Chemistry Faculty University Stuttgart Institute of
Organic Chemistry
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Publications in Peer Reviewed Journals






35 Heteroleptic diimine–diphosphine Cu(I) complexes as an alternative towards noble-metal based photosensitizers: Design strategies, photophysical properties and perspective applications
Y. Zhang, M. Schulz, M. Wächtler, M. Karnahl & B. Dietzek

Coord. Chem. Rev., 2018, 356, 127-146.
Abstract & Link to article


34 Copper photosensitizers containing P^N ligands and their influence on photoactivity and stability
R. Giereth, W. Frey, H. Junge, S. Tschierlei & M. Karnahl

Chem. Eur. J., 2017, , DOI: 10.1002/chem.201703672.
Abstract & Link to article


33 Electronic and molecular structure relations in diiron compounds mimicking the [FeFe] hydrogenase active site studied by X-ray spectroscopy and quantum chemistry
R. Kositzki, S. Mebs, N. Schuth, N. Leidel, L. Schwartz, M. Karnahl, F. Wittkamp, D. Daunke, A. Grohmann, U.-P. Apfel, F. Gloaguen, S. Ott & M. Haumann

Dalton Trans., 2017, 46, 12544-12557.
Abstract & Link to article


32 Heteroleptic Copper Photosensitizers: Why an extended π-system does not automatically lead to an enhanced hydrogen production
M.Heberle, S. Tschierlei, N. Rockstroh, M. Ringenberg, W. Frey, H. Junge, M. Beller S. Lochbrunner & M. Karnahl

Chem. Eur. J., 2017, 2, 312-319.
Abstract & Link to article


31 Determination of side products in the photocatalytic generation of hydrogen with copper photosensitizers by resonance Raman spectroelectrochemistry
Y. Zhang, M.Heberle, M. Wächtler, M. Karnahl & B. Dietzek

RSC Adv., 2016, 6, 105801-105805.
Abstract & Link to article


30 Ultrafast Excited State Dynamics of Iridium(III) Complexes and their Changes upon Immobilisation onto Titanium Dioxide Layers
S. Tschierlei, A. Neubauer, N. Rockstroh, M. Karnahl, H. Junge, M. Beller & S. Lochbrunner

Phys. Chem. Chem. Phys., 2016, 18, 10682-10687.
Abstract & Link to article


29 Solar Hydrogen Production by Plasmonic Au-TiO2 Catalysts: Impact of Synthesis Protocol and TiO2 Phase on Charge Transfer Efficiency and H2 Evolution Rates
J. B Priebe, J. Radnik, A.J.J. Lennox, M.-M. Pohl, M. Karnahl, D. Hollmann, K. Grabow, U. Bentrup, H. Junge, M. Beller & A. Brückner

ACS Catalysis, 2015, 5, 2137-2148.
Abstract & Link to article


28 Design of multicomponent aerogels and their performance in photocatalytic hydrogen production
R. O. da Silva, F. J. Heiligtag, M. Karnahl, H. Junge, M. Niederberger & S. Wohlrab

Catalysis Today, 2015, 246, 101-107.
Abstract & Link to article


27 Copper-based water reduction catalysts for efficient light-driven hydrogen generation
H. Junge, Z. Codolà , A. Kammer, N. Rockstroh, M. Karnahl, S.-P. Luo, M.-M. Pohl, J. Radnik, S. Gatla, S. Wohlrab, J. Lloret, M. Costas & M. Beller

Journal of Molecular Catalysis A: Chemical, 2014, 395, 449-456.
Abstract & Link to article


26 Substitution-Controlled Excited State Processes in Heteroleptic Copper(I) Photosensitizers Used in Hydrogen Evolving Systems
S. Tschierlei, M. Karnahl, N. Rockstroh, H. Junge, M. Beller & S. Lochbrunner

ChemPhysChem, 2014, 15 (17), 3709-3713.
Abstract & Link to article


25 Death and Rebirth: Photocatalytic Hydrogen Production by a Self-Organizing Copper-Iron System
S. Fischer, D. Hollmann, S. Tschierlei, M. Karnahl, N. Rockstroh, E. Barsch, P. Schwarzbach, S.-P. Luo, H. Junge, M. Beller, S. Lochbrunner, R. Ludwig & A. Brückner

ACS Catal., 2014, 4, 1845-1849.
Abstract & Link to article


24 Structure-Activity Relationships in Bulk Polymeric and Sol-Gel-Derived Carbon Nitrides during Photocatalytic Hydrogen Production
D. Hollmann, M. Karnahl, S. Tschierlei, K. Kailasam, M. Schneider, J. Radnik, K. Grabow, U. Bentrup, H. Junge, M. Beller, S. Lochbrunner, A. Thomas & A. Brückner

Chem. Mater., 2014, 26, 1727-1733.
Abstract & Link to article


23 Coordination and conformational isomers in mononuclear iron complexes with pertinence to the [FeFe] hydrogenase active site
A. Orthaber, M. Karnahl, S. Tschierlei, D. Streich, M. Stein & S. Ott

Dalton Trans., 2014, 43, 4537-4549.
Abstract & Link to article


22 Photocatalytic Hydrogen Production with Copper Photosensitizer-Titanium Dioxide Composites
M. Karnahl, E. Mejía, N. Rockstroh, S. Tschierlei, S.-P. Luo, K. Grabow, A. Kruth, V. Brüser, H. Junge, S. Lochbrunner & M. Beller

ChemCatChem, 2014, 6, 82-86.
Abstract & Link to article


21 A Noble-Metal-Free System for Photocatalytic Hydrogen Production from Water
E. Mejía, S.-P. Luo, M. Karnahl, A. Friedrich, S. Tschierlei, A.-E. Surkus, H. Junge, S. Gladiali, S. Lochbrunner & M. Beller

Chem. Eur. J., 2013, 19, 15972-15978.
Abstract & Link to article


20 Water Reduction with Visible Light: Synergy between Optical Transitions and Electron Transfer in Au-TiO2 Catalysts Visualized by In-situ EPR Spectroscopy
J. B. Priebe, M. Karnahl, H. Junge, M. Beller, D. Hollmann & A. Brückner

Angew. Chem. Int. Ed., 2013, 52, 11420-11424.
Abstract & Link to article


19 Light-Driven Electron Transfer between a Photosensitizer and a Proton-Reducing Catalyst Co-adsorbed to NiO
J. M. Gardner, M. Beyler, M. Karnahl, S. Tschierlei, S. Ott & L. Hammarström

J. Am. Chem. Soc., 2012, 134, 19322-19325.
Abstract & Link to article


18 Mixed-valence [FeIFeII] hydrogenase active site model complexes stabilized by a bidentate carborane bis-phosphine ligand
M. Karnahl, S. Tschierlei, O. F. Erdem, S. Pullen, M.-P. Santoni, E. J. Reijerse, W. Lubitz & S. Ott

Dalton Trans., 2012, 41, 12468-12477.
Abstract & Link to article


17 Structural and spectroscopic characterization of tetranuclear iron complexes containing a bridge
M. Karnahl, A. Orthaber, S. Tschierlei, L. Nagarajan & S. Ott

J. Coord. Chem., 2012, 65, 2713-2723.
Abstract & Link to article


16 The role of the bridging ligand in photocatalytic supramolecular assemblies for the reduction of protons and carbon dioxide
M. Schulz, M. Karnahl, M. Schwalbe & J. G. Vos

Coord. Chem. Rev., 2012, 256, 1682-1705.
Abstract & Link to article


15 Synthesis and photophysics of a novel photocatalyst for hydrogen production based on a tetrapyridoacridine bridging ligand
M. Karnahl, C. Kuhnt, F. W. Heinemann, M. Schmitt, S. Rau, J. Popp & B. Dietzek

Chemical Physics, 2012, 393, 65-73.
Abstract & Link to article


14 Pentacoordinate iron complexes as functional models of the distal iron in [FeFe] hydrogenases
M. Beyler, S. Ezzaher, M. Karnahl, M.-P. Santoni, R. Lomoth & S. Ott

Chem. Commun., 2011, 47, 11662-11664.
Abstract & Link to article


13 The impact of bromine substitution on the photophysical properties of a homodinuclear Ru-tpphz-Ru complex
C. Kuhnt, M. Karnahl, S. Rau, M. Schmitt, B. Dietzek & J. Popp

Chemical Physics Letters, 2011, 516, 45-50.
Abstract & Link to article


12 Tuning of Photocatalytic Hydrogen Production and Photoinduced Intramolecular Electron Transfer Rates by Regioselective Bridging Ligand Substitution
M. Karnahl, C. Kuhnt, F. Ma, A. Yartsev, M. Schmitt, B. Dietzek, S. Rau & J. Popp

ChemPhysChem, 2011, 12, 2101-2109.
Abstract & Link to article


11 Excited-state annihilation in a homodinuclear ruthenium complex
C. Kuhnt, M. Karnahl, M. Schmitt, S. Rau, B. Dietzek & J. Popp

Chem. Commun., 2011, 47, 3820-3821.
Abstract & Link to article


10 Comparing the Reactivity of Benzenedithiolate- versus Alkyldithiolate-Bridged Fe2(CO)6 Complexes with Competing Ligands
D. Streich, M. Karnahl, Y. Astuti, C. W. Cady, L. Hammarström, R. Lomoth & S. Ott

Eur. J. Inorg. Chem., 2011, 2011, 1106-1111.
Abstract & Link to article


09 Photochemical Fate: The First Step Determines Efficiency of H2 Formation with a Supramolecular Photocatalyst
S. Tschierlei, M. Karnahl, M. Presselt, B. Dietzek, J. Guthmuller, L. González, M. Schmitt, S. Rau & J. Popp

Angew. Chem. Int. Ed., 2010, 49, 3981-3984.
Abstract & Link to article


08 The switch that wouldn't switch - unexpected luminescence from a ruthenium(II)-dppz-complex in water
M. Schwalbe, M. Karnahl, S. Tschierlei, U. Uhlemann, M. Schmitt, B. Dietzek, J. Popp, R. Groake, J. G. Vos & S. Rau

Dalton Trans., 2010, 39, 2768-2771.
Abstract & Link to article


07 Substitution-controlled ultrafast excited-state processes in Ru-dppz-derivatives
C. Kuhnt, M. Karnahl, S. Tschierlei, K. Griebenow, M. Schmitt, B. Schäfer, S. Krieck, H. Görls, S. Rau, B. Dietzek & J. Popp

Phys. Chem. Chem. Phys., 2010, 12, 1357-1368.
Abstract & Link to article


06 Synthesis and characterization of regioselective substituted tetrapyridophenazine ligands and their Ru(II) complexes
M. Karnahl, S. Tschierlei, C. Kuhnt, B. Dietzek, M. Schmitt, J. Popp, M. Schwalbe, S. Krieck, H. Görls, F. W. Heinemann & S. Rau

Dalton Trans., 2010, 39, 2359-2370.
Abstract & Link to article


05 Investigation of substitution effects on novel Ru-dppz complexes by Raman spectroscopy in combination with DFT methods
C. Kuhnt, S. Tschierlei, M. Karnahl, S. Rau, B. Dietzek, M. Schmitt & J. Popp

J. Raman Spectrosc., 2010, 41, 922-932.
Abstract & Link to article


04 Synthesis and Photophysical Properties of 3,8-Disubstituted 1,10-Phenanthrolines and Their Ruthenium(II) Complexes
M. Karnahl, S. Krieck, H. Görls, S. Tschierlei, M. Schmitt, J. Popp, D. Chartrand, G. S. Hanan, R. Groarke, J. G. Vos & S. Rau

Eur. J. Inorg. Chem., 2009, 2009, 4962-4971.
Abstract & Link to article


03 Photophysics of an Intramolecular Hydrogen-Evolving Ru-Pd Photocatalyst
S. Tschierlei, M. Presselt, C. Kuhnt, A. Yartsev, T. Pascher, V. Sundström, M. Karnahl, M. Schwalbe, B. Schäfer, S. Rau, M. Schmitt, B. Dietzek & J. Popp

Chem. Eur. J., 2009, 15, 7678-7688.
Abstract & Link to article


02 Ruthenium polypyridine complexes of tris-(2-pyridyl)-1,3,5-triazine-unusual building blocks for the synthesis of photochemical molecular devices
M. Schwalbe, M. Karnahl, H. Görls, D. Chartrand, F. Laverdiere, G. S. Hanan, S. Tschierlei, B. Dietzek, M. Schmitt, J. Popp, J. G. Vos & S. Rau

Dalton Trans., 2009, , 4012-4022.
Abstract & Link to article


01 Resonance Raman studies of photochemical molecular devices for multielectron storage
S. Tschierlei, B. Dietzek, M. Karnahl, S. Rau, F. M. MacDonnell, M. Schmitt & J. Popp

J. Raman Spectrosc., 2008, 39, 557-559.
Abstract & Link to article


Other Publications

02 Design of Heteroleptic Copper Photosensitizers and their Photophysical Properties with Respect to Light-driven Hydrogen Production
M. Karnahl

Bunsen-Magazin, 2015, 17, 232-238.


01 Localization Of The 1MLCT State Of Novel Ruthenium Polypyridine Complexes Via Resonance Raman Spectroscopy
M. Schmitt, S. Tschierlei, M. Karnahl, B. Dietzek, S. Rau, J. Popp

AIP Conference Proceedings, 2010, 1267, 881-882.


Last change: 26 Oct, 2017