Veröffentlichungen
2020
Biener, Jürgen; Brand, Helmut; Ertl, Gerhard; Karpitschka, Stefan; Schlicht, Stefan; Wehner, Stefan (2020): Nachruf auf Jürgen Küppers. In: Physik Journal. S. 58.
Schlebrowski, Torben; Acharchi, Halima; Hahn, Barbara; Wehner, Stefan; Fischer, Christian B. (2020): Refinement of Sustainable Polybutylene Adipate Terephthalate (PBAT) with Amorphous Hydrogenated Carbon Films (a‐C:H) Revealing Film Instabilities Influenced by a Thickness‐Dependent Change of sp2/sp3 Ratio. In: MDPI materials.2019
Schink, Carina; Catena, Alberto; Heintz, Katharina; Görls, Helmar; Beresko, Christian; Ankerhold, Georg; von der Au, Marcus; Meermann, Björn; Van Malderen, Stijn J. M.; Vanhaecke, Frank; Wehner, Stefan; Imhof, Wolfgang; Fischer, Christian B. (2019): Attaching Photochemically Active Ruthenium Polypyridyl Complex Units to Amorphous Hydrogenated Carbon (a‐C:H) Layers. In: Wiley Online Library. Bd. 6. Nr. 2.
Hahn, Barbara; Wehner, Stefan; Fischer, Christian B. (2019): Prediction of a-C:H layer failure on industrial relevant biopolymer polylactide acide (PLA) foils based on the sp2/sp3 ratio. Bd. 368. S. 79-87.
Guan, Wen; Wang, Yongxin; Fischer, Christian B.; Wang, Zongbao; Wehner, Stefan; Wang, Chunting; Li, Jinlong; Guo, Wuming; Xue, Qunji (2019): Novel strategy to improve the tribological property of polymer: In-situ growing amorphous carbon coating on the surface. In: Applied Surface Science. Bd. 505. Nr. 144626.2018
Cisternas, Jaime; Wehner, Stefan (2018): Detailed analysis of transitions in the CO oxidation on palladium(111) under noisy conditions. In: Journal of Chemical Physics. Bd. 149. Nr. 044706.2017
Rochert, Anna S.; Rösken, Liz M.; Fischer, Christian B.; Schönleber, Andreas; Ecker, Dennis; van Smaalen, Sander; Geimer, Stefan; Wehner, Stefan (2017): Bioselective synthesis of gold nanoparticles from diluted mixed Au, Ir, and Rh ion solution by Anabaena cylindrica. In: Journal of Nanoparticle Research. Bd. 19. S. 355.
Boeva, Zhanna A.; Catena, Alberto; Höfler, Lajos; Wehner, Stefan; Fischer, Christian B.; lindfors, Tom (2017): Improved water barrier properties of polylactic acid films with an amorphous hydrogenated carbon (a-C:H) coating. In: Carbon. Bd. 120. S. 157-164.
Catena, Alberto; Agnello, Simonpietro; Cannas, Marco; Gelardi, Franco M.; Wehner, Stefan; Fischer, Christian B. (2017): Evolution of the sp2 content and revealed multilayer growth of amorphous hydrogenated carbon (a-C:H) films on selected thermoplastic materials. In: Carbon. S. 351-359.2016
Catena, Alberto; Agnello, Simonpietro; Rösken, Liz M.; Bergen, Helmut; Recktenwald, Etienne; Bernsmann, Falk; Busch, Heinz; Cannas, Marco; Gelardi, Franco M.; Hahn, Barbara; Wehner, Stefan; Fischer, Christian B. (2016): Characteristics of industrially manufactured amorphous hydrogenated carbon (a-C:H) depositions on high-density polyethylene. In: Carbon Journal Elsevier. Bd. 96. S. 661 - 671.
Rösken, Liz M.; Cappel, Felix; Koersten, Susanne; Fischer, Christian B.; Schönleber, Andreas; van Smaalen, Sander; Geimer, Stefan; Beresko, Christian; Ankerhold, Georg; Wehner, Stefan (2016): Time-dependent growth of crystalline Au 0 -nanoparticles in cyanobacteria as self-reproducing bioreactors: 2. Anabaena cylindrica. In: Beilstein Journal of Nanotechnology. Bd. 7. S. 312 - 327.
Catena, Alberto; Guo, Qiaochu; Kunze, Michael R.; Agnello, Simonpietro; Gelardi, Franco M.; Wehner, Stefan; Fischer, Christian B. (2016): Morphological and Chemical Evolution of Gradually Deposited Diamond-Like Carbon Films on Polyethylene Terephthalate: From Subplantation Processes to Structural Reorganization by Intrinsic Stress Release Phenomena. In: ACS Publications.
Catena, Alberto; Kunze, Michael R.; Agnello, Simonpietro; Gelardi, Franco M.; Wehner, Stefan; Fischer, Christian B. (2016): Amorphous hydrogenated carbon (a-C:H) depositions on polyoxymethylene: Substrate influence on the characteristics of the developing coatings. In: Surface and Coatings Technology. Bd. 307. S. 658-665.2015
Catena, Alberto; McJunkin, Thomas; Agnello, Simonpietro; Gelardi, Franco M.; Wehner, Stefan; Fischer, Christian B. (2015): Surface morphology and grain analysis of successively industrially grown amorphous hydrogenated carbon films (a-C:H) on silicon. In: Applied Surface Science. Bd. 347. S. 657 - 667.2014
Rösken, Liz M.; Koersten, Susanne; Fischer, Christian B.; Schönleber, Andreas; Smaalen, Sander van; Geimer, Stefan; Wehner, Stefan (2014): Time-dependent growth of crystalline Au0-nanoparticles in cyanobacteria as self-reproducing bioreactors: 1. Anabaena sp.. In: Journal of Nanoparticle Research. Bd. 16. S. 2370.
Rohrbeck, Magdalena; Fischer, Christian B.; Wehner, Stefan; Meier, Jutta; Manz, Werner (2014): DLC-coated pure bioplastic foil Effect of various sterilization methods on the surface morphology. In: Vakuum. Bd. 26. Nr. 2. S. 42 - 47.
Cisternas, Jaime; Karpitschka, Stefan; Wehner, Stefan (2014): Travelling fronts of the CO oxidation on Pd(111) with coverage-dependent diffusion. In: Journal of Chemical Physics. Bd. 141. S. 164106.
Wehner, Stefan; Cisternas, Jaime; Descalzi, Oracio; Küppers, Jürgen (2014): Noisy CO oxidation on Iridium(111) surfaces. In: European Physical Journal ST. Bd. 223. S. 21 - 41.
Fischer, Christian B.; Rohrbeck, Magdalena; Zentgraf, Simon; Wehner, Stefan (2014): Diamond-like carbon coatings on medically relevant polyurethane tubing with a follow-up aging study. In: Biointerface Research in Applied Chemistry. Bd. 4. Nr. 5. S. 837 - 842.
Wehner, Stefan; Cisternas, Jaime; Descalzi, Oracio; Küppers, Jürgen (2014): Noisy CO oxidation on Iridium(111) surfaces: Experiments explained by theory under realistic assumptions. In: European Physical Journal ST. Bd. 213. S. 21-41.2013
Fischer, Christian B.; Rohrbeck, Magdalena; Wehner, Stefan; Richter, Matthias; Schmeißer, Dieter (2013): Interlayer formation of diamond-like carbon coatings on industrial polyethylene: Thickness dependent surface characterization by SEM, AFM and NEXAFS. In: Applied Surface Science. Bd. 271. S. 381 - 389.
Rohrbeck, Magdalena; Koersten, Susanne; Fischer, Christian B.; Wehner, Stefan; Kessler, Barbara (2013): Diamond-like carbon coating of a pure bioplastic foil. In: Thin Solid Films. Bd. 545. Nr. 10. S. 558 - 563.
Fischer, Christian B.; Bernsmann, Falk; Ajaj, Wassim; Rohrbeck, Magdalena; Busch, Heinz; Kessler, Barbara; Wehner, Stefan (2013): Plasmaunterstützte DLC-Beschichtung von Kunststoffen. In: Vakuum in Forschung und Praxis. Bd. 25. Nr. 5. S. 36-41.2012
Cisternas, Jaime; Wehner, Stefan; Descalzi, Oracio (2012): CO oxidation on Iridium(111) surfaces under large non-Gaussian noise. In: Journal of Chemical Physics. Bd. 137. Nr. 064105.2011
Cisternas, Jaime; Lecaros, Rodrigo; Wehner, Stefan (2011): Carbon monoxide oxidation on iridium(111) surfaces driven by strongly colored noise. In: European Physical Journal D. Bd. 62. Nr. 1. S. 91-102.2010
Wehner, Stefan; Karpitschka, Stefan; Burkov, Yevgen; Schmeißer, Dieter; Küppers, Jürgen (2010): Stochastic aspects of pattern formation during the catalytic oxidation of CO on Pd(111) surfaces. In: Physica D Nonlinear Phenomena. Bd. 239. S. 746 - 751.
Haegel, Stefan; Zecho, Thomas; Wehner, Stefan (2010): A technique for extending the precision and the range of temperature programmed desorption toward extremely low coverages. In: Review of Scientific Instruments. Bd. 81. S. 033904.
Cisternas, Jaime; Escaff, Daniel; Descalzi, Oracio; Wehner, Stefan (2010): Carbon Monoxide Oxidation on Iridium(111) Surfaces under Colored Noise. In: International Journal of Bifurcation and Chaos. Bd. 20. S. 243-254.
Wehner, Stefan; Karpitschka, Stefan; Burkov, Yevgen; Schmeißer, Dieter; Küppers, Jürgen; Brand, Helmut R. (2010): Stochastic aspects of pattern formation during the catalytic oxidation of CO on Pd(111) surfaces. In: Physica D - Nonlinear Phenomena. Bd. 239. S. 746-751.2009
Cisternas, Jaime; Escaff, Daniel; Descalzi, Oracio; Wehner, Stefan (2009): Stochastic Model calculation of the carbon monoxide oxidation on Iridium(111) surfaces. In: International Journal of Bifurcation and Chaos. Bd. 19. S. 3461-3472.
Karpitschka, Stefan; Wehner, Stefan; Küppers, Jürgen (2009): Reaction hysteresis of the CO + O -> CO2 reaction on Palladium(111). In: Journal of Chemical Physics. Bd. 130. S. 054706.
Wehner, Stefan (2009): The CO Oxidation Reaction on Ir(111) Surfaces: Bistability, Noise and Spatiotemporal Patterns in Experiment and Modeling (Review). In: International Journal of Bifurcation and Chaos. Bd. 19. S. 2637-2675.
Fischer, Christian B.; Ehrenhaft, Gitta; Schubert-Unkmeir, Alexandra; Wehner, Stefan (2009): Preparation and study of bacterial layers on SWCNT films with subsequent carbonization. In: Open Surface Science Journal. Bd. 1. S. 50-53.2007
Wehner, Stefan; Hoffmann, Patrick; Schmeißer, Dieter; Brand, Helmut R.; Küppers, Jürgen (2007): Influence of the substrate on the pattern formation of a surface reaction. In: AIP Conference Proceedings. Bd. 913. S. 121-126.
Wehner, Stefan; Hoffmann, Patrick; Schmeißer, Dieter; Brand, Helmut R.; Küppers, Jürgen (2007): Influence of the substrate on the pattern formation of a surface reaction. In: AIP Conference Proceedings. Bd. 913. S. 121-126.2006
Hoffmann, Patrick; Wehner, Stefan; Schmeißer, Dieter; Brand, Helmut R.; Küppers, Jürgen (2006): Noise-induced spatio-temporal patterns in a bistable reaction-diffusion system: Photoelectron emission microscopy experiments and modeling of the CO oxidation reaction on Ir(111). In: Physical Review E. Bd. 73. S. 056123.
Wehner, Stefan; Hoffmann, Patrick; Schmeißer, Dieter; Brand, Helmut R.; Küppers, Jürgen (2006): The consequences of anisotropic diffusion and noise: PEEM at the CO oxidation reaction on stepped Ir(977) surfaces. In: Chemical Physics Letters. Bd. 423. S. 39-44.2005
Hayase, Yumino; Wehner, Stefan; Küppers, Jürgen; Brand, Helmut R. (2005): The role of sampling time in measurements of the CO2 kinetics of the bistable reaction CO + O2 -> CO2 on Ir(111) surfaces. In: Physica D - Nonlinear Phenomena. Bd. 205. S. 15-24.
Wehner, Stefan; Hoffmann, Patrick; Schmeißer, Dieter; Brand, Helmut R.; Küppers, Jürgen (2005): Spatiotemporal patterns of external noise-induced transitions in a bistable reaction-diffusion system: Photoelectron emission microscopy experiments and modeling. In: Physical Review Letters. Bd. 95. S. 038301.2004
Wehner, Stefan; Hayase, Yumino; Brand, Helmut R.; Küppers, Jürgen (2004): Multiplicative temperature noise applied to a bistable surface reaction: Experiment and theory. In: Journal of Physical Chemistry B, J Phys Chem B. Bd. 108. S. 14452-14461.
Wehner, Stefan; Paffett, M.T.; Zaera, Francisco (2004): Molecular beam studies of the kinetics of thermal conversion of N2O on Rh(111) single-crystal surfaces. In: Journal of Physical Chemistry B, J Phys Chem B. Bd. 108. S. 18683-18692.
Hayase, Yumino; Wehner, Stefan; Küppers, Jürgen; Brand, Helmut R. (2004): External noise imposed on the reaction-diffusion system CO +O2 --> CO2 on Ir(111) surfaces: Experiment and theory. In: Physical Review E. Bd. 69. S. 021609.2003
Wehner, Stefan; Baumann, Frank; Küppers, Jürgen (2003): Kinetic hysteresis in the CO oxidation reaction on Ir(111) surfaces. In: Chemical Physics Letters. Bd. 370. S. 126-131.
Wehner, Stefan; Baumann, Frank; Ruckdeschel, M.; Küppers, Jürgen (2003): Kinetic phase transitions in the reaction CO+O→CO2 on Ir(111) surfaces. In: Journal of Chemical Physics. Bd. 119. S. 6823 - 6831.2001
Wehner, Stefan; Zecho, Thomas; Küppers, Jürgen (2001): Kinetics of the Reaction of Adsorbed Hexamethyldisilane on C/Pt(111) with D atoms: Si-Si Bond Breaking. In: Journal of Physical Chemistry B, J Phys Chem B. Bd. 105. S. 1799-1804.
Zaera, Francisco; Wehner, Stefan; Gopinath, Chinnakonda S.; Zgrablich, Giorgio; Gargiulo, Verónica; Sales, José Luis (2001): Evidence for the Formation of Nitrogen Islands on Rhodium Surfaces. In: Journal of Physical Chemistry B, J Phys Chem B. Bd. 105. S. 7771 - 7774.1999
Wehner, Stefan; Küppers, Jürgen (1999): Interaction of gaseous D atoms with alkyl halides adsorbed on Pt(111), H/Pt(111), and C/Pt(111) surfaces: Hot-atom and Eley-Rideal reactions. II. Ethyl iodide. In: Journal of Chemical Physics. Bd. 111. S. 3218-3224.
Wehner, Stefan; Küppers, Jürgen (1999): Interaction of gaseous D atoms with alkyl halides adsorbed on Pt(111), H/Pt(111) , and C/Pt(111) surfaces: Hot-atom and Eley-Rideal reactions. III. Isopropyl bromide. In: Journal of Chemical Physics. Bd. 111. S. 3225-3232.
Wehner, Stefan; Küppers, Jürgen (1999): Interaction of gaseous D atoms with alkyl halides adsorbed on Pt(111), H/Pt(111) , and C/Pt(111) surfaces: Hot-atom and Eley-Rideal reactions. I. Methyl bromide. In: Journal of Chemical Physics. Bd. 111. S. 3209-3217.1998
Wehner, Stefan; Küppers, Jürgen (1998): Abstraction of H adsorbed on Pt(111) surfaces with gaseous D atoms: isotope and flux effects. In: Surface Science. Bd. 411. S. 46-53.
Wehner, Stefan; Küppers, Jürgen (1998): Interaction of gaseous D atoms with CH3I adsorbed on Pt(111), H/Pt(111), and C/Pt(111) surfaces: From hot-atom to Eley-Rideal phenomenology. In: Journal of Chemical Physics. Bd. 109. S. 294-300.
Kammler, Thomas; Wehner, Stefan; Küppers, Jürgen (1998): The role of sticking and reaction probabilities in hot-atom mediated abstraction reactions of D on metal surfaces by gaseous H atoms. In: Journal of Chemical Physics. Bd. 109. S. 4071-4077.
Wehner, Stefan; Küppers, Jürgen (1998): Two consecutive Eley-Rideal reaction steps in a D atom/adsorbate interaction: from methylene iodide via methyl iodide to methane. In: Chemical Physics Letters. Bd. 288. S. 873-878.
Wehner, Stefan; Küppers, Jürgen (1998): Abstraction of D adsorbed on Pt(111) surfaces with gaseous H atoms. In: Journal of Chemical Physics. Bd. 108. S. 3353 - 3359.1995
Kammler, Thomas; Wehner, Stefan; Küppers, Jürgen (1995): Interaction of thermal H atoms with Ni(100)-H surfaces: through surface penetration and adsobed hydrogen abstraction. In: Surface Science. Bd. 339. Nr. 1-2. S. 125-134.