Search Results - "Levanon, H"

Probing the Photoexcited States of Rhodium Corroles by Time-Resolved Q-Band EPR. Observation of Strong Spin−Orbit Coupling Effects by Rozenshtein, V, Wagnert, L, Berg, A, Stavitski, E, Berthold, T, Kothe, G, Saltsman, I, Gross, Z, Levanon, H

“…The photoexcited states of two 5,10,15-tris(pentafluorophenyl)corroles (tpfc), hosting Rh(III) in their core, namely Rh(pyr)(PPh3)(tpfc) and Rh(PPh3)(tpfc),…”
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Exploring the photoexcited triplet states of aluminum and tin corroles by time-resolved Q-band EPR by Wagnert, L., Berg, A., Stavitski, E., Berthold, T., Kothe, G., Goldberg, I., Mahammed, A., Simkhovich, L., Gross, Z., Levanon, H.

“…The photoexcited triplet states of three 5,10, 15-tris(pentafluorophenyl)corroles (tpfc), hosting Sn(IV) and Al(III) in their core, namely, Sn(Cl)(tpfc),…”
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Novel Mechanism for Triplet State Formation in Short Distance Covalently Linked Radical Ion Pairs by Wiederrecht, Gary P, Svec, Walter A, Wasielewski, Michael R, Galili, Tamar, Levanon, Haim

“…We report on a series of electron donor−acceptor (D-A) dyads that undergo singlet-initiated charge separation to produce a strongly spin coupled radical ion…”
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Radical Pair and Triplet State Dynamics of a Photosynthetic Reaction-Center Model Embedded in Isotropic Media and Liquid Crystals by Hasharoni, Kobi, Levanon, Haim, Greenfield, Scott R., Gosztola, David, J., Svec, Walter A., Wasielewski, Michael R.

“…The electron spin dynamics associated with intramolecular electron transfer in a photosynthetic model system, which consists of a linear structure of the type…”
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Mimicry of the Radical Pair and Triplet States in Photosynthetic Reaction Centers with a Synthetic Model by Hasharoni, Kobi, Levanon, Haim, Greenfield, Scott R, Gosztola, David J, Svec, Walter A, Wasielewski, Michael R

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Determination of the Energy Levels of Radical Pair States in Photosynthetic Models Oriented in Liquid Crystals with Time-Resolved Electron Paramagnetic Resonance by Levanon, Haim, Galili, Tamar, Regev, Ayelet, Wiederrecht, Gary P, Svec, Walter A, Wasielewski, Michael R

“…We report the results of time-resolved electron paramagnetic resonance (TREPR) studies of photoinduced charge separation in a series of biomimetic…”
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Magnetic-Field-Induced Orientation of Photosynthetic Reaction Centers, As Revealed by Time-Resolved D-Band Electron Paramagnetic Resonance of Spin-Correlated Radical Pairs. II. Field Dependence of the Alignment by Heinen, Ulrich, Poluektov, Oleg, Stavitski, Eli, Berthold, Thomas, Ohmes, Ernst, Schlesselman, Sandra L, Golecki, Jochen R, Moro, Giorgio J, Levanon, Haim, Thurnauer, Marion C, Kothe, Gerd

“…The magnetic-field-induced orientation of photosynthetic reaction centers has been studied by time-resolved D-band (130 GHz) electron paramagnetic resonance…”
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Photoelectrons in Rb/THF Solution:  Spectral Dependence of Photodetachment Cross-Section by Rozenshtein, V, Heimlich, Y, Levanon, H, Lukin, L

“…Photoconductivity method, combined with laser pulse excitation, was employed to obtain the spectral dependence of electron photodetachment in…”
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Exploring new active materials for low-noise room-temperature microwave amplifiers and other devices by Blank, A., Kastner, R., Levanon, H.

“…Newly discovered chemical systems, mainly the C/sub 60/ molecule (a molecule containing 60 carbon atoms) and porphyrin molecules (one of the basic building…”
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On the Interactions of Free Radicals with Gold Nanoparticles by Zhang, Zhenyuan, Berg, Alexander, Levanon, Haim, Fessenden, Richard W, Meisel, Dan

“…Electron paramagnetic resonance (EPR) spectroscopy was used to study the interactions between stable free radicals and gold nanoparticles. The nitroxyl free…”
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Singlet photochemistry in model photosynthesis: identification of charge separated intermediates by Fourier transform and CW-EPR spectroscopies by Hasharoni, Kobi, Levanon, Haim, Tang, Jau, Bowman, Michael K, Norris, James R, Gust, Devens, Moore, Thomas A, Moore, Ana L

“…Intramolecular electron transfer from the photoexcited state of a carotenoid-porphyrin-diquinone tetrad was studied by selective laser excitation with both…”
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ADVANCED EPR SPECTROSCOPY ON ELECTRON TRANSFER PROCESSES IN PHOTOSYNTHESIS AND BIOMIMETIC MODEL SYSTEMS by Levanon, H, Möbius, K

“…This review focuses on the recent advances in EPR spectroscopy as they are applied both to photoinduced electron transfer in the photosynthetic apparatus and…”
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Photoinduced electron transfer between C60 and N,N,N′,N′-tetramethylbenzidine (NTMB). Fourier transform electron paramagnetic resonance study by Michaeli, S., Meiklyar, V., Endeward, B., Möbius, K., Levanon, H.

“…Fourier transform EPR spectroscopy was employed in studying the electron transfer (ET) reaction and the quenching mechanisms of the photoexcited triplet state…”
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Triplet Dynamics of Conformationally Distorted Porphyrins: Time-Resolved Electron Paramagnetic Resonance by Regev, Ayelet, Galili, Tamar, Medforth, Craig J, Smith, Kevin M, Barkigia, Kathleen M, Fajer, Jack, Levanon, Haim

“…The photoexcited triplet states of the nonplanar porphyrins, free base and zinc 2,3,7,8,12,13,17,18-octaethyl-5,10,15,20-tetraphenylporphyri ns (OETPPs), were…”
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Electron Spin Polarization of Functionalized Fullerenes. Reversed Quartet Mechanism by Rozenshtein, Vladimir, Berg, Alexander, Stavitski, Eli, Levanon, Haim, Franco, Lorenzo, Corvaja, Carlo

“…Time-resolved electron paramagnetic resonance (TREPR) spectroscopy was used to study two functionalized fullerenes consisting of a C60 moiety covalently linked…”
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Liquid-phase ESR, ENDOR, and TRIPLE resonance of porphycene anion radicals by Schluepmann, Jenny, Huber, Martina, Toporowicz, Moshe, Plato, Martin, Koecher, Matthias, Vogel, Emanuel, Levanon, Haim, Moebius, Klaus

“…Porphycenes are novel structural isomers of porphyrins. The radical anions of several porphycenes were studied by ESR, ENDOR, and TRIPLE resonance in liquid…”
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Line-shape analysis of transient triplet electron paramagnetic resonance spectra. Application to porphyrins and chlorophylls in nematic uniaxial liquid crystals by Gonen, O, Levanon, H

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Electron transfer reactions involving porphyrins and chlorophyll a by Neta, P, Scherz, A, Levanon, Haim

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Mechanism of photosystem II photoinactivation and D1 protein degradation at low light: the role of back electron flow by Keren, N. (The Hebrew University of Jerusalem, Jerusalem, Israel.), Berg, A, Kan, P.J.M. van, Levanon, H, Ohad, I

“…Light intensities that limit electron flow induce rapid degradation of the photosystem II (PSII) reaction center D1 protein. The mechanism of this phenomenon…”
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Spin Dynamics of a “Parachute” Shaped Fullerene−Porphyrin Dyad by Galili, Tamar, Regev, Ayelet, Levanon, Haim, Schuster, David I, Guldi, Dirk M

“…The electron spin dynamics associated with the photoinduced intramolecular electron transfer (ET) in a covalently linked malonate-strapped zinc…”
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