Publications
2024
Jannik Kantelhardt, Daniel Sommermann, Werner Köhler: Temperature dependence of the diffusion, thermodiffusion and Soret coefficient of a dilute polystyrene/toluene solution as measured by means of a transient holographic grating technique. In: International Journal of Heat and Mass Transfer, 228 (2024). - .
doi:10.1016/j.ijheatmasstransfer.2024.125602
2023
Daniel Sommermann, Werner Köhler: Diffusion and thermodiffusion of the ternary system polystyrene + toluene + cyclohexane. In: The Journal of Chemical Physics, 159 (2023). - .
doi:10.1063/5.0176432
Werner Köhler, A. Mialdun, M. M. Bou-Ali, V. Shevtsova: The Measurement of Soret and Thermodiffusion Coefficients in Binary and Ternary Liquid Mixtures. In: International Journal of Thermophysics, 44 (2023). - .
doi:10.1007/s10765-023-03242-x
2022
Konstantin I. Morozov, Werner Köhler: Can the Thermophoretic Mobility of Uncharged Colloids Be Predicted?. In: Langmuir, 38 (2022). - S. 2478-2485.
doi:10.1021/acs.langmuir.1c02934
Daniel Zapf, Jannik Kantelhardt, Werner Köhler: Nonlinearities in shadowgraphy experiments on non-equilibrium fluctuations in polymer solutions. In: The European Physical Journal E, 45 (2022). - .
doi:10.1140/epje/s10189-022-00195-1
Daniel Sommermann, Marcel Schraml, Werner Köhler: Thermodiffusion of polymer solutions and colloidal dispersions in mixed solvents. In: The Journal of Chemical Physics, 157 (2022). - .
doi:10.1063/5.0128626
2021
Konstantin I. Morozov, Werner Köhler: Brownian Particle Thermal Drift Caused by Hydrodynamic Fluctuations. In: The Journal of Physical Chemistry B, 125 (2021). - S. 7462-7469.
doi:10.1021/acs.jpcb.1c03942
Marcel Schraml, Henri Bataller, C. Bauer, M. M. Bou-Ali, Fabrizio Croccolo, E. Lapeira, Aliaksandr Mialdun, P. Möckel, A. T. Ndjaka, Valentina Shevtsova, Werner Köhler: The Soret coefficients of the ternary system water/ethanol/triethylene glycol and its corresponding binary mixtures. In: The European Physical Journal E, 44 (2021). - .
doi:10.1140/epje/s10189-021-00134-6
2020
Bastian Pur, Werner Köhler, Konstantin I. Morozov: The Soret effect of halobenzenes in n-alkanes : The pseudo-isotope effect and thermophobicities. In: The Journal of Chemical Physics, 152 (2020). - .
doi:10.1063/1.5141055
Daniel Zapf, Werner Köhler: Thermal and solutal non-equilibrium fluctuations in a polymer solution. In: The Journal of Chemical Physics, 153 (2020). - .
doi:10.1063/5.0030854
Bastian Pur, Florian Schock, Werner Köhler, Konstantin I. Morozov: An Unreasonable Universality of the Thermophoretic Velocity. In: The Journal of Physical Chemistry Letters, 11 (2020). - S. 4498-4502.
doi:10.1021/acs.jpclett.0c01303
Aliaksandr Mialdun, Mounir M. Bou-Ali, Marco Braibanti, Fabrizio Croccolo, Ane Errarte, José Miguel Ezquerro, José Javier Fernández, Loreto García-Fernández, Quentin Galand, Yuri Gaponenko, Fina Gavaldà, Werner Köhler, Tatyana Lyubimova, José M. Ortiz de Zárate, Jacobo Rodríguez, Xavier Ruiz, Ilya I. Ryzhkov, Marcel Schraml, Valentina Shevtsova, Stephan Van Vaerenbergh, Viktar Yasnou, Henri Bataller: Data quality assessment of Diffusion Coefficient Measurements in ternary mIXtures 4 (DCMIX4) experiment. In: Acta Astronautica, 176 (2020). - S. 204-215.
doi:10.1016/j.actaastro.2020.06.020
Alberto Vailati, Philipp Baaske, Henri Bataller, Serena Bolis, Marco Braibanti, Marina Carpineti, Roberto Cerbino, Fabrizio Croccolo, Jean-Luc Dewandel, Aleksandar Donev, Loreto García-Fernández, Fabio Giavazzi, Robert Haslinger, Steven Hens, Maria Knauer, Werner Köhler, Ewald Kufner, José M. Ortiz de Zárate, Jeroen Peeters, Christian J. Schwarz, Inese Silkina, Shenghua Xu, Daniel Zapf: Giant Fluctuations Induced by Thermal Diffusion in Complex Liquids. In: Microgravity Science and Technology, 32 (2020). - S. 873-887.
doi:10.1007/s12217-020-09815-x
2019
Marcel Schraml, Thomas Triller, Daniel Sommermann, Werner Köhler: The DCMIX project : Measurement of thermodiffusion processes in ternary mixtures on ground and in space. In: Acta Astronautica, 160 (2019). - S. 251-257.
doi:10.1016/j.actaastro.2019.04.027
M. Braibanti, P. -A. Artola, Philipp Baaske, Henri Bataller, J.-P. Bazile, M. M. Bou-Ali, D. S. Cannell, Marina Carpineti, Roberto Cerbino, Fabrizio Croccolo, J. Diaz, A. Donev, Ane Errarte, J. M. Ezquerro, A. Frutos-Pastor, Quentin Galand, G. Galliero, Yuri Gaponenko, Loreto García-Fernández, Jna. Gavaldà, Fabio Giavazzi, M. Giglio, C. Giraudet, H. Hoang, E. Kufner, Werner Köhler, E. Lapeira, A. Laverón-Simavilla, J. -C. Legros, I. Lizarraga, T. Lyubimova, S. Mazzoni, N. Melville, Aliaksandr Mialdun, O. Minster, F. Montel, F. J. Molster, José M. Ortiz de Zárate, J. Rodríguez, B. Rousseau, X. Ruiz, I. I. Ryzhkov, Marcel Schraml, Valentina Shevtsova, C. J. Takacs, Thomas Triller, S. Van Vaerenbergh, A. Vailati, A. Verga, R. Vermorel, V. Vesovic, V. Yasnou, S. Xu, Daniel Zapf, K. Zhang: European Space Agency experiments on thermodiffusion of fluid mixtures in space. In: The European Physical Journal E, 42 (2019). - .
doi:10.1140/epje/i2019-11849-0
M. M. Bou-Ali, Ane Errarte, Aliaksandr Mialdun, Valentina Shevtsova, Marcel Schraml, Werner Köhler: Ground measurements of dcmix 4 project Fullerene based nanofluid. In: MATEC Web of Conferences, 286 (2019). - .
doi:10.1051/matecconf/201928608011
Marcel Schraml, Felix Sommer, Bastian Pur, Werner Köhler, G. Zimmermann, V. T. Witusiewicz, L. Sturz: Measurement of non-isothermal transport coefficients in a near-eutectic succinonitrile/(d)camphor mixture. In: The Journal of Chemical Physics, 150 (2019). - .
doi:10.1063/1.5098879
Quentin Galand, Stéfan Van Vaerenbergh, Werner Köhler, Oleg Khlybov, Tatyana Lyubimova, Aliaksandr Mialdun, Ilya Ryzhkov, Valentina Shevtsova, Thomas Triller: Results of the DCMIX1 experiment on measurement of Soret coefficients in ternary mixtures of hydrocarbons under microgravity conditions on the ISS. In: The Journal of Chemical Physics, 151 (2019). - .
doi:10.1063/1.5100595
Daniel Sommermann, Thomas Triller, Werner Köhler: A Robust Data Evaluation Method for the DCMIX Microgravity Experiments. In: Microgravity Science and Technology, 31 (2019). - S. 465-474.
doi:10.1007/s12217-019-09722-w
Thomas Triller, Daniel Sommermann, Marcel Schraml, Felix Sommer, Estela Lapeira, M. M. Bou-Ali, Werner Köhler: The Soret effect in ternary mixtures of water+ethanol+triethylene glycol of equal mass fractions : Ground and microgravity experiments. In: The European Physical Journal E, 42 (2019). - .
doi:10.1140/epje/i2019-11789-7
2018
Thomas Triller, Henri Bataller, M. M. Bou-Ali, M. Braibanti, Fabrizio Croccolo, J. M. Ezquerro, Quentin Galand, Jna. Gavaldà, E. Lapeira, A. Laverón-Simavilla, T. Lyubimova, Aliaksandr Mialdun, José M. Ortiz de Zárate, J. Rodríguez, X. Ruiz, I. I. Ryzhkov, Valentina Shevtsova, S. Van Vaerenbergh, Werner Köhler: Thermodiffusion in Ternary Mixtures of Water/Ethanol/Triethylene Glycol : First Report on the DCMIX3-Experiments Performed on the International Space Station. In: Microgravity Science and Technology, 30 (2018). - S. 295-308.
doi:10.1007/s12217-018-9598-5
2017
Henri Bataller, Thomas Triller, Bastian Pur, Werner Köhler, José M. Ortiz de Zárate, Fabrizio Croccolo: Dynamic analysis of the light scattered by the non-equilibrium fluctuations of a ternary mixture of polystyrene-toluene-n-hexane. In: The European Physical Journal E, 40 (2017). - .
doi:10.1140/epje/i2017-11522-8
Michael Orlishausen, Lorenz Butzhammer, Daniel Schlotbohm, Daniel Zapf, Werner Köhler: Particle accumulation and depletion in a microfluidic Marangoni flow. In: Soft Matter, 13 (2017). - S. 7053-7060.
doi:10.1039/C7SM00954B
Lorenz Butzhammer, Werner Köhler: Thermocapillary and thermosolutal Marangoni convection of ethanol and ethanol-water mixtures in a microfluidic device. In: Microfluidics and Nanofluidics, 21 (2017). - .
doi:10.1007/s10404-017-1992-6
Estela Lapeira, Matthias Gebhardt, Thomas Triller, Aliaksandr Mialdun, Werner Köhler, Valentina Shevtsova, M. M. Bou-Ali: Transport properties of the binary mixtures of the three organic liquids toluene, methanol, and cyclohexane. In: The Journal of Chemical Physics, 146 (2017). - .
doi:10.1063/1.4977078
2016
Michael Orlishausen, Werner Köhler: Competition between phase transition and thermophoretic expansion of a transient poly(N-isopropylacrylamide) network. In: The European Physical Journal E, 39 (2016). - .
doi:10.1140/epje/i2016-16098-1
Philipp Baaske, Henri Bataller, Marco Braibanti, Marina Carpineti, Roberto Cerbino, Fabrizio Croccolo, Aleksandar Donev, Werner Köhler, José M. Ortiz de Zárate, Alberto Vailati: The NEUF-DIX space project - Non-EquilibriUm Fluctuations during DIffusion in compleX liquids. In: The European Physical Journal E, 39 (2016). - .
doi:10.1140/epje/i2016-16119-1
Werner Köhler, Konstantin I. Morozov: The Soret Effect in Liquid Mixtures - A Review. In: Journal of Non-Equilibrium Thermodynamics, 41 (2016). - S. 151-197.
doi:10.1515/jnet-2016-0024
Mate Puljiz, Michael Orlishausen, Werner Köhler, Andreas M. Menzel: Thermophoretically induced large-scale deformations around microscopic heat centers. In: The Journal of Chemical Physics, 144 (2016). - .
doi:10.1063/1.4948729
2015
M. M. Bou-Ali, A. Ahadi, David Alonso de Mezquia, Quentin Galand, Matthias Gebhardt, O. Khlybov, Werner Köhler, M. Larrañaga, J. C. Legros, T. Lyubimova, Aliaksandr Mialdun, I. Ryzhkov, M. Z. Saghir, Valentina Shevtsova, S. Van Vaerenbergh: Benchmark values for the Soret, thermodiffusion and molecular diffusion coefficients of the ternary mixture tetralin+isobutylbenzene+n-dodecane with 0.8-0.1-0.1 mass fraction. In: The European Physical Journal E, 38 (2015). - .
doi:10.1140/epje/i2015-15030-7
Matthias Gebhardt, Werner Köhler: Contribution to the benchmark for ternary mixtures : Measurement of the Soret and thermodiffusion coefficients of tetralin+isobutylbenzene+n-dodecane at a composition of (0.8/0.1/0.1) mass fractions by two-color optical beam deflection. In: The European Physical Journal E, 38 (2015). - .
doi:10.1140/epje/i2015-15024-5
Estela Lapeira, Mounir M. Bou-Ali, Aliaksandr Mialdun, Valentina Shevtsova, Werner Köhler, Matthias Gebhardt, Thomas Triller: Difusioa, Termodifusioa eta Soret koefizienteak kalkulatzeko erabiltzen diren teknika desberdinak. In: Iñaki Alegria, Ainhoa Latatu, Miren Josu Omaetxebarria (Hrsg.): I. Ikergazte Nazioarteko ikerketa euskaraz : Kongresuko artikulu-bilduma. - Bilbao : 2015. - S. 545-550.
Michael Orlishausen, Werner Köhler: Forced Phase Separation by Laser-Heated Gold Nanoparticles in Thermoresponsive Aqueous PNIPAM Polymer Solutions. In: The Journal of Physical Chemistry B, 119 (2015). - S. 8217-8222.
doi:10.1021/acs.jpcb.5b03689
J. C. Legros, Yuri Gaponenko, Aliaksandr Mialdun, Thomas Triller, Alexander Hammon, Chiara Bauer, Werner Köhler, Valentina Shevtsova: Investigation of Fickian diffusion in the ternary mixtures of water–ethanol–triethylene glycol and its binary pairs. In: Physical Chemistry Chemical Physics, 17 (2015). - S. 27713-27725.
doi:10.1039/C5CP04745E
Matthias Gebhardt, Werner Köhler: Soret, thermodiffusion, and mean diffusion coefficients of the ternary mixture n-dodecane+isobutylbenzene+1,2,3,4-tetrahydronaphthalene. In: The Journal of Chemical Physics, 143 (2015). - .
doi:10.1063/1.4934718
Matthias Gebhardt, Werner Köhler: What can be learned from optical two-color diffusion and thermodiffusion experiments on ternary fluid mixtures?. In: The Journal of Chemical Physics, 142 (2015). - .
doi:10.1063/1.4908538
2014
Andreas Paul Fröba, Stefan Will, Yuji Nagasaka, Jochen Winkelmann, Simone Wiegand, Werner Köhler: Optical Methods. In: Marc J. Assael, Anthony R. H. Goodwin, Velisa Vesovic, William A. Wakeham (Hrsg.): Experimental Thermodynamics. Volume 9. Advances in transport properties of fluids. - Cambridge, UK : Royal Society of Chemistry, 2014. - S. 19-74.
doi:10.1039/9781782625254-00019
Steffen Hartmann, Gerhard Wittko, Florian Schock, Wolfgang Gross, Florian Lindner, Werner Köhler, Konstantin I. Morozov: Thermophobicity of liquids : Heats of transport in mixtures as pure component properties - The case of arbitrary concentration. In: The Journal of Chemical Physics, 141 (2014). - .
doi:10.1063/1.4896776
Konstantin I. Morozov, Werner Köhler: Thermophoresis of Polymers : Nondraining vs Draining Coil. In: Langmuir, 30 (2014). - S. 6571-6576.
doi:10.1021/la501695n
2013
Matthias Gebhardt, Werner Köhler, Aliaksandr Mialdun, Viktar Yasnou, Valentina Shevtsova: Diffusion, thermal diffusion, and Soret coefficients and optical contrast factors of the binary mixtures of dodecane, isobutylbenzene, and 1,2,3,4-tetrahydronaphthalene. In: The Journal of Chemical Physics, 138 (2013). - .
doi:10.1063/1.4795432
Florian Schwaiger, Werner Köhler: Photothermal Deformation of a Transient Polymer Network. In: Macromolecules, 46 (2013). - S. 1673-1677.
doi:10.1021/ma302665p
Andreas Königer, Nadine Plack, Werner Köhler, Miriam Siebenbürger, Matthias Ballauff: Thermophoresis of thermoresponsive polystyrene-poly(N-isopropylacrylamide) core-shell particles. In: Soft Matter, 9 (2013). - S. 1418-1421.
doi:10.1039/c2sm27417e
2012
Aliaksandr Mialdun, Viktar Yasnou, Valentina Shevtsova, Andreas Königer, Werner Köhler, David Alonso de Mezquia, M. M. Bou-Ali: A comprehensive study of diffusion, thermodiffusion, and Soret coefficients of water-isopropanol mixtures. In: The Journal of Chemical Physics, 136 (2012). - .
doi:10.1063/1.4730306
Steffen Hartmann, Werner Köhler, Konstantin I. Morozov: The isotope Soret effect in molecular liquids : a quantum effect at room temperatures. In: Soft Matter, 8 (2012). - S. 1355-1360.
doi:10.1039/c1sm06722b
Andreas Königer, Werner Köhler: Optical Funneling and Trapping of Gold Colloids in Convergent Laser Beams. In: ACS Nano, 6 (2012). - S. 4400-4409.
doi:10.1021/nn301080a
Steffen Hartmann, Gerhard Wittko, Werner Köhler, Konstantin I. Morozov, K. Albers, G. Sadowski: Thermophobicity of Liquids : Heats of Transport in Mixtures as Pure Component Properties. In: Physical Review Letters, 109 (2012). - .
doi:10.1103/PhysRevLett.109.065901
Manos Anyfantakis, Andreas Königer, Stergios Pispas, Werner Köhler, Hans-Juergen Butt, Benoit Loppinet, George Fytas: Versatile light actuated matter manipulation in transparent non-dilute polymer solutions. In: Soft Matter, 8 (2012). - S. 2382-2384.
doi:10.1039/c2sm07219j
2011
Markus Burgis, Volker Schaller, Martin Glässl, Benjamin Kaiser, Werner Köhler, Alexei Krekhov, Walter Zimmermann: Anomalous diffusion in viscosity landscapes. In: New Journal of Physics, 13 (2011). - .
doi:10.1088/1367-2630/13/4/043031
I. S. Ivanishko, I. V. Beregovaya, Steffen Hartmann, Werner Köhler, V. I. Borovkov: Intrinsic Reaction Parameters for Electron Transfer from Aromatic Radical Anions to Vicinal Dibromoalkanes in Alkane Solutions. In: The Journal of Physical Chemistry A, 115 (2011). - S. 9861-9875.
doi:10.1021/jp2040828
Florian Schwaiger, Walter Zimmermann, Werner Köhler: Transient cage formation around hot gold colloids dispersed in polymer solutions. In: The Journal of Chemical Physics, 135 (2011). - .
doi:10.1063/1.3665935
2010
Andreas Königer, Heiko Wunderlich, Werner Köhler: Measurement of diffusion and thermal diffusion in ternary fluid mixtures using a two-color optical beam deflection technique. In: The Journal of Chemical Physics, 132 (2010). - .
doi:10.1063/1.3421547
Werner Köhler, Alexei Krekhov, Walter Zimmermann: Thermal Diffusion in Polymer Blends : Criticality and Pattern Formation. In: Axel H. E. Müller, Hans-Werner Schmidt, Volker Altstädt (Hrsg.): Complex Macromolecular Systems. Band 1. - Berlin : Springer, 2010. - S. 145-198.
doi:10.1007/12_2009_33
2009
Thilo Pollak, Werner Köhler: Critical assessment of diffusion coefficients in semidilute to concentrated solutions of polystyrene in toluene. In: The Journal of Chemical Physics, 130 (2009). - .
doi:10.1063/1.3098403
Andreas Königer, Börn Meier, Werner Köhler: Measurement of the Soret, diffusion, and thermal diffusion coefficients of three binary organic benchmark mixtures and of ethanol–water mixtures using a beam deflection technique. In: Philosophical Magazine, 89 (2009). - S. 907-923.
doi:10.1080/14786430902814029
Marianne Hartung, Werner Köhler: Reversible mass exchange between two multicomponent systems of different temperatures. In: The European Physical Journal E, 29 (2009). - S. 117-121.
doi:10.1140/epje/i2009-10456-0
Dominik Stadelmaier, Werner Köhler: Thermal Diffusion of Dilute Polymer Solutions: The Role of Chain Flexibility and the Effective Segment Size. In: Macromolecules, 42 (2009). - S. 9147-9152.
doi:10.1021/ma901794k
2008
Simone Wiegand, Werner Köhler: Determination of molecular weights and their distributions. In: John M. Chalmers, Robert J. Meier (Hrsg.): Molecular characterization and analysis of polymers. - Amsterdam : Elsevier, 2008. - S. 205-254.
Dominik Stadelmaier, Werner Köhler: From Small Molecules to High Polymers : Investigation of the Crossover of Thermal Diffusion in Dilute Polystyrene Solutions. In: Macromolecules, 41 (2008). - S. 6205-6209.
doi:10.1021/ma800891p
2007
Jürgen Rauch, Marianne Hartung, Alexei F. Privalov, Werner Köhler: Correlation between thermal diffusion and solvent self-diffusion in semidilute and concentrated polymer solutions. In: The Journal of Chemical Physics, 126 (2007). - .
doi:10.1063/1.2738467
Albert Voit, Alexei Krekhov, Werner Köhler: Laser-induced structures in a polymer blend in the vicinity of the phase boundary. In: Physical Review E, 76 (2007). - .
doi:10.1103/PhysRevE.76.011808
Gerhard Wittko, Werner Köhler: On the temperature dependence of thermal diffusion of liquid mixtures. In: Europhysics Letters, 78 (2007). - .
doi:10.1209/0295-5075/78/46007
Marianne Hartung, Werner Köhler: Optical cell with periodic resistive heating for the measurement of heat, mass, and thermal diffusions in liquid mixtures. In: Review of Scientific Instruments, 78 (2007). - .
doi:10.1063/1.2764371
Albert Voit, Alexei Krekhov, Werner Köhler: Quenching a UCST Polymer Blend into Phase Separation by Local Heating. In: Macromolecules, 40 (2007). - S. 9-11.
doi:10.1021/ma062205j
2006
Gerhard Wittko, Werner Köhler: Influence of isotopic substitution on the diffusion and thermal diffusion coefficient of binary liquids. In: The European Physical Journal E, 21 (2006). - S. 283-291.
doi:10.1140/epje/i2006-10066-4
Marianne Hartung, Jürgen Rauch, Werner Köhler: Thermal diffusion of dilute polymer solutions : The role of solvent viscosity. In: The Journal of Chemical Physics, 125 (2006). - .
doi:10.1063/1.2393230
2005
Jürgen Rauch, Werner Köhler: On the Molar Mass Dependence of the Thermal Diffusion Coefficient of Polymer Solutions. In: Macromolecules, 38 (2005). - S. 3571-3573.
doi:10.1021/ma050231w
Marianne Hartung, Werner Köhler: The role of heat-conducting walls in the measurement of heat and mass transport in transient grating experiments. In: The European Physical Journal E, 17 (2005). - S. 165-179.
doi:10.1140/epje/i2005-10004-0
Robert R. Kellner, Werner Köhler: Short-time aggregation dynamics of reversible light-induced cluster formation in ferrofluids. In: Journal of Applied Physics, 97 (2005). - .
doi:10.1063/1.1847706
Albert Voit, Alexei Krekhov, Wolfgang Enge, Lorenz Kramer, Werner Köhler: Thermal Patterning of a Critical Polymer Blend. In: Physical Review Letters, 94 (2005). - .
doi:10.1103/PhysRevLett.94.214501
Gerhard Wittko, Werner Köhler: Universal isotope effect in thermal diffusion of mixtures containing cyclohexane and cyclohexane-d12. In: The Journal of Chemical Physics, 123 (2005). - .
doi:10.1063/1.1948368
2004
Wolfgang Enge, Werner Köhler: Correlation between the Soret coefficient and the static structure factor in a polymer blend. In: The European Physical Journal E, 15 (2004). - S. 265-270.
doi:10.1140/epje/i2004-10066-4
Lothar Kador, R. Bausinger, André Leopold, Dietrich Haarer, Werner Köhler: Relaxation Dynamics of Cascaded Linear Processes. In: The Journal of Physical Chemistry A, 108 (2004). - S. 1640-1643.
doi:10.1021/jp030963v
Wolfgang Enge, Werner Köhler: Temperature-Induced Composition Changes in a Critical Polymer Blend. In: ChemPhysChem, 5 (2004). - S. 393-395.
doi:10.1002/cphc.200301028
Wolfgang Enge, Werner Köhler: Thermal diffusion in a critical polymer blend. In: Physical Chemistry Chemical Physics, 6 (2004). - S. 2373-2378.
doi:10.1039/b401087f
2003
Jean K. Platten, M. M. Bou-Ali, Pierre Costesèque, J. F. Dutrieux, Werner Köhler, Cindy Leppla, Simone Wiegand, Gerhard Wittko: Benchmark values for the Soret, thermal diffusion and diffusion coefficients of three binary organic liquid mixtures. In: Philosophical Magazine, 83 (2003). - S. 1965-1971.
doi:10.1080/0141861031000108204
Jürgen Rauch, Werner Köhler: Collective and thermal diffusion in dilute, semidilute, and concentrated solutions of polystyrene in toluene. In: The Journal of Chemical Physics, 119 (2003). - S. 11977-11988.
doi:10.1063/1.1623745
Björn Hoffmann, Werner Köhler, Marina Krekhova: On the mechanism of transient bleaching of the optical absorption of ferrofluids and dyed liquids. In: The Journal of Chemical Physics, 118 (2003). - S. 3237-3242.
doi:10.1063/1.1536954
Gerhard Wittko, Werner Köhler: Precise determination of the Soret, thermal diffusion and mass diffusion coefficients of binary mixtures of dodecane, isobutylbenzene and 1,2,3,4-tetrahydronaphthalene by a holographic grating technique. In: Philosophical Magazine, 83 (2003). - S. 1973-1987.
doi:10.1080/0141861031000108213
Björn Hoffmann, Werner Köhler: Reversible light-induced cluster formation of magnetic colloids. In: Journal of Magnetism and Magnetic Materials, 262 (2003). - S. 289-293.
doi:10.1016/S0304-8853(02)01501-9
2002
Jürgen Rauch, Werner Köhler: Diffusion and Thermal Diffusion of Semidilute to Concentrated Solutions of Polystyrene in Toluene in the Vicinity of the Glass Transition. In: Physical Review Letters, 88 (2002). - .
doi:10.1103/PhysRevLett.88.185901
Simone Wiegand, Werner Köhler: Measurement of Transport Coefficients by an Optical Grating Technique. In: Werner Köhler, Simone Wiegand (Hrsg.): Thermal nonequilibrium phenomena in fluid mixtures. - Berlin ; Heidelberg : Springer, 2002. - S. 189-210.
2001
Michael Bockstaller, Werner Köhler, Gerhard Wegner, George Fytas: Characterization of Association Colloids of Amphiphilic Poly(p-phenylene)sulfonates in Aqueous Solution. In: Macromolecules, 34 (2001). - S. 6353-6358.
doi:10.1021/ma010026q
Michael Bockstaller, Werner Köhler, Gerhard Wegner, Dimitris Vlassopoulos, George Fytas: Levels of Structure Formation in Aqueous Solutions of Anisotropic Association Colloids Consisting of Rodlike Polyelectrolytes. In: Macromolecules, 34 (2001). - S. 6359-6366.
doi:10.1021/ma010027i
Christian Debuschewitz, Werner Köhler: Molecular Origin of Thermal Diffusion in Benzene+Cyclohexane Mixtures. In: Physical Review Letters, 87 (2001). - .
doi:10.1103/PhysRevLett.87.055901
2000
Michael Bockstaller, Werner Köhler, Gerhard Wegner, Dimitris Vlassopoulos, George Fytas: Hierarchical Structures of a Synthetic Rodlike Polyelectrolyte in Water. In: Macromolecules, 33 (2000). - S. 3951-3953.
doi:10.1021/ma000190y
Werner Köhler, Rolf Schäfer: Polymer Analysis by Thermal-Diffusion Forced Rayleigh Scattering. In: Manfred Schmidt (Hrsg.): New Developments in Polymer Analytics II. - Berlin : Springer, 2000. - S. 1-59.
doi:10.1007/3-540-48763-8_1
Rüdiger Spill, Werner Köhler, Gudrun Lindenblatt, Wolfgang Schaertl: Thermal diffusion and Soret feedback of gold-doped polyorganosiloxane nanospheres in toluene. In: Physical Review E, 62 (2000). - S. 8361-8368.
doi:10.1103/PhysRevE.62.8361
Werner Köhler: Thermal-diffusion forced Rayleigh scattering. In: Wyn Brown, Kell Mortensen (Hrsg.): Scattering in polymeric and colloidal systems. - Amsterdam : Gordon & Breach, 2000. - S. 75-115.
1999
Werner Köhler: Measurement of thermal diffusion in polymer solutions and mixtures by forced Rayleigh scattering. In: Entropie : Revue Scientifique et Technique de Thermodynamique, 217 (1999). - S. 25-28.
Marcus Remmers, Beate Müller, Kai Martin, Hans-Joachim Räder, Werner Köhler: Poly(p-phenylene)s. Synthesis, Optical Properties, and Quantitative Analysis with HPLC and MALDI−TOF Mass Spectrometry. In: Macromolecules, 32 (1999). - S. 1073-1079.
doi:10.1021/ma981260s
Jean-Luc Weidmann, Jean-Marc Kern, Jean-Pierre Sauvage, Dirk Muscat, Susan Mullins, Werner Köhler, Christine Rosenauer, Hans Joachim Räder, Kai Martin, Yves Geerts: Poly[2]catenanes and Cyclic Oligo[2]catenanes Containing Alternating Topological and Covalent Bonds : Synthesis and Characterization. In: Chemistry : a European Journal, 5 (1999). - S. 1841-1851.
doi:10.1002/(SICI)1521-3765(19990604)5:6<1841:AID-CHEM1841>3.0.CO;2-Q
Rolf Schäfer, A. Becker, Werner Köhler: Stochastic thermal-diffusion forced Rayleigh scattering. In: International Journal of Thermophysics, 20 (1999). - S. 1-18.
doi:10.1023/A:1021461726559
Dirk Muscat, Werner Köhler, Hans Joachim Räder, Kai Martin, Susan Mullins, Beate Müller, Klaus Müllen, Yves Geerts: Synthesis and Characterization of Poly[2]-catenanes Containing Rigid Catenane Segments. In: Macromolecules, 32 (1999). - S. 1737-1745.
doi:10.1021/ma981077z
1998
S. Servaty, Werner Köhler, W. H. Meyer, Christine Rosenauer, Jochen Spickermann, Hans Joachim Räder, Gerhard Wegner, A. Weier: MALDI-TOF-MS Copolymer Analysis : Characterization of a Poly(dimethylsiloxane)-co-Poly(hydromethylsiloxane) as a Precursor of a Functionalized Silicone Graft Copolymer. In: Macromolecules, 31 (1998). - S. 2468-2474.
doi:10.1021/ma970710y
W. Albrecht, T. Weigel, K. Kneifel, U. Lehmann, S. Duda, Werner Köhler, D. Paul: Polyacrylonitrile capillary membranes for membrane osmometry. In: Acta Polymerica, 49 (1998). - S. 184-191.
doi:10.1002/(SICI)1521-4044(199804)49:4<184:AID-APOL184>3.0.CO;2-1
1997
Werner Köhler, Rolf Schäfer, E. Bartsch, S. Stölken: Collective and self diffusion of PS microgels in solution as observed by thermal diffusion forced Rayleigh scattering. In: Thomas Palberg, Matthias Ballauff (Hrsg.): Optical Methods and Physics of Colloidal Dispersions. - Darmstadt : Steinkopff, 1997. - S. 132-134.
doi:10.1007/BFb0110759
Dirk Muscat, Andreas Witte, Werner Köhler, Klaus Müllen, Yves Geerts: Synthesis of a novel poly[2]-catenane containing rigid catenanes. In: Macromolecular Rapid Communications, 18 (1997). - S. 233-241.
doi:10.1002/marc.1997.030180304
1996
S. Vanhee, R. Rulkens, U. Lehmann, C. Rosenauer, M. Schulze, Werner Köhler, Gerhard Wegner: Synthesis and Characterization of Rigid Rod Poly(p-phenylenes). In: Macromolecules, 29 (1996). - S. 5136-5142.
doi:10.1021/ma960124p
Werner Köhler, George Fytas, Werner Steffen, L. Reinhardt: Thermal diffusivity and structural relaxation in a supercooled liquid by a holographic grating technique. In: The Journal of Chemical Physics, 104 (1996). - S. 248-254.
doi:10.1063/1.470895
F. Renth, E. Bartsch, A. Kasper, S. Kirsch, S. Stölken, H. Sillescu, Werner Köhler, Rolf Schäfer: The effect of the internal architecture of polymer micronetwork colloids on the dynamics in highly concentrated dispersions. In: C. Solans, M. R. Infante, M. J. García-Celma (Hrsg.): Trends in Colloid and Interface Science X. - Darmstadt : Steinkopff, 1996. - S. 127-131.
doi:10.1007/BFb0115766
P. Rossmanith, Werner Köhler: Polymer Polydispersity Analysis by Thermal Diffusion Forced Rayleigh Scattering. In: Macromolecules, 29 (1996). - S. 3203-3211.
doi:10.1021/ma9516302
U. Lehmann, Werner Köhler, W. Albrecht: SEC Absolute Molar Mass Detection by Online Membrane Osmometry. In: Macromolecules, 29 (1996). - S. 3212-3215.
doi:10.1021/ma951764f
1995
Werner Köhler, P. Rossmanith: Aspects of Thermal Diffusion Forced Rayleigh Scattering : Heterodyne Detection, Active Phase Tracking, and Experimental Constraints. In: The Journal of Physical Chemistry, 99 (1995). - S. 5838-5847.
doi:10.1021/j100016a018
Werner Köhler, Christine Rosenauer, P. Rossmanith: Holographic grating study of mass and thermal diffusion of polystyrene/toluene solutions. In: International Journal of Thermophysics, 16 (1995). - S. 11-21.
doi:10.1007/BF01438953
Werner Köhler, P. Rossmanith: A New Holographic Grating Technique for the Measurement of Diffusion and Thermal Diffusion of Polymers in Solution. In: International Journal of Polymer Analysis and Characterization, 1 (1995). - S. 49-62.
doi:10.1080/10236669508009706
Alfons Becker, Werner Köhler, Beate Müller: A Scanning Michelson Interferometer for the Measurement of the Concentration and Temperature Derivative of the Refractive Index of Liquids. In: Berichte der Bunsengesellschaft für physikalische Chemie, 99 (1995). - S. 600-608.
doi:10.1002/bbpc.19950990403
Werner Köhler, Beate Müller: Soret and mass diffusion coefficients of toluene/n‐hexane mixtures. In: The Journal of Chemical Physics, 103 (1995). - S. 4367-4370.
doi:10.1063/1.470677
1994
Werner Köhler, Kathleen Novak, Volker Enkelmann: A holographic grating study on a crystal‐to‐crystal photodimerization and thermal backreaction. In: The Journal of Chemical Physics, 101 (1994). - S. 10474-10480.
doi:10.1063/1.467865
Kathleen Novak, Volker Enkelmann, Werner Köhler, Gerhard Wegner, Kenneth B. Wagener: Homogeneous Photodimerization and Thermal Back Reaction of a Styrylpyrylium Triflate. In: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals, 242 (1994). - S. 1-8.
doi:10.1080/10587259408037734
1993
Werner Köhler, A. Kühn, A. Motsch: A fast membrane osmometer based on a porous glass membrane : first results. In: Acta Polymerica, 44 (1993). - S. 238-242.
doi:10.1002/actp.1993.010440505
Werner Köhler: Thermodiffusion in polymer solutions as observed by forced Rayleigh scattering. In: The Journal of Chemical Physics, 98 (1993). - S. 660-668.
doi:10.1063/1.464610
1992
Werner Köhler, Douglas R. Robello, Thị Phát Đào, Craig S. Willand, David J. Williams: Electric-field induced orientation and relaxation studies in polymers for second-order nonlinear optics. In: Molecular Crystals and Liquid Crystals, Science and Technology. Section B. Nonlinear optics, 3 (1992). - S. 83-94.
1991
Werner Köhler, Douglas R. Robello, Craig S. Willand, David J. Williams: Dielectric relaxation study of some novel polymers for nonlinear optics. In: Macromolecules, 24 (1991). - S. 4589-4599.
doi:10.1021/ma00016a018
Abraham Ulman, Craig S. Willand, Werner Köhler, Douglas R. Robello, David J. Williams, Laura Handley: Use of a Sulfonyl Group in Materials for Nonlinear Optical Materials. In: Seth R. Marder (Hrsg.): Materials for nonlinear optics : chemical perspectives. - Washington, DC : American Chemical Society, 1991. - S. 170-186.
doi:10.1021/bk-1991-0455.ch010
1990
Abraham Ulman, Craig S. Willand, Werner Köhler, Douglas R. Robello, David J. Williams, Laura Handley: New sulfonyl-containing materials for nonlinear optics : semiempirical calculations, synthesis, and properties. In: Journal of the American Chemical Society, 112 (1990). - S. 7083-7090.
doi:10.1021/ja00176a001
Werner Köhler, Douglas R. Robello, Phat T. Dao, Craig S. Willand, David J. Williams: Second harmonic generation and thermally stimulated current measurements : A study of some novel polymers for nonlinear optics. In: The Journal of Chemical Physics, 93 (1990). - S. 9157-9166.
doi:10.1063/1.459205
1989
Werner Köhler, Josef Friedrich: Probing of conformational relaxation processes of proteins by frequency labeling of optical states. In: The Journal of Chemical Physics, 90 (1989). - S. 1270-1273.
doi:10.1063/1.456131
Josef Friedrich, Werner Köhler: Relaxation in Glasses and Proteins. In: Joseph Klafter, Joshua Jortner, Alexander Blumen (Hrsg.): Dynamical Processes in Condensed Molecular Systems. - Singapore : World Scientific, 1989.
Werner Köhler, J. Zollfrank, Josef Friedrich: Stability of frequency domain information bits in amorphous organic materials. In: Journal of Applied Physics, 66 (1989). - S. 3232-3240.
doi:10.1063/1.344114
Werner Köhler, J. Zollfrank, Josef Friedrich: Thermal irreversibility in optically labeled low-temperature glasses. In: Physical Review B, 39 (1989). - S. 5414-5424.
doi:10.1103/PhysRevB.39.5414
1988
Werner Köhler, Josef Friedrich, Hugo Scheer: Conformational barriers in low-temperature proteins and glasses. In: Physical Review A, 37 (1988). - S. 660-662.
doi:10.1103/PhysRevA.37.660
Werner Köhler, Josef Friedrich, Richard Fischer, Hugo Scheer: High resolution frequency selective photochemistry of phycobilisomes at cryogenic temperatures. In: The Journal of Chemical Physics, 89 (1988). - S. 871-874.
doi:10.1063/1.455209
R. Hirschmann, Werner Köhler, Josef Friedrich, Ewald Daltrozzo: Hole burning in excitonic states of long-chain molecular aggregates. In: Chemical Physics Letters, 151 (1988). - S. 60-64.
doi:10.1016/0009-2614(88)80069-1
Werner Köhler, Josef Friedrich: Irreversible Features of Thermal Line Broadening in Glasses as Probed by Persistent Optical Holes. In: Europhysics Letters, 7 (1988). - S. 517-522.
doi:10.1209/0295-5075/7/6/007
Werner Köhler, Josef Friedrich, Richard Fischer, Hugo Scheer: Low temperature spectroscopy of cyanobacterial antenna pigments. In: Hugo Scheer, Siegfried Schneider (Hrsg.): Photosynthetic light-harvesting systems : organization and function. - Berlin ; New York : de Gruyter, 1988. - S. 293-306.
Werner Köhler, Josef Friedrich, Richard Fischer, Hugo Scheer: An optical linewidth study of a chromoprotein : C-phycocyanin in a low temperature glass. In: Chemical Physics Letters, 146 (1988). - S. 280-282.
doi:10.1016/0009-2614(88)87445-1
Werner Köhler, Josef Friedrich: Probing of extremely low configurational barriers in an organic glass. In: The Journal of Chemical Physics, 88 (1988). - S. 6655-6657.
doi:10.1063/1.454405
Werner Köhler, Josef Friedrich, Richard Fischer, Hugo Scheer: Site-selective spectroscopy and level ordering in C-phycocyanine. In: Chemical Physics Letters, 143 (1988). - S. 169-173.
doi:10.1016/0009-2614(88)87032-5
Werner Köhler:Untersuchung von Relaxationsprozessen in Gläsern, Polymeren und Proteinen mit spektralem Lochbrennen. - : 1988.
(Dissertation, 1988, Universität Bayreuth, Fakultät für Mathematik und Physik)
1987
Werner Köhler, Josef Friedrich: Comments on the determination of dispersion in the kinetics of hole-burning reactions. In: Chemical Physics Letters, 134 (1987). - S. 200-202.
doi:10.1016/0009-2614(87)87121-X
Werner Köhler, Josef Friedrich: Configurational Dynamics of Doped Low Temperature Glasses and Polymers. In: Berichte der Bunsengesellschaft für physikalische Chemie, 91 (1987). - S. 858-863.
doi:10.1002/bbpc.19870910906
Werner Köhler, Josef Friedrich: Distribution of barrier heights in amorphous organic materials. In: Physical Review Letters, 59 (1987). - S. 2199-2202.
doi:10.1103/PhysRevLett.59.2199
Werner Köhler, Josef Friedrich: Slow relaxation of organic low temperature glasses. In: Roger Pynn, Tormod Riste (Hrsg.): Time-Dependent Effects in Disordered Materials. - New York : Plenum Press, 1987. - S. 301-304.
Werner Köhler, Josef Meiler, Josef Friedrich: Structural relaxation processes of amorphous organic low temperature glasses. In: Jean Lascombe (Hrsg.): Dynamics of Molecular Crystals. - Amsterdam : Elsevier, 1987.
Werner Köhler, Josef Meiler, Josef Friedrich: Tunneling dynamics of doped organic low-temperature glasses as probed by a photophysical hole-burning system. In: Physical Review B, 35 (1987). - S. 4031-4037.
doi:10.1103/PhysRevB.35.4031
1985
Werner Köhler, Werner Breinl, Josef Friedrich: Investigation of polarization diffusion and relaxation dynamics of low temperature glasses. In: The Journal of Chemical Physics, 82 (1985). - S. 2935-2938.
doi:10.1063/1.448241
Werner Köhler, Werner Breinl, Josef Friedrich: Laser photochemistry with polarized light in low-temperature glasses. In: The Journal of Physical Chemistry, 89 (1985). - S. 2473-2477.
doi:10.1021/j100258a010
1984
Werner Köhler, Josef Friedrich: Tieftemperaturphotochemie mit polarisiertem Licht. In: Hans Sixl (Hrsg.): Photoreaktive Festkörper. - Karlsruhe : Wahl, 1984.