Zobrazeno 1 - 10 of 124 pro vyhledávání: '"Hermann Rau"'
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Elektronická kniha
Grundlagen der Elektronenspektroskopie : Theorie der Anregung und Deaktivierung von Molekülen
Autor: Hermann Rau
Quantenmechanische Aspekte der Erzeugung und Deaktivierung angeregter Elektronenzustände stellen die theoretische Grundlage der Elektronenspektroskopie dar. Ausgehend vom Experiment wird zunächst die Beschreibung von Molekülzuständen durch Wellen
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3
Modeling of the Optical Properties of Cofacial Chromophore Pairs: Stilbenophane
Autor: Hans-Georg Mack, Isabella Waldner, Johannes Gierschner, Hermann Rau, Dieter Oelkrug
Publikováno v: The Journal of Physical Chemistry A. 108:257-263
Using electronic absorption and fluorescence spectroscopic techniques, as well as quantum chemical calculations, we have studied the electronic spectra of thia-bridged stilbenophane (TSP) with close cofacial contact of two trans-stilbene (t-SB) units
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a21ce9cf6a7ef9ed0cc92a5dfa75a00f
https://doi.org/10.1021/jp036952j
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5
Photo-Induced Electron Transfer from Excited Tris[2,2′-bipyridine-κN1,κN1′]ruthenium(2+) Ions to Dyadic Electron Acceptors That Can Be Protected by Host-Guest Interaction against Fast Back Electron Transfer, Characterization of the Guest Molecules
Autor: Hermann Rau, Rudolf Frank
Publikováno v: Helvetica Chimica Acta. 84:3837-3848
Anthraquinone and viologen moieties were combined to dyadic molecules with two redox centers. These dyades and their constituents were used as acceptors in photo-induced electron-transfer reactions. The experiments show that a caveat is necessary if
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b319d1ff81bbe766ec22ee2bc921df60
https://doi.org/10.1002/1522-2675(20011219)84:12<3837::aid-hlca3837>3.0.co
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6
Chiral modified electrodes. Part 2. Marcus behaviour and high enantioselectivity in the photoelectrochemistry at a polymeric [Ru(4-methyl-4′-vinyl-2,2′-bipyridine)3]2+ electrode
Autor: Hermann Rau, Michael Wörner, Christian Felcmann, Gerhard Greiner
Publikováno v: Physical Chemistry Chemical Physics. 2:3491-3497
Indium–tin-dioxide (ITO) and Pt electrodes can be modified with films of the photo- and redox-active polymer of [Ru(4-methyl-4′-vinyl-2,2′-bipyridine)3]2+ ([Ru(vbpy)3]2+). These modified electrodes show photocurrents when K3[Co(ox)3] is reduced
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::28ddcafd94ac3e446be32544387c9431
https://doi.org/10.1039/b002730h
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7
Chiral modified electrodes. Part 1. Preparation and characterization of a polymeric [Ru(4-methyl-4′-vinylbipyridine)3]2+ electrode
Autor: Regine Alt, Gerhard Greiner, Hermann Rau, Michael Wörner, Christian Felcmann
Publikováno v: Physical Chemistry Chemical Physics. 2:3483-3489
By means of reductive electropolymerization of [Ru-(4-methyl-4′-vinylbipyridine)3](PF6)2, thin polymer films of about 5 to 100 monolayers are produced on different substrate electrodes. Chiral coatings are obtained when optically resolved [Ru(vbpy)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::222b4b00d6a3b41c20ae60601b4d078b
https://doi.org/10.1039/b002729o
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8
Fluorescence of 2,3-Diazabicyclo[2.2.2]oct-2-ene Revisited: Solvent-Induced Quenching of the n,π*-Excited State by an Aborted Hydrogen Atom Transfer
Autor: J. C. Scaiano, Julia Wall, Gerhard Greiner, Hermann Rau, Werner M. Nau, Massimo Olivucci
Publikováno v: Scopus-Elsevier
The fluorescence lifetimes of 2,3-diazabicyclo[2.2.2]oct-2-ene (DBO) were determined in a large number of solvents and solvent mixtures, displaying variations from 825 ns in CD3CN to 13 ns in CHCl3. Large deuterium isotope effects (8−11) and signif
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::530de2ff23e972531ac9be9c3fef5b6f
https://doi.org/10.1021/jp984303f
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9
Photoinduced electron transfer from excited [tris(2,2′-bipyridine)ruthenium(II)]2+ to a series of anthraquinones with small positive or negative Gibbs energy of reaction. Marcus behavior and negative activation enthalpies
Autor: Hermann Rau, Gerhard Greiner, Rudolf Frank
Publikováno v: Physical Chemistry Chemical Physics. 1:3481-3490
In the electron transfer (ET) quenching reactions of electronically excited *Ru(bpy)32+ in acetonitrile an increase of the rate constant kq is observed in the series of 2-methyl-, 1-chloro-, and 1-nitro-anthraquinone as quenchers. If alkali salts are
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ec5955e06d08521aa5675ad71b98395
https://doi.org/10.1039/a902486g
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10
Negative Enthalpies of Activation and Isokinetic Relationships in the Electron Transfer Quenching Reaction of Pd−Tetraphenylporphyrin by Aromatic Nitro Compounds and Quinones
Autor: Evgeni I. Kapinus, Hermann Rau
Publikováno v: The Journal of Physical Chemistry A. 102:5569-5576
The temperature dependence of electron transfer quenching of triplet excited neutral Pd−tetraphenylporphyrin is investigated in a series of isotropic solvents and in a nematic crystalline one. Aromatic nitro compounds and quinones of different redo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dc50da5af1f2d94acbcc01a2a989cb39
https://doi.org/10.1021/jp980171e
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