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Tesis sobre el tema "Electron donor-acceptor complexes"

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Publicado: 4 de junio de 2021

Última modificación: 25 de julio de 2025

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1

Cubberley, Mark Stull. "Investigation of solvent effects in aromatic electron donor-acceptor interactions /." Digital version accessible at:, 2000. http://wwwlib.umi.com/cr/utexas/main.

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2

LEE, CHERYLYN. "PHOTO-INDUCED RADICAL COPOLYMERIZATIONS OF ELECTRON-RICH OLEFINS WITH ELECTRON-POOR OLEFINS." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184135.

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This study is a systematic investigation of the parameters and conditions necessary for photo-induced radical copolymerizations of donor olefins with acceptor olefins in the absence of an initiator. Very few cases have been previously reported and no mechanistic details of the initiation have been proposed in the literature. Our results show that the photoinitiation depends on the relative donor and acceptor strengths of the monomers, as well as the solvent. The highest occupied molecular orbital (HOMO) of the donor and the lowest unoccupied molecular orbital (LUMO) of the acceptor must be at

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3

Caulfield, Jason M. "Magnetic quantum oscillations in organic metals based on the molecule bis(ethylenedithio)tetrathiafulvalene." Thesis, University of Oxford, 1994. http://ora.ox.ac.uk/objects/uuid:5fbf2599-96d8-4eac-b882-ac74213ac3a5.

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ET charge transfer salts (where ET is <en>bis(ethylenedithio)- tetrathiafulvalene) have relatively simple quasi two-dimensional Fermi surface topologies, making them ideal for the study of the relationship between bandstructure and properties such as superconductivity. Experimental studies of the Fermi surface areas and associated effective masses have been carried out using the Shubnikov-de Haas (SdH) and de Haas-van Alphen (dHvA) effects. By comparing the experimental results to theoretical bandstructure calculations the strength of many body interactions has been estimated. High pressure ma

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4

Xu, Yunhua. "Synthesis and Photoinduced Electron Transfer of Donor-Sensitizer-Acceptor Systems." Doctoral thesis, Stockholm : Department of Organic Chemistry, Stockholm University, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-411.

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5

Holman, K. Travis. "The host-guest chemistry of new members in the cyclotriveratrylene family of cavitands /." free to MU campus, to others for purchase, 1998. http://wwwlib.umi.com/cr/mo/fullcit?p9924887.

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6

Svarovsky, Serge A. "Structure, stability and reactivity of small organic sulfinic and sulfonic acids toxicological implications ; Role of charge transfer complexes in oxidation cleavage of benzpinacols by iron (III) trispenanthroline /." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1231.

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7

Pui, Yung-lin. "Syntheses, luminescence studies and host-guest chemistry of d10 and d6 metal complexes containing diimine and/or chalcogenolate ligand." Click to view the E-thesis via HKUTO, 2000. http://sunzi.lib.hku.hk/hkuto/record/B43894367.

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8

裴雍蓮 and Yung-lin Pui. "Syntheses, luminescence studies and host-guest chemistry of d10 and d6metal complexes containing diimine and/or chalcogenolate ligand." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B43894367.

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9

Furman, Gary S. "The contribution of charge-transfer complexes to the color of kraft lignin." Diss., Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/5644.

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10

Dornan, Thomas Joseph. "Calcium Transport Inhibition, Stimulation, and Light Dependent Modulation of the Skeletal Calcium Release Channel (RyR1) by the Prototropic Forms of Pelargonidin." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1931.

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The principle calcium regulator in the muscle cell is the calcium ion release channel (RyR). Improper calcium homeostasis in the muscle cell is the foundation of many pathological states and has been targeted as a contributing factor to ventricular tachycardia, which is known to precede sudden cardiac arrest. Numerous endogenous and exogenous compounds can affect the way RyR regulates calcium. In this study the anthocyanidin Pelargonidin (Pg), an important natural colorant and dietary antioxidant, is evaluated for its effect on regulating the transport of calcium through the RyR1 of skeletal m

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11

Bhattacharyya, Anjan Kumar. "Intramolecular and intracomplex electron transfer in water soluble redox proteins." Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184339.

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Electron transfer to and between the redox centers of milk xanthine oxidase was investigated by laser flash-photolysis. Evidence is presented for slow equilibration of electrons (k < 38 s⁻¹) between the various redox centers of the enzyme. The enzyme-bound flavin and the heme moieties of the flavoprotein and cytochrome subunits of p-cresol methyl hydroxylase from Pseudomonas putida are both reduced rapidly in a second order manner by 5-dRF generated by the laser flash, followed by slower first order intramolecular electron transfer (k = 220 s⁻¹) from the protein-bound neutral flavin radical to

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12

Farid, Ramy Samir Gray Harry B. Gray Harry B. "Electron transfer in rigid and semi-rigid iridium d [superscript 8]-d [superscript 8] donor-spacer-acceptor complexes /." Diss., Pasadena, Calif. : California Institute of Technology, 1991. http://resolver.caltech.edu/CaltechETD:etd-06212007-154303.

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13

Zilic, Elvis. "Radiation curing and grafting of charge transfer complexes." Thesis, View thesis, 2008. http://handle.uws.edu.au:8081/1959.7/19385.

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Charge transfer (CT) complexes have been used in a number of radiation polymerisation processes including grafting and curing. The complexes studied include donor (D) monomers like vinyl ethers and vinyl acetate (VA) with acceptor (A) monomers such as maleic anhydride (MA). Both UV and EB have been utilised as radiation sources. The complexes are directly grafted to these substrates in the presence of radiation. The complexes yield novel copolymers when radiation cured with concurrent grafting improving the properties of the finished product. The term cure grafting has been proposed for this c

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14

Chan, Yiu Him. "Effect of dopants and gate dielectrics on charge transport and performance of organic thin film transistor." HKBU Institutional Repository, 2012. https://repository.hkbu.edu.hk/etd_ra/1450.

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15

Buker, Nicholas D. "Guanidine donors in nonlinear optical chromophores /." Thesis, Connect to this title online; UW restricted, 2006. http://hdl.handle.net/1773/8669.

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16

Rattananakin, Pornpun. "Ab initio study of the rotation around the carbon-carbon double bond in push-pull systems." Diss., Mississippi State : Mississippi State University, 2006. http://sun.library.msstate.edu/ETD-db/ETD-browse/browse.

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17

Zilic, Elvis. "Radiation curing and grafting of charge transfer complexes." View thesis, 2008. http://handle.uws.edu.au:8081/1959.7/19385.

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Thesis (Ph.D.)--University of Western Sydney, 2008.<br>Thesis submitted to the University of Western Sydney, College of Health and Science, School of Natural Sciences, in fulfilment of the requirements for admission to the Doctor of Philosophy. Includes bibliography.

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18

Khajehpour, Mazdak. "Solvent effects upon the charge-transfer reaction of the ADMA molecule in the excited state /." free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3025621.

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19

Mecker, Christoph J. Chemistry Faculty of Science UNSW. "The synthesis of advanced " special pair " models for the photosynthetic reaction centre." Awarded by:University of New South Wales. School of Chemistry, 2000. http://handle.unsw.edu.au/1959.4/17835.

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Multi-step photoinduced electron transfer takes place over a large distance in the photosynthetic reaction centres (PRCs). Electron donor in this life-spending event is the photo-excited 'special pair', a unit of two electronically coupled porphyrinoid chromophores. Bacteriopheophytin and two quinone molecules function as electron acceptors and contribute to the charge separation with almost unit quantum efficiency. The natural photosynthetic reaction centre is the most sophisticated molecular electronic device to date and interest is high in increasing our understanding of the basic quantum

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20

Kinayyigit, Solen. "Platinum (II) charge transfer chromophores electrochemistry, photophysics, and vapochromic sensing applications /." Bowling Green, Ohio : Bowling Green State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=bgsu1182802954.

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21

Soper, Jake D. "Reactions at nitrogenous ligands on oxidizing group 8 metal centers /." Thesis, Connect to this title online; UW restricted, 2003. http://hdl.handle.net/1773/8589.

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22

Arias, Olivares David. "Relation Among Localization, Delocalization and Physicochemical Properties. From Electron Density Databases to Magnetic Properties Eﬀects of the acceptor unit in dyes with acceptor–bridge–donor architecture on the electron photo-injection mechanism and aggregation in DSSCs The role of Cr, Mo and W in the electronic delocalization and the metal–ring interaction in metallocene complexes". Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS015.

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Tout d'abord, nous évoquerons un aperçu général de l'analyse topologique basée sur la densité d'électronique, le trou d'échange-corrélation et la densité de paires. Une fois la densité électronique rappelée, l'analyse topologique de la densité électronique est expliquée, ainsi que la procédure de calcul des points critiques de la densité électronique, le calcul de la matrice hessienne de la densité électronique et la définition des points critiques à la surface. Tous ces outils topologiques permettent de caractériser la nature des liaisons chimiques parallèlement à l'indice basé sur la délocal

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23

D'Acchioli, Jason S. "On the nature of the electronics structure of metal-metal quadruply bonded complexes." Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1126621699.

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Thesis (Ph. D.)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formatted into pages; contains xii, 286 p.; also includes graphics (some col.). Includes bibliographical references (p. 273-286). Available online via OhioLINK's ETD Center

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24

Rabah, Jad. "Assemblages donneur-accepteur à base de BODIPY-[60]Fullerène pour l’électronique organique : Synthèse, caractérisation, et modification de surface Photoinduced Electron Transfer and Energy Transfer Processes in a Flexible BODIPY‑C60 Dyad Synthesis of a Dual Clickable Fullerene Platform and Construction of a Dissymmetric BODIPY-[60]Fullerene DistyrylBODIPY Triad A fullerene helical peptide: synthesis, characterization and formation of self-assembled monolayers on gold surfaces." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASF036.

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Ce manuscrit de thèse porte sur la synthèse de nouveaux assemblages covalents Donneur(s)-Accepteur(s) [BODIPY(s)-C60(s), BDP-C60] qui pourraient conduire à des applications potentielles en électronique organique et en photo-catalyse. Pour atteindre ces objectifs, nous avons dans un premier temps mis au point une nouvelle stratégie de synthèse permettant la double fonctionnalisation d’un dérivé du C60, par différents BDP(s), via des réactions de chimie clic. Cette nouvelle stratégie a permis la synthèse d’assemblages BPD(s)-C60(s) complexes conduisant à des processus photo-induits multiples lié

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25

Hudson, Joshua M. "Photophysical studies of silver(I), platinum(II), palladium(II), and nickel(II) complexes and their use in electronic devices." Thesis, University of North Texas, 2007. https://digital.library.unt.edu/ark:/67531/metadc5165/.

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This dissertation deals with two major topics that involve spectroscopic studies of (a) divalent group 10 metals and (b) silver(I)-phosphine complexes. The scope of the work involved the delineation of the electronic structure of these complexes in different environments and their use in electronic devices. The first topic is a look at the luminescence of tetrahedral silver(I)-phosphine complexes. Broad unstructured emissions with large Stokes shifts were found for these complexes. Computational analysis of the singlet and triplet state geometries suggests that this emission is due to a Jahn-T

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26

Bachrach, Max. "Electron-Transfer in Covalently Coupled Donor-Acceptor Complexes." Thesis, 1996. https://thesis.library.caltech.edu/14028/2/bachrach-m_1996.pdf.

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<p>A picosecond transient absorption experiment has been constructed and used for the study of intramolecular electron-transfer (ET) in three molecular systems. The first of these is a donor-bridge-acceptor (D(br)A) complex composed of a d⁸-d⁸ iridium core covalently coupled to two pyridinium acceptors with flexible phosphonite spacers. Varying the pyridiniums' substituents allows control of the driving-forces (ΔG°) of the photoinduced ET reactions from the core's singlet and triplet states. The rates of these reactions have been determined from steady-state and time-resolved emission experime

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27

Reczek, Joseph James. "Aromatic electron donor-acceptor interactions in novel supramolecular assemblies." Thesis, 2006. http://hdl.handle.net/2152/2906.

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28

Bradford, Valerie Jean 1980. "Aromatic donor-acceptor interactions : bridging abiotic and peptide folding." Thesis, 2008. http://hdl.handle.net/2152/3842.

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Aromatic donor-acceptor interactions have been utilized by the Iverson group in the development of abiotic molecules, called aedamers, that achieve new folding motifs, intermolecular association in heteroduplexes, and new material properties. These molecules exploit the interaction between the electron-rich 1,5-dialkoxynapthalene (DAN) and electron-deficient 1,4,5,8-naphthalenetetracarboxylic diimide (NDI) units in a face-centered stacking geometry in aqueous solution. This dissertation describes the use of DAN-NDI interactions in the realm of peptides and proteins to expand the scope for appl

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29

Ghosh, Sampa. "Quadratic Optical Nonlinearity And Geometry Of 1:1 Electron Donor Acceptor Complexes In Solution." Thesis, 2008. https://etd.iisc.ac.in/handle/2005/711.

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The knowledge of geometry of molecular complexes formed via molecular association in solution through weak interactions is always important to understand the origin of stability and function of an array of molecules, supramolecular assemblies, and macromolecular networks. Simple 1:1 molecular complexes are very useful in this regard as they provide a model to understand both the nature of these interactions and their structural implications. Several weak noncovalent forces from long range (van der Waal’s, electrostatic, induction, dispersion) to short range (charge transfer) govern the geometr

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30

Ghosh, Sampa. "Quadratic Optical Nonlinearity And Geometry Of 1:1 Electron Donor Acceptor Complexes In Solution." Thesis, 2008. http://hdl.handle.net/2005/711.

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The knowledge of geometry of molecular complexes formed via molecular association in solution through weak interactions is always important to understand the origin of stability and function of an array of molecules, supramolecular assemblies, and macromolecular networks. Simple 1:1 molecular complexes are very useful in this regard as they provide a model to understand both the nature of these interactions and their structural implications. Several weak noncovalent forces from long range (van der Waal’s, electrostatic, induction, dispersion) to short range (charge transfer) govern the geometr

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31

Farid, Ramy Samir. "Electron transfer in rigid and semi-rigid iridium d8-d8 donor-spacer-acceptor complexes." Thesis, 1991. https://thesis.library.caltech.edu/2680/1/Farid_rs_1991.pdf.

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A series of rigid and semi-rigid donor-spacer-acceptor complexes, [Ir(µ-pz*)(CO)(Ph2P-O-C6H4-(CH2)n-py[superscript +]-R)]2(pz* = 3,5-dimethylpyrazolyl; C6H4 = phenylene; py[superscript +] = pyridinium; R = H, 4-tert-butyl, and 4-amide; and n = 0,1,2, and 3, has been synthesized for the purpose of studying photoinduced electron-transfer (ET) reactions. The spacers separating the iridium center (electron donor, Ir2) and pyridinium cation (electron acceptor, py[superscript +]) are based on terminal phosphinite ligands, consisting of a phenylene group and a number of methylene groups ranging from

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32

D'Alessandro, Deanna Michelle. "Stereochemical effects on intervalence charge transfer /." 2005. http://eprints.jcu.edu.au/1289.

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33

CHEN, SHENG-GONG, and 陳勝恭. "Semiempirical method study on two conformational isomers of para-substituted benzene/TCNE electron-donor-acceptor complexes." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/25610710452912666544.

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34

Bheemaraju, Amarnath. "Effect of side chains on organic donor (D) and acceptor (A) complexes and photophysical properties of D-A dyads." 2011. https://scholarworks.umass.edu/dissertations/AAI3482586.

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This dissertation aims to understand the effect of incompatible side chains on the complexes of π-conjugated electron-rich donors and electron-deficient acceptors in solution. The role of incompatible side chains were studied in simple mixtures of organic donor and acceptor molecules that form donor-acceptor complexes. The incompatible branched and linear alkane side chains on the acceptor and donor respectively prevented complex formation between naphthalene diimide acceptor and naphthalene ether donor. However, the incompatible hydrocarbon-fluorocarbon and polar-non polar side chain pairs di

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35

Hung, Chih-Chang, and 洪志昌. "Electron-Transfer Dynamics of Tetracyanoethylene-Methylbenzene Electron Donor-Acceptor Complexes Studied by Ultrafast Time-resolved Optical Kerr Gating Fluorescence Spectroscopy." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/07195938509400445029.

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36

Renison, Carina Alicia. "Substituent effects in triarylphosphines." Thesis, 2012. http://hdl.handle.net/10210/6353.

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M.Sc.<br>The main objective of the work presented in this dissertation was to investigate the application of the phosphorus atom as a probe to evaluate stereo-electronic effects in arylphosphines. Traditionally, electronic effects are described as having inductive or resonance origins. In addition to the aforementioned mechanisms, the possibility of an additional field effect pathway was also investigated. For this purpose, a series of ortho, meta and para mono-substituted triaryl phosphines, i.e. Ph2(C6H4-X), were synthesised using a lithium-halogen exchange pathway. This series included a se

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37

Zilic, Elvis, University of Western Sydney, College of Health and Science, and School of Natural Sciences. "Radiation curing and grafting of charge transfer complexes." 2008. http://handle.uws.edu.au:8081/1959.7/19385.

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Charge transfer (CT) complexes have been used in a number of radiation polymerisation processes including grafting and curing. The complexes studied include donor (D) monomers like vinyl ethers and vinyl acetate (VA) with acceptor (A) monomers such as maleic anhydride (MA). Both UV and EB have been utilised as radiation sources. The complexes are directly grafted to these substrates in the presence of radiation. The complexes yield novel copolymers when radiation cured with concurrent grafting improving the properties of the finished product. The term cure grafting has been proposed for this c

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38

Msane, Gugu. "The synthesis of modified chlorophyll carbon nanotube photoactive dyad systems." Thesis, 2012. http://hdl.handle.net/10210/6361.

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M.Sc.<br>Donor-acceptor (D-A) systems consist of a donor covalently or non-covalently linked to an acceptor. The simplest D–A system consists of a donor linked to an acceptor and is called a dyad system. Photoactive dyad systems are molecular devices designed to perform through the separation of charge separation states and the conversion of solar energy to chemical energy in analogy to photosynthesis.1 These dyad systems consist of a donor which is usually a chromophore and an acceptor. The design of these systems is guided to mimic photo-induced electron transfer (PET) and charge separation

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39

Mecker, Christoph J. "The synthesis of advanced "special pair" models for the photosynthetic reaction centre /." 2000. http://www.library.unsw.edu.au/~thesis/adt-NUN/public/adt-NUN20011128.150754/index.html.

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40

Pandey, Ravindra. "Probing The Equilibrium Geometry Of Weakly Interacting Systems In Solution By Hyper-Rayleigh Scattering." Thesis, 2011. https://etd.iisc.ac.in/handle/2005/2365.

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Under the electric dipole approximation, second harmonic of the incident light is scattered by a collection of randomly oriented molecular dipoles in solution due to instantaneous orientational fluctuation which is directional. If two such dipoles are correlated in space through intermolecular or other interactions, the intensity of the second harmonic scattered light (SHSL) will be related to the extent of such interactions. If two dipoles are arranged in a particular geometry by design, the geometry will determine the intensity of the SHSL. If a molecule has no dipole moment, the intensity o

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41

Pandey, Ravindra. "Probing The Equilibrium Geometry Of Weakly Interacting Systems In Solution By Hyper-Rayleigh Scattering." Thesis, 2011. http://hdl.handle.net/2005/2365.

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Under the electric dipole approximation, second harmonic of the incident light is scattered by a collection of randomly oriented molecular dipoles in solution due to instantaneous orientational fluctuation which is directional. If two such dipoles are correlated in space through intermolecular or other interactions, the intensity of the second harmonic scattered light (SHSL) will be related to the extent of such interactions. If two dipoles are arranged in a particular geometry by design, the geometry will determine the intensity of the SHSL. If a molecule has no dipole moment, the intensity o

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42

HSING-FANG, CHIANG, and 江幸芳. "(a)Synthesis, Characterization, Structure and Studies of metal complexes with short Fluoro-ponytailed Bipyridine Ligands Possessing Halogen (Halogen Bonding) (b)Studies of The Non-Covalent Bonds of Flourous Compounds as Electron Acceptor or Donor." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/qsxrh7.

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碩士<br>國立臺北科技大學<br>有機高分子研究所<br>105<br>(a) Our Lab has been started to synthesize polyfluorinated compounds and promoted their recognition considerably. On continuation of our prior studies, I synthesized Bipyridine ligands having terminal Halogen and its palladium / platinum metal complexes in the research to study their structural properties. The reaction of bipyridine ligands with Palladium and Platinum Metals to generate their corresponding Metal complexes. The synthesized ligands and their metal complexes have been characterized using IR, NMR, Single Crystal X-ray diffraction, and Melting

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43

Mukhopadhyay, Sukrit. "Theoretical Studies Of Electronic Properties And Electronic Processes In Conjugated Molecules." Thesis, 2010. https://etd.iisc.ac.in/handle/2005/1265.

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This thesis deals with theoretical studies of electronic properties of organic conjugated molecules. The first chapter introduces different classes of organic conjugated molecules which possess high hole mobility, large quadratic non-linear response and low band gap. In this chapter, we further describe different photo-physical processes and the basic principles of various opto-electronic devices. The second chapter provides an introduction to various many-body techniques, which are employed in studying ground and excited state properties of organic conjugated systems. First, we describe the H

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44

Mukhopadhyay, Sukrit. "Theoretical Studies Of Electronic Properties And Electronic Processes In Conjugated Molecules." Thesis, 2010. http://etd.iisc.ernet.in/handle/2005/1265.

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This thesis deals with theoretical studies of electronic properties of organic conjugated molecules. The first chapter introduces different classes of organic conjugated molecules which possess high hole mobility, large quadratic non-linear response and low band gap. In this chapter, we further describe different photo-physical processes and the basic principles of various opto-electronic devices. The second chapter provides an introduction to various many-body techniques, which are employed in studying ground and excited state properties of organic conjugated systems. First, we describe the H

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