunes, Mustafa. "Optical and electronic properties of nitrogen containing III-V compounds." Thesis, University of Essex, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.528840.

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The main aim of this project is to carry out a critical and in depth study of electrical, optical and magneto transport properties of nitrogen containing III-V compounds such as bulk InN, In-rich Inl-xGaxK, GaN/lnN/Ga)J and n- and p- modulation doped Galni'1As QWs. Various experimental results presented and discussed provide fundamental important physical and electronic understanding which does not exist in the current literature such as a Superconductivity Phase transition in Mg-doped and unintentionally doped InN and also magnetotransport properties of modulation doped dilute nitrides. The p

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9

Tong, Ka Lap. "Electrical and optical properties of triphenylamine-based compounds and devices." HKBU Institutional Repository, 2006. http://repository.hkbu.edu.hk/etd_ra/718.

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10

Exley, James Richard. "Electrical and optical properties of novel phthalocyanine compounds for sensor devices." Thesis, Sheffield Hallam University, 1995. http://shura.shu.ac.uk/7110/.

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UV/visible spectrophotometry measurements, together with measurement of the temperature dependence of ac parameters G (conductance), C (capacitance) and tan (dielectric loss) for 20Hz<f<1MHz, and dc conduction, for 77K<T<300K, are performed for a number of vacuum-sublimed phthalocyanine compounds. Steady state electrical measurements and optical absorption experiments were performed on samples of sublimed heavy fraction rare-earth element, fluorochromium and lutetium bisphthalocyanine films. From the Arrhenius plot of ln(T) (where (T) is the conductivity at temperature T) it is found that two

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11

Zhu, Bairen, and 朱柏仁. "Optical study on two dimensional transition metal dichalcogenides." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/208045.

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Atomically thin group-VI transition metal dichalcogenides (TMDC) has been emerging as a family of intrinsic 2-dimensional (2D) crystals with a sizeable bandgap in the visible and near infrared range, satisfying numerous requirements for ultimate electronics and optoelectronics. This intrinsic 2D crystal also provides a perfect platform for physics study in 2D semiconductors. The characteristic inversion symmetry breaking presented in monolayer TMDCs leads to non-zero but contrasting Berry curvatures and orbital magnetic moments at K/K’ valleys located at the corners of the first Brillouin zone

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12

俞佩賢 and Pui-yin Yu. "Metal alkylidyne complexes as building blocks for molecular materials." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1998. http://hub.hku.hk/bib/B31238002.

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13

Sereika, Raimundas. "Investigation of Electronic Structure, Optical and Dynamical Properties of AVBVICVII type Compounds." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2012~D_20130114_082030-02721.

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In the dissertation AVBVICVII type compounds are analyzed theoretically and experimentally. Theoretical studies were carried out using Density Functional Theory (DFT), along with the Full Potential Linearized Augmented Plane Wave (FP-LAPW) method and the Generalized Gradient Approximation (GGA). For calculations Wien2k and PHONON comp. packages were used. Experimental studies were performed using spectroscopic ellipsometry method and measuring permittivity (electrical capacitance) as a function of temperature. The study discusses AVBVICVII type compounds’ inter-atomic chemical bonding, the ele

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14

Olchowka, Jacob. "Structural versus optical properties in selected Bismuth based oxo-salts and compounds." Thesis, Lille 1, 2015. http://www.theses.fr/2015LIL10088/document.

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Le développement de nouveaux matériaux luminescent pour les LEDs du futur, qui ont pour objectifs de préserver l’environnement et de réduire les dépenses énergétiques, est un thème de recherche d’actualité et un défi extrêmement intéressant pour de nombreux chercheurs. Actuellement, la plupart des LEDs commerciales sont des matériaux dopés aux lanthanides. Cependant, la situation économique et politique actuel est telle que pour l’approvisionnement en lanthanides, les pays européens sont dépendant des pays asiatiques qui ont le monopole sur la production et l’exportation des ceux-ci. Dans ce c

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15

Malicki, Michal. "Electronic and optical properties of hybrid gold - organic dye systems." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31742.

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Thesis (Ph.D)--Chemistry and Biochemistry, Georgia Institute of Technology, 2010.<br>Committee Chair: Marder, Seth; Committee Co-Chair: Perry, Joseph; Committee Member: Dickson, Robert; Committee Member: El-Sayed, Mostafa; Committee Member: Riedo, Elisa. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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16

Golea, Mostefa. "AB(2)C(4) semiconducting compounds crystal growth, intrinsic defects and optical properties." Thesis, University of Ottawa (Canada), 1988. http://hdl.handle.net/10393/5374.

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17

Yang, Lin. "Interaction of molecules and helical nanoparticles characterized by electronic circular dichroism." HKBU Institutional Repository, 2018. https://repository.hkbu.edu.hk/etd_oa/523.

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It is of fundamental significance to differentiate an enantiomer from its mirror image (i.e., enantiodifferentiation), through monitoring optical activity (OA) of enantiomers that is typically characterized by electronic circular dichroism (ECD or CD) in the UV-visible region. However, sub-wavelength molecular dimensions substantially prevent enantiomers from effectively perceiving the different circular polarization states, leading to low enantiomeric OA and weak enantiodifferentiation. Some approaches have been developed to amplify the enantiomeric OA; alternatively, on the basis of the emer

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18

Stuppi, Mary Margaret Maliniak 1965. "Synthesis, growth and optical characterization of doped lanthanum magnesium aluminate." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277099.

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Solid-state lasers are of great interest and importance in infrared sensing and imaging devices as well as in other applications. The objective of this research was to study the synthesis, crystal growth, and optical characterization of a material recently discovered for its potentially useful optical properties: lanthanum magnesium aluminate (LMA). In these experiments, samples of LMA were grown by the vertical gradient freeze (VGF) technique. This technique has most recently been used to grow high quality titanium doped sapphire crystals mainly due to the inherent stability of this system in

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19

Henwood, Adam Francis. "Tuning the physical and optoelectronic properties of phosphorescent iridium(III) complexes : applications to organic semiconductor devices." Thesis, University of St Andrews, 2017. http://hdl.handle.net/10023/12976.

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This thesis explores the design, synthesis and characterisation of iridium(III) complexes for optoelectronic applications; in particular, cationic [Ir(CˆN)₂(NˆN)]⁺-type emitters (where CˆN is an anionic bidentate cyclometalating ligand such as 2-phenylpyridinato, ppy, and NˆN is a neutral bidentate ligand such as 2,2'-bipyridine, bpy) for use in light-emitting electrochemical cells (LEECs). Design strategies aim to achieve high photoluminescence quantum yields (Φ[sub](PL)) for these complexes. Chapter 1 provides an overview of the fundamental photophysics of luminescent transition metal comple

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20

Bair, Joseph Spencer. "Synthesis and optical properties of four oligothiophene-ruthenium complexes and synthesis of a bidentate ligand for C-F bond activation /." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1636.pdf.

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21

Sullivan, Philip A. "Theory guided design and molecular engineering of organic materials for enhanced second-order nonlinear optical properties /." Thesis, Connect to this title online; UW restricted, 2006. http://hdl.handle.net/1773/11569.

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22

Vaughan, Thomas Alexander. "Magneto-optics of InAs/GaSb heterostructures." Thesis, University of Oxford, 1995. http://ora.ox.ac.uk/objects/uuid:52b3d4c8-04f2-4ee8-b5a5-382934807722.

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The optical properties of InAs/GaSb heterostructures under applied magnetic fields are studied in experimental and theoretical detail. The InAs/GaSb system is a type-II "crossed-gap" system, where the valence band edge of GaSb lies higher in energy than the conduction band edge of InAs. This leads to a region of energy above the InAs conduction band where conduction and hole states mix. Thin-layer superlattices remain semiconducting due to confinement effects, but thick-layer superlattices experience charge transfer which leads to intrinsic carrier densities approaching 10<sup>12</sup> cm<sup>

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23

Rush, Georgina E. "Preparation and characterization of novel inorganic optical materials." Thesis, University of Kent, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365214.

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24

Wang, Rongxin. "Preparation and post-annealing effects on the optical properties of indium tin oxide thin films." Click to view the E-thesis via HKUTO, 2005. http://sunzi.lib.hku.hk/hkuto/record/B31546171.

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25

Hierlinger, Claus. "Synthesis, characterisation and optoelectronic properties of phosphorescent iridium complexes : from five to six-membered ring chelates." Thesis, University of St Andrews, 2018. http://hdl.handle.net/10023/16126.

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Here, the design, synthesis and characterisation and the optoelectronic properties of Ir(III) complexes for application in nonlinear optical and electroluminescent devices are described. The type of complexes varies from those of the form [Ir(C^N)2(N^N)]+ with conjugated and nonconjugated ligands (where C^N = cyclometalating ligand and N^N = neutral ligand) to those of the form [Ir(C^N^C)(N^N)Cl] (where C^N^C = tridentate tripod ligand). Chapter 1 gives an introduction into photophysics occurring in transition metal complexes and possible applications in visual displays. The background of nonl

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26

Rabia, Kaneez [Verfasser], and Christine A. [Akademischer Betreuer] Kuntscher. "Structural and optical properties of transition-metal compounds under pressure / Kaneez Rabia. Betreuer: Christine A. Kuntscher." Augsburg : Universität Augsburg, 2013. http://d-nb.info/1077701799/34.

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27

Berdibek, Shapagat. "Measurement of optical properties of molten salts and metallic compounds for advanced solar and nuclear systems." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/106769.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Nuclear Science and Engineering, 2015.<br>"June 2015." Cataloged from PDF version of thesis.<br>Includes bibliographical references (page 29).<br>Renewable energies can reduce the dependence on fossil fuels. Solar thermal systems designed to use molten salts to directly absorb the solar heat are promising due to (1) potentially higher efficiency in capture of sunlight and (2) use of the salt to simultaneously capture sunlight and store heat in the salt. The optical properties of the molten salts are crucial for the design of su

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28

Chung, In. "Exploratory synthesis in molten salts characterization, nonlinear optical and phase-change properties of new chalcophosphate compounds /." Diss., Connect to online resource - MSU authorized users, 2008.

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29

Wang, Rongxin, and 王榮新. "Preparation and post-annealing effects on the optical properties of indium tin oxide thin films." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2005. http://hub.hku.hk/bib/B31546171.

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30

UÌˆnal, Bayram. "Optical, electrical and structural properties of nanostructured silicon and silicon-germanium alloys." Thesis, De Montfort University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391480.

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31

Shah, Syed Hassan. "Study of nonlinear optical properties of indium arsenide/gallium arsenide and indium gallium arsenide/gallium arsenide self-assembled quantum dots." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 97 p, 2008. http://proquest.umi.com/pqdweb?did=1460350251&sid=5&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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32

郭子中 and Chi-chung Kwok. "Functional light-emitting materials of platinum, zinc and boron for organic optoelectronic devices." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2005. http://hub.hku.hk/bib/B34617693.

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33

Schucan, Gian-Mattia. "Generation of squeezed light in semiconductors." Thesis, University of Oxford, 1999. http://ora.ox.ac.uk/objects/uuid:417b1d31-8d25-42db-b707-32bd460b4183.

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We present experimental studies based on all three methods by which the generation of squeezed light in semiconductors has thus far been demonstrated experimentally: Fourwave mixing, multi-photon absorption and direct generation at the source. Four-wave mixing was used to generate femtosecond-pulsed quadrature squeezed light by cross-phase modulation in single-crystal hexagonal CdSe at wavelengths between 1.42 and 1.55 μm. We measured 0.4 dB squeezing (1.1 dB is inferred at the crystal) using 100 fs pulses. The wavelength and the intensity dependence, as well as variations in the local oscilla

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34

Chen, Xuejun Luna. "Crystallographic, magnetic and optical properties of I2. Mn.IV.VI4. compounds with I = Cu, log., IV-Si, GE, Sn and VI =S, Se, Te." Thesis, University of Ottawa (Canada), 1993. http://hdl.handle.net/10393/6626.

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A systematic study was performed on the structural, magnetic and optical properties of polycrystalline I$\sb2$.Mn.IV.VI$\sb4$ compounds with I = Ag or Cu, IV = Si, Ge, Sn, VI = S, Se and Te. In X-ray diffractometry, three different crystal structures were observed, two corresponding to the tetragonal stannite and orthorhombic wurtz-stannite structures reported previously, and thirdly a cubic rock salt-like structure. Magnetic susceptibility ($\chi$) measurements showed that most of the selenide phases were ferrimagnetic. Optical absorption measurements were made to determine values of optical

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35

MALAVAZI, JEFFERSON. "Caracterização microestrutural dos compostos intermetálicos e seu efeito no comportamento mecânico nas ligas de Al-9%Si com adições de Fe e Mn." reponame:Repositório Institucional do IPEN, 2013. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10554.

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Made available in DSpace on 2014-10-09T12:41:52Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:08:05Z (GMT). No. of bitstreams: 0<br>Dissertação (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP

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36

TOFFOLI, DANIEL J. "Caracterizacao espectroscopica de complexos hipocrelina B: lantanideos para uso em terapia fotodinamica." reponame:Repositório Institucional do IPEN, 2008. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9374.

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Made available in DSpace on 2014-10-09T12:26:20Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:04:18Z (GMT). No. of bitstreams: 0<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP

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37

Grelaud, Guillaume. "New electrochromic organometallic materials for light modulation." Phd thesis, Rennes 1, 2012. http://www.theses.fr/2012REN1S120.

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Au cours de cette thèse, de nouveaux complexes alcynyles du fer et du ruthénium ont été synthétisés et caractérisés. Ces composés ont été élaborés pour permettre l'électro-commutation de leurs propriétés en optique non linéaire (ONL) entre plusieurs états redox. Dans un premier temps, des unités hétéro-bimétalliques ferrocène-ruthénium ont été étudiées. Il a pu être démontré que ces unités, qui sont des complexes à valence mixte de classe II dans leur état mono-cationique, possèdent les propriétés électrochromiques requises pour leur incorporation dans des assemblages conjugués plus étendus et

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38

Ibrahim, Noor Baa'yah. "Properties of yttrium iron garnet thin films grown by pulsed laser ablation deposition." Thesis, University of Warwick, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343112.

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Levell, Jack William. "Material and device design for organic optoelectronics." Thesis, University of St Andrews, 2011. http://hdl.handle.net/10023/2066.

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This thesis describes investigations into the photophysical properties of luminescent materials and their application in optoelectronic devices such as light emitting diodes and photodetectors. The materials used were all solution processable because of the interest in low cost processing of organics. I have investigated the photophysics of 1,4,5,8,9,12-hexamethyltriphenylene, a triphenylene derivative which has its luminescence enhanced by the addition of methyl groups. These groups change the planar shape of the triphenylene molecule into a twisted one, changing the symmetry of the molecule

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40

Colakoglu, Tahir. "The Effects Of Post-annealing Process On The Physical Properties Of Silver-indium-selenium Ternary Semiconductor Thin Films Deposited By Electron Beam Technique." Phd thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/2/12610974/index.pdf.

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Ternary chalcopyrite compounds are the semiconductors with suitable properties to be used as absorber materials in thin film solar cells. AgInSe2 is a promising candidate with its several advantages over the widely used CuInSe2. The purpose of this study was to optimize the physical properties of the Ag-In-Se (AIS) thin films that were deposited by e-beam evaporation of Ag3In5Se9 single crystal powder for solar cell applications by means of post-annealing process under nitrogen atmosphere. The as-grown AIS thin films were annealed at 200, 300 and 400oC and their structural, optical, electrical

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41

Baldo, Hurtado Bianca. "Compuestos metal-orgánicos con propiedades multifuncionales." Thesis, Rennes 1, 2018. http://www.theses.fr/2018REN1S012/document.

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Le fait qu'un composé métal-organique contienne à la fois une partie organique et une partie inorganique, rend ces systèmes hautement modulables, de la dimensionnalité de leur structure aux propriétés obtenues. Ainsi, la chimie de coordination a été axée sur la synthèse de nouveaux matériaux à base de cations 3d et 4f, liés par des ligands organiques avec des groupes fonctionnels de nature chimique différente, ce qui permet de trouver à ces matériaux intéressants des propriétés telles que la luminescence, l'optique non linéaire et le magnétisme. En outre, la synthèse de composés métal-organiqu

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42

BERECZKI, ALLAN. "Desenvolvimento de um laser DPSSL polarizado com mais de 100 W de potência e parâmetro de qualidade próximo de um." reponame:Repositório Institucional do IPEN, 2016. http://repositorio.ipen.br:8080/xmlui/handle/123456789/26822.

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Submitted by Claudinei Pracidelli (cpracide@ipen.br) on 2016-11-11T16:24:00Z No. of bitstreams: 0<br>Made available in DSpace on 2016-11-11T16:24:00Z (GMT). No. of bitstreams: 0<br>A operação dinamicamente estável com zonas conjuntas foi obtida para um ressonador laser contendo dois bastões de Nd:YAG com módulos laser comerciais. O ressonador não polarizado gerou 115 W de potência no modo transversal fundamental TEM00. Quando polarizado por lâmina de Brewster atingiu 100,5W de potência de saída com 91% de polarização. Quando o ressonador foi polarizado com um polarizador de filme fino, obteve-

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43

Hartridge, Adrian. "Lanthanide doped ceria thin films as possible counter electrode materials in electrochromic devices." Thesis, University of Warwick, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367148.

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44

Silva, Francisco Nascimento. "Estudo das propriedades óptico-eletrônicas de compósitos de PVK com composto de coordenação de lantânio (III)." Universidade Federal de Mato Grosso, 2015. http://ri.ufmt.br/handle/1/704.

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Submitted by Simone Souza (simonecgsouza@hotmail.com) on 2018-04-23T13:34:43Z No. of bitstreams: 1 DISS_2015_ Francisco Nascimento Silva.pdf: 1996438 bytes, checksum: 4596ba861613a14069c8d5f5297e14a9 (MD5)<br>Approved for entry into archive by Jordan (jordanbiblio@gmail.com) on 2018-05-14T17:05:10Z (GMT) No. of bitstreams: 1 DISS_2015_ Francisco Nascimento Silva.pdf: 1996438 bytes, checksum: 4596ba861613a14069c8d5f5297e14a9 (MD5)<br>Made available in DSpace on 2018-05-14T17:05:11Z (GMT). No. of bitstreams: 1 DISS_2015_ Francisco Nascimento Silva.pdf: 1996438 bytes, checksum: 4596ba861613a

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Pochekailov, Sergii. "Elektrické, optické a senzorové vlastnosti organických polovodičů." Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2009. http://www.nusl.cz/ntk/nusl-233292.

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There is big interest in cheap, sensitive and selective gas sensors. In this work, substituted soluble phthalocyanines are proposed as a sensing materials for several gases. Optical, electrical and gas sensing properties of several phthalocyanines were studied and the mechanisms of their interaction with several analyte gases are described. It was found, that sulfo-substituted Pcs has good sensitivity to humidity. Sulfonamide-substituted phthalocyanines are promising for nitrogen dioxide and volatile organic compounds detection. tert-Butyl-substituted phthalocyanines are sensitive to NO2 under

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46

Doclot, Olivier. "Etude des propriétés optiques non linéaires de troisième ordre de la molécule et du cristal de 4-(N,N diéthylamino)-b-nitrostyrène par Z scan et ellipsométrie." Grenoble 1, 1996. http://www.theses.fr/1996GRE10230.

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Dans cette these, nous avons etudie les proprietes optiques non lineaires de troisieme ordre de la molecule et du cristal de 4-(n,n diethylamino)-nitrostyrene (deanst). Nous avons fait des mesures d'absorption a deux photons de la molecule de deanst en solution par ellipsometrie kerr. Nous avons modelise le spectre non lineaire ainsi obtenu a partir du spectre d'absorption lineaire et d'un unique parametre: la variation de moment dipolaire entre les etats s#0 et s#1. Nous avons monte un banc z scan qui permet la mesure de l'indice de refraction dependant de l'intensite et de l'absorption non l

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47

HAMID-SAMIMI, MOHAMMAD-HASSAN. "Etude et caracterisation des defauts microscopiques du tellure de cadmium." Strasbourg 1, 1989. http://www.theses.fr/1989STR13009.

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Les niveaux des defauts dans la bande interdite du semiconducteur sont etudies ainsi que les phenomenes de transport et les proprietes optiques. On note des effets remarquables de passivation et de modification des defauts par hydrogenation

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48

Souriau, Jean-Charles. "Recherche d'un matériau laser monocristallin susceptible de présenter une émission stimulée vers 1550 ou 2000 nm à température ambiante." Grenoble 1, 1993. http://www.theses.fr/1993GRE10198.

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Les applications des lasers susceptibles d'emettre a temperature ambiante dans la zone de securite oculaire autour de 1550 et 2000 nm sont tres nombreuses: telemetrie, altimetrie, anemometrie. . . L'obtention de ces lasers peut etre realisee par le dopage de matrices transparentes par les ions terres rares er#3#+, tm#3#+ et ho#3#+. Ceux-ci presentent respectivement une transition radiative vers 1550, 2000 et 2100 nm. Cependant les interactions entre ces ions conduisent a des mecanismes qui diminuent les rendements laser dans l'infrarouge. L'objet de cette these est de decouvrir de nouvelles ma

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49

Nouvelot, Luc. "Evaluation et réalisation de miroirs diélectriques à profil d'indice continu et périodique (filtres rugates)." Grenoble 1, 1993. http://www.theses.fr/1993GRE10069.

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Differentes methodes de calcul des proprietes optiques des couches minces optiques a profil d'indice continu sont presentees. Dans le cas des filtres rugates, l'utilisation de methodes analytiques a notamment permis un calcul des enveloppes des spectres ainsi que l'optimisation du profil d'indice. Un nouveau systeme de coevaporation sous vide a ete developpe pour realiser des filtres a profil d'indice continu. Des couches minces homogenes de zns, znse, mgf#2, ainsi que de zns-mgf#2 et de znfe-mgf#2 de differentes compositions ont ete realisees. Il apparait que le zns presente un probleme de co

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50

SENCE, MARTINE. "Etude des proprietes optiques du seleniure de cadmium sous hautes intensites d'excitation lumineuse." Université Louis Pasteur (Strasbourg) (1971-2008), 1989. http://www.theses.fr/1989STR13021.

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Etude des caracteristiques du plasma electron-trou. Interpretation des courbes de gain optique obtenues par deux modeles theoriques. Etude des proprietes des biexcitons par melange degenere a quatre ondes et determination de leur energie de liaison (2 mev)

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