Search Results - "Knör, Günther"

Recent progress in homogeneous multielectron transfer photocatalysis and artificial photosynthetic solar energy conversion by Knör, Günther

“…As a consequence of global population growth, our modern civilization is facing many upcoming challenges such as gradually depleting energy resources,…”
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Antimony–Oxo Porphyrins as Photocatalysts for Redox-Neutral C–H to C–C Bond Conversion by Capaldo, Luca, Ertl, Martin, Fagnoni, Maurizio, Knör, Günther, Ravelli, Davide

“…The use of high-valent antimony–oxo porphyrins as visible-light photocatalysts operating via direct hydrogen atom transfer has been demonstrated. Computational…”
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Ellipsometric Spectroelectrochemistry: An in Situ Insight in the Doping of Conjugated Polymers by Cobet, Christoph, Oppelt, Kerstin, Hingerl, Kurt, Neugebauer, Helmut, Knör, Günther, Sariciftci, Niyazi Serdar, Gasiorowski, Jacek

“…In this work we introduce in situ UV–Vis–NIR transmission spectroscopic ellipsometry as an alternative spectroelectrochemical method to examine the π-electron…”
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Cobalt (II) Phthalocyanine Sulfonate Supported on Reduced Graphene Oxide (RGO) as a Recyclable Photocatalyst for the Oxidation of Aldehydes to Carboxylic Acids by Hajimohammadi, Mahdi, Azizi, Naeleh, Tollabimazraeno, Sajjad, Tuna, Ali, Duchoslav, Jiri, Knör, Günther

“…The development of robust and cheap photocatalyst systems for visible-light induced organic substrate transformations is a significant uprising research topic…”
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Photocatalytic Reduction of Artificial and Natural Nucleotide Co-factors with a Chlorophyll-Like Tin-Dihydroporphyrin Sensitizer by Oppelt, Kerstin T, Wöß, Eva, Stiftinger, Martin, Schöfberger, Wolfgang, Buchberger, Wolfgang, Knör, Günther

“…An efficient photocatalytic two-electron reduction and protonation of nicotine amide adenine dinucleotide (NAD+), as well as the synthetic nucleotide co-factor…”
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Studies on the selective two-electron photo-oxidation of benzene to phenol using polyoxometalates, water and simulated solar radiation by Schulz, Manuel, Paulik, Christian, Knör, Günther

“…[Display omitted] ► Robust self-assembling catalyst system for the very selective formation of phenol directly from benzene and water. ► Green C–H bond…”
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Anthracene Based Conjugated Polymers: Correlation between π−π-Stacking Ability, Photophysical Properties, Charge Carrier Mobility, and Photovoltaic Performance by Egbe, Daniel A. M, Türk, Stefan, Rathgeber, Silke, Kühnlenz, Florian, Jadhav, Rupali, Wild, Andreas, Birckner, Eckhard, Adam, Getachew, Pivrikas, Almantas, Cimrova, Vera, Knör, Günther, Sariciftci, Niyazi S, Hoppe, Harald

“…This article reports on the synthesis, characterization and properties of a series of anthracene−containing…”
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How [FeFe]-Hydrogenase Facilitates Bidirectional Proton Transfer by Senger, Moritz, Eichmann, Viktor, Laun, Konstantin, Duan, Jifu, Wittkamp, Florian, Knör, Günther, Apfel, Ulf-Peter, Happe, Thomas, Winkler, Martin, Heberle, Joachim, Stripp, Sven Timo

“…Hydrogenases are metalloenzymes that catalyze the conversion of protons and molecular hydrogen, H2. [FeFe]-hydrogenases show particularly high rates of…”
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Electrocatalytic and photocatalytic reduction of carbon dioxide to carbon monoxide using the alkynyl-substituted rhenium(I) complex (5,5′-bisphenylethynyl-2,2′-bipyridyl)Re(CO)3Cl by Portenkirchner, Engelbert, Oppelt, Kerstin, Ulbricht, Christoph, Egbe, Daniel A.M., Neugebauer, Helmut, Knör, Günther, Sariciftci, Niyazi Serdar

“…The rhenium complex fac-(5,5′-bisphenylethynyl-2,2′-bipyridyl)Re(CO)3Cl was used as a novel catalyst for the electro- and photochemical reduction of CO2 to CO…”
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Design, synthesis and characterization of a modular bridging ligand platform for bio-inspired hydrogen production by Topf, Christoph, Monkowius, Uwe, Knör, Günther

“…Synthesis and characterization of a novel type of ambident bridging ligands joining together the functional prerequisites for visible-light absorption,…”
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Electrocatalytic Reduction of Carbon Dioxide to Carbon Monoxide by a Polymerized Film of an Alkynyl-Substituted Rhenium(I) Complex by Portenkirchner, Engelbert, Gasiorowski, Jacek, Oppelt, Kerstin, Schlager, Stefanie, Schwarzinger, Clemens, Neugebauer, Helmut, Knör, Günther, Sariciftci, Niyazi Serdar

“…The alkynyl‐substituted ReI complex [Re(5,5′‐bisphenylethynyl‐2,2′‐bipyridyl)(CO)3Cl] was immobilized by electropolymerization onto a Pt‐plate electrode. The…”
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Suppressing Effect of 2-Nitrobenzaldehyde on Singlet Oxygen Generation, Fatty Acid Photooxidation, and Dye-Sensitizer Degradation by Hajimohammadi, Mahdi, Vaziri Sereshk, Atena, Schwarzinger, Clemens, Knör, Günther

“…2-Nitrobenzaldehyde was found to efficiently block singlet oxygen generation in a series of different test samples upon exposure to UV and visible light under…”
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Rhodium-Coordinated Poly(arylene-ethynylene)-alt-Poly(arylene-vinylene) Copolymer Acting as Photocatalyst for Visible-Light-Powered NAD+/NADH Reduction by Oppelt, Kerstin T, Gasiorowski, Jacek, Egbe, Daniel Ayuk Mbi, Kollender, Jan Philipp, Himmelsbach, Markus, Hassel, Achim Walter, Sariciftci, Niyazi Serdar, Knör, Günther

“…A 2,2′-bipyridyl-containing poly­(arylene-ethynylene)-alt-poly­(arylene-vinylene) polymer, acting as a light-harvesting ligand system, was synthesized and…”
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Synthesis and Characterization of a Stable Bismuth(III) A3–Corrole by Reith, Lorenz Michael, Stiftinger, Martin, Monkowius, Uwe, Knör, Günther, Schoefberger, Wolfgang

“…An efficient metalation procedure for bismuth complexes with meso-substituted corrole ligands is presented. Reaction of 5,10,15-tris-pentafluorophenylcorrole…”
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Efficient fluorophores based on pyridyl-enolato and enamido difluoroboron complexes: Simple alternatives to boron-dipyrromethene (bodipy) dyes by Graser, Markus, Kopacka, Holger, Wurst, Klaus, Ruetz, Markus, Kreutz, Christoph R., Müller, Thomas, Hirtenlehner, Christa, Monkowius, Uwe, Knör, Günther, Bildstein, Benno

“…Difluoroboron complexes of unsymmetric [N,O] and [N,N] chelate ligands based on pyridyl or quinolyl enolates or enamides can be synthesized easily. They are…”
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Using the Alkynyl-Substituted Rhenium(I) Complex (4,4′-Bisphenyl-Ethynyl-2,2′-Bipyridyl)Re(CO)3Cl as Catalyst for CO2 Reduction—Synthesis, Characterization, and Application by Portenkirchner, Engelbert, Schlager, Stefanie, Apaydin, Dogukan, Oppelt, Kerstin, Himmelsbach, Markus, Egbe, Daniel A. M., Neugebauer, Helmut, Knör, Günther, Yoshida, Tsukasa, Sariciftci, Niyazi Serdar

“…The synthesis, structure, photophysics, and spectroscopic characterization of an organometallic rhenium multichromophore compound carrying a central…”
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Luminescence and Theoretical Studies of Cu(tripod)X [tripod = 1,1,1-Tris(diphenylphosphanylmethyl)ethane; X- = Halide, Thiophenolate, Phenylacetylide] by Pawlowski, Valeri, Knör, Günther, Lennartz, Christian, Vogler, Arnd

“…Complexes of the type CuI(tripod)X [tripod = 1,1,1‐tris(diphenylphosphanylmethyl)ethane; X– = Br–, I–, PhS–, PhC≡C–]are phosphorescent in solution and in the…”
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Photocatalytic reactions of porphyrin-based multielectron transfer sensitizers by Knör, Günther

“…Individual metal centers assisted by redox-active ligands can serve as active sites for photocatalytic multielectron transfer (MET) substrate transformations…”
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The concept of photochemical enzyme models – State of the art by Knör, Günther

“…•Artificial enzyme catalysis triggered and controlled by visible light.•Biomimetic reactivity rivalling the performance of natural systems.•Stepwise substrate…”
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Reductive fluorescence quenching of the photoexcited dihydroxy antimony(V) tetraphenylporphine cation in acetonitrile solution by Knör, Günther

“…At 298 K in acetonitrile solution, the dihydroxy antimony(V) tetraphenylporphine cation [Sb V(TPP)(OH) 2] + shows an intraligand fluorescence at λ max=598 nm…”
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