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Stefan Wehner

Prof. Dr. Stefan Wehner

Oberflächenphysik, Universität Koblenz

Universitätsstraße 1, 56070 Koblenz

  • +49261/287-2341
  • +49261/287-1002341
  • 0000-0003-0291-2145
Publikationen
Ergebnisse pro Seite:  100

Beucher, L.; Schlebrowski, T.; Fritz, M. et al.

Controlling the sp2/sp3 ratio of amorphous hydrogenated carbon layers (a-C:H) on polylactide acid (PLA) at constant distance but angle-dependent deposition

Applied Surface Science. Bd. 629. Elsevier B.V. 2023 157450



Fritz, Melanie; Körsten, Susanne; Chen, Xiaochen et al.

High-resolution particle size and shape analysis of the first Samarium nanoparticles biosynthesized from aqueous solutions via cyanobacteria Anabaena cylindrica

NanoImpact. Bd. 2022. Elsevier B.V. 2022 S. 100398


Beucher, L.; Schlebrowski, T.; Rohe, K. et al.

Surface treatment of biopolymer films Polylactic acid and Polyhydroxybutyrat with angular changing oxygen plasma ‒ More than just gradual purification

Surfaces and Interfaces. Bd. 30. Elsevier B.V. 2022 S. 101856




Wang, Yongxin; Guan, Wen; Fischer, Christian B. et al.

Microstructures, mechanical properties and tribological behaviors of amorphous carbon coatings in-situ grown on polycarbonate surfaces

Applied Surface Science. Bd. 563. Elsevier B.V. 2021 S. 150309



Schlebrowski, Torben; Fritz, Melanie; Beucher, Lucas et al.

The Growth Behavior of Amorphous Hydrogenated Carbon a-C:H Layers on Industrial Polycarbonates—A Weak Interlayer and a Distinct Dehydrogenation Zone

C : Journal of Carbon Research. Bd. 7. H. 3. MDPI AG 2021 S. 59


Schlebrowski, Torben; Kassab, Zineb; El Achaby, Mounir et al.

Effect of Cellulose Nanocrystals on the Coating of Chitosan Nanocomposite Film Using Plasma-Mediated Deposition of Amorphous Hydrogenated Carbon (a–C:H) Layers

C — Journal of Carbon Research. Bd. 6. H. 3. MDPI AG 2020 S. 51


Schlebrowski, Torben; Kassab, Zineb; El Achaby, Mounir et al.

Influence of cellulose microfiber reinforcement for polyvinyl alcohol on the layer growth of plasma-deposited a-C:H

Diamond and Related Materials. Bd. 109. Elsevier B.V. 2020 S. 108065


Biener, Jürgen; Brand, Helmut; Ertl, Gerhard et al.

Nachruf auf Jürgen Küppers

Physik Journal. H. 3. Weinheim: Wiley 2020 S. 58


Guan, Wen; Wang, Yongxin; Fischer, Christian B. et al.

Novel strategy to improve the tribological property of polymer: In-situ growing amorphous carbon coating on the surface

Applied Surface Science. Bd. 505. Elsevier B.V. 2020 S. 144626


Guan, Wen; Wang, Yongxin; Fischer, Christian B. et al.

Novel strategy to improve the tribological property of polymer: In-situ growing amorphous carbon coating on the surface

Applied Surface Science. Bd. 505. Amsterdam: Elsevier 2020




Schink, Carina; Catena, Alberto; Heintz, Katharina et al.

Attaching Photochemically Active Ruthenium Polypyridyl Complex Units to Amorphous Hydrogenated Carbon (a-C:H) Layers

Advanced Materials Interfaces. Bd. 6. H. 2. Weinheim: Wiley 2019



Fischer, Christian B.; Körsten, Susanne; Rösken, Liz M. et al.

Cyanobacterial promoted enrichment of rare earth elements europium, samarium and neodymium and intracellular europium particle formation

RSC Advances : an international journal to further the chemical sciences. Bd. 9. H. 56. London: RSC Publishing 2019 S. 32581 - 32593


Schlebrowski, T.; Beucher, L.; Bazzi, H. et al.

Prediction of a-C:H layer failure on industrial relevant biopolymer polylactide acide (PLA) foils based on the sp2/sp3 ratio

Surface and Coatings Technology. Bd. 368. Elsevier BV 2019 S. 79 - 87


Schlebrowski, Torben; Beucher, Lucas; Bazzi, Hadi et al.

Prediction of a-C:H layer failure on industrial relevant biopolymer polylactide acide (PLA) foils based on the sp²/sp³ ratio

Surface and Coatings Technology. Bd. 368. Amsterdam: Elsevier 2019 S. 79 - 87


Schlebrowski, T.; Rouabeh, W.; Wehner, S. et al.

Specifying the interlayer turning point and dehydrogenation in a-C:H layers plasma deposited on high-density polyethylene with X-ray synchrotron techniques

Thin Solid Films. Bd. 691. Elsevier B.V. 2019 S. 137617


Schink, Carina; Catena, Alberto; Heintz, Katharina et al.

Attaching Photochemically Active Ruthenium Polypyridyl Complex Units to Amorphous Hydrogenated Carbon (a-C:H) Layers

Advanced Materials Interfaces. Bd. 1801308. Wiley 2018 S. 1 - 11


Cisternas, Jaime; Wehner, Stefan

Detailed analysis of transitions in the CO oxidation on palladium(111) under noisy conditions

Journal of Chemical Physics. Bd. 149. H. 4. Melville, NY: American Institute of Physics 2018


Rochert, Anna S.; Rösken, Liz M.; Fischer, Christian B. et al.

Bioselective synthesis of gold nanoparticles from diluted mixed Au, Ir, and Rh ion solution by Anabaena cylindrica

Journal of Nanoparticle Research. Bd. 19. H. 11. Dordrecht: Springer 2017 S. 355


Catena, Alberto; Agnello, Simonpietro; Cannas, Marco et al.

Evolution of the sp² content and revealed multilayer growth of amorphous hydrogenated carbon (a-C:H) films on selected thermoplastic materials

Carbon. Bd. 117. Amsterdam: Elsevier 2017 S. 351 - 359


Boeva, Zhanna A.; Catena, Alberto; Höfler, Lajos et al.

Improved water barrier properties of polylactic acid films with an amorphous hydrogenated carbon (a-C:H) coating

Carbon. Bd. 120. Amsterdam: Elsevier 2017 S. 157 - 164


Catena, Alberto; Kunze, Michael R.; Agnello, Simonpietro et al.

Amorphous hydrogenated carbon (a-C:H) depositions on polyoxymethylene: Substrate influence on the characteristics of the developing coatings

Surface and Coatings Technology. Bd. 307. H. Part A. Amsterdam: Elsevier 2016 S. 658 - 665


Catena, Alberto; Agnello, Simonpietro; Rösken, Liz M. et al.

Characteristics of industrially manufactured amorphous hydrogenated carbon (a-C:H) depositions on high-density polyethylene

Carbon. Bd. 96. Amsterdam: Elsevier 2016 S. 661 - 671


Catena, Alberto; Guo, Qiaochu; Kunze, Michael R. et al.

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

ACS Applied Materials & Interfaces. Bd. 8. H. 16. Washington, DC: American Chemical Society 2016 S. 10636 - 10646


Rösken, Liz M.; Cappel, Felix; Körsten, Susanne et al.

Time-dependent growth of crystalline Au⁰ -nanoparticles in cyanobacteria as self-reproducing bioreactors: 2. Anabaena cylindrica

Beilstein Journal of Nanotechnology. Bd. 7. Frankfurt am Main: Beilstein-Institut zur Förderung der Chemischen Wissenschaften 2016 S. 312 - 327


Catena, Alberto; McJunkin, Thomas; Agnello, Simonpietro et al.

Surface morphology and grain analysis of successively industrially grown amorphous hydrogenated carbon films (a-C:H) on silicon

Applied Surface Science. Bd. 347. Amsterdam: Elsevier 2015 S. 657 - 667


Fischer, Christian B.; Rohrbeck, Magdalena; Zentgraf, Simon et al.

Diamond-like carbon coatings on medically relevant polyurethane tubing with a follow-up aging study

Biointerface Research in Applied Chemistry. Bd. 4. H. 5. Bucharest, Romania: AMG Transcend Association 2014 S. 837 - 842


Rohrbeck, Magdalena; Fischer, Christian; Wehner, Stefan et al.

DLC-coated pure bioplastic foil: Effect of various sterilization methods on the surface morphology

Vakuum in Forschung und Praxis. Bd. 26. H. 2. Weinheim: Wiley-VCH 2014 S. 42 - 47


Wehner, Stefan; Cisternas, Jaime; Descalzi, Oracio et al.

Noisy CO oxidation on Iridium(111) surfaces

European Physical Journal ST. Bd. 223. 2014 S. 21 - 41


Wehner, Stefan; Cisternas, Jaime; Descalzi, Oracio et al.

Noisy CO oxidation on Iridium(111) surfaces: Experiments explained by theory under realistic assumptions

European Physical Journal ST. Bd. 213. 2014 S. 21 - 41


Rösken, Liz; Körsten, Susanne; Fischer, Christian B. et al.

Time-dependent growth of crystalline Au⁰ -nanoparticles in cyanobacteria as self-reproducing bioreactors: 1. Anabaena sp

Journal of Nanoparticle Research. Bd. 16. H. 4. Dordrecht: Springer 2014 S. 2370


Rösken, Liz; Körsten, Susanne; Fischer, Christian et al.

Time-dependent growth of crystalline Au0-nanoparticles in cyanobacteria as self-reproducing bioreactors: 1. Anabaena sp.

Journal of Nanoparticle Research. Bd. 16. H. 4. 2014 S. 1 - 14 Artikel 2370


Cisternas, Jaime; Karpitschka, Stefan; Wehner, Stefan

Travelling fronts of the CO oxidation on Pd(111) with coverage-dependent diffusion

Journal of Chemical Physics. Bd. 141. H. 16. Melville, NY: American Institute of Physics 2014 S. 164106


Rohrbeck, Magdalena; Körsten, Susanne; Fischer, Christian B. et al.

Diamond-like carbon coating of a pure bioplastic foil

Thin Solid Films. Bd. 545. Amsterdam: Elsevier 2013 S. 558 - 563


Fischer, Christian; Rohrbeck, Magdalena; Wehner, Stefan et al.

Diamond-like carbon coatings on polyethylene plastic material generating interlayer formation

DCM 2013 - International Conference on Diamond and Carbon Materials. Riva del Garda. 2013


Fischer, Christian B.; Rohrbeck, Magdalena; Wehner, Stefan et al.

Interlayer Formation of Diamond-Like Carbon (DLC) Coatings on Plastic Material

IVC-19 2013 - 19th International Vacuum Co. Paris. 2013


Fischer, Christian B.; Rohrbeck, Magdalena; Wehner, Stefan et al.

Interlayer formation of diamond-like carbon coatings on industrial polyethylene: Thickness dependent surface characterization by SEM, AFM and NEXAFS

Applied Surface Science. Bd. 271. Amsterdam: Elsevier 2013 S. 381 - 389


Fischer, Christian B.; Rohrbeck, Magdalena; Wehner, Stefan et al.

Interlayer Formation of Diamond-Like Carbon Coatings on Polyethylene Plastic Material

Verhandl. DPG (VI) 48. Regensburg. 2013


Fischer, Christian B.; Bernsmann, Falk; Ajaj, Wassim et al.

Plasmaunterstützte DLC-Beschichtung von Kunststoffen: Veränderungen von Oberflächentopographie und thermischer Belastbarkeit

Vakuum in Forschung und Praxis. Bd. 25. H. 5. Weinheim: Wiley-VCH 2013 S. 36 - 41


Cisternas, Jaime; Wehner, Stefan; Descalzi, Orazio

CO oxidation on Ir(111) surfaces under large non-Gaussian noise

Journal of Chemical Physics. Bd. 137. H. 6. Melville, NY: American Institute of Physics 2012


Fischer, C. B.; Rohrbeck, M.; Wehner, S. et al.

Combining selected plastic materials with diamond-like carbon coatings

Abstract Book CMD-24 ECOSS-29 CMMP-12 ECSCD-11. Edinburgh International Conference Centre, Edinburgh, Scotland, UK. 2012 S. 399 - 400


Rohrbeck, M.; Fischer, C. B.; Wehner, S. et al.

Diamond-Like Carbon Coatings on Industrial Polyethylene Surfaces

Verhandl. DPG (VI) 47. Technische Universität Berlin. 2012


Fischer, C. B.; Rohrbeck, M.; Wehner, S. et al.

Diamond-Like Carbon Coatings on Selected Plastic Materials

Verhandl. DPG (VI) 47. Technische Universität Berlin. 2012


Fischer, Christian B.; Rohrbeck, Magdalena; Wehner, Stefan et al.

Improving selected plastic materials with diamond-like carbon (DLC) coatings

Carbon2012 the Annual World Conference on Carbon. Krakau. 2012


Fischer, Christian B.; Rohrbeck, Magdalena; Wehner, Stefan et al.

Interlayer formation of hard Diamond-like Carbon Coatings on soft Polyethylene material

5th Joint BER II and BESSY II Users‘ Meeting. Berlin. 2012


Rohrbeck, Magdalena; Fischer, C. B.; Wehner, S. et al.

Surface characterization of diamond-like carbon coated polyethylene

Abstract Book CMD-24 ECOSS-29 CMMP-12 ECSCD-11. Edinburgh International Conference Centre, Edinburgh, Scotland, UK. 2012 S. 212 - 213


Rohrbeck, M.; Fischer, C. B.; Wehner, S.

Adhesion Behavior of Bacteria on Raw and Modified Polyurethane Surfaces

Biomater 2011; 12(1-4):79-90. Justus-Liebig-Universität Gießen. 2011


Cisternas, Jaime; Lecaros, Rodrigo; Wehner, Stefan

Carbon monoxide oxidation on Iridium(111) surfaces driven by strongly colored noise

European Physical Journal D. Bd. 62. H. 1. Berlin: Springer 2011 S. 91 - 102


Fischer, Christian B.; Wehner, Stefan

DLC coatings on plastics for industrial purposes

481. WE-Heraeus-Seminar „Energy Materials Research by neutrons and Synchrotron Radiation“. Bad Honnef. 2011


Fischer, Christian B.; Zentgraf, Simon; Wehner, Stefan

Multiscale surface analysis of DLC-coated plastic materials of medicinal relevance

Verhandl. DPG (VI) 46. Technische Universität Dresden. 2011


Wehner, Stefan; Wilson, Jarod; Omar Unac, Rodolfo et al.

Use of effusive molecular beams to measure kinetics of catalytic reactions

ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. Bd. 241. 2011


Haegel, Stefan; Zecho, Thomas; Wehner, Stefan

A technique for extending the precision and the range of temperature programmed desorption toward extremely low coverages

Review of Scientific Instruments. Bd. 81. H. 3. Melville, NY: American Institute of Physics 2010 033904


Cisternas, Jaime; Escaff, Daniel; Descalzi, Orazio et al.

Carbon Monoxide Oxidation on Iridium(111) Surfaces under Colored Noise

International Journal of Bifurcation and Chaos. Bd. 20. H. 2. Singapore: World Scientific Publishing 2010 S. 243 - 254


Wehner, Stefan; Karpitschka, Stefan; Burkov, Yevgen et al.

Stochastic aspects of pattern formation during the catalytic oxidation of CO on Pd(111) surfaces

PHYSICA D-NONLINEAR PHENOMENA. Bd. 239. H. 11. 2010 S. 746 - 751


Fischer, Christian B.; Ehrenhaft, Gitta; Schubert-Unkmeir, Alexandra et al.

Preparation and Study of Bacterial Layers on SWCNT Films with Subsequent Carbonization

Open Surface Science Journal. Bd. 1. Sharjah: Bentham Science Publishers 2009 S. 50 - 53


Karpitschka, Stefan; Wehner, Stefan; Küppers, Jürgen

Reaction hysteresis of the CO + O → CO₂ reaction on palladium(111)

Journal of Chemical Physics. Bd. 130. H. 5. Melville, NY: American Institute of Physics 2009


Cisternas, Jaime; Escaff, Daniel; Descalzi, Orazio et al.

Stochastic Model calculation of the carbon monoxide oxidation on Iridium(111) surfaces

International Journal of Bifurcation and Chaos. Bd. 19. H. 10. Singapore: World Scientific Publishing 2009 S. 3461 - 3472


Wehner, Stefan

The CO Oxidation Reaction on Ir(111) Surfaces: Bistability, Noise and Spatiotemporal Patterns in Experiment and Modeling

International Journal of Bifurcation and Chaos. Bd. 19. H. 8. Singapore: World Scientific Publishing 2009 S. 2637 - 2675


Wehner, Stefan; Hoffmann, Patrick; Schmeißer, Dieter et al.

Influence of the substrate on the pattern formation of a surface reaction

AIP Conference Proceedings. Bd. 913. 2007 S. 121 - 126



Hoffmann, Patrick; Wehner, Stefan; Schmeisser, Dieter et al.

Noise-induced spatiotemporal patterns in a bistable reaction-diffusion system: Photoelectron emission microscopy experiments and modeling of the CO oxidation reaction on Ir(111)

Physical Review E. Bd. E73. H. 5. Woodbury, NY: American Institute of Physics 2006 S. 056123


Wehner, Stefan; Hoffmann, Patrick; Schmeißer, Dieter et al.

The consequences of anisotropic diffusion and noise: PEEM at the CO oxidation reaction on stepped Ir(1 1 1) surfaces

Chemical Physics Letters. Bd. 423. H. 1-3. Amsterdam: Elsevier 2006 S. 39 - 44


Wehner, Stefan; Hoffmann, Patrick; Schmeißer, Dieter et al.

Spatiotemporal Patterns of External Noise-Induced Transitions in a Bistable Reaction-Diffusion System: Photoelectron Emission Microscopy Experiments and Modeling

Physical Review Letters. Bd. 95. H. 3. College Park, MD: American Physical Society 2005


Hayase, Yumino; Wehner, Stefan; Küppers, Jürgen et al.

The role of sampling time in measurements of the CO₂ kinetics of the bistable reaction CO+O₂ → CO₂ on Ir(111) surfaces

Physica D: Nonlinear Phenomena. Bd. 205. H. 1-4. Amsterdam: Elsevier 2005 S. 15 - 24


Hayase, Yumino; Wehner, Stefan; Küppers, Jürgen et al.

External noise imposed on the reaction-diffusion system CO + O₂ → CO₂ on Ir(111) surfaces: Experiment and theory

Physical Review E. Bd. 69. H. 2. Woodbury, NY: American Institute of Physics 2004


Wehner, Stefan; Paffett, M.T.; Zaera, Francisco

Molecular Beam Studies of the Kinetics of Thermal Conversion of N₂O on Rh(111) Single-Crystal Surfaces

Journal of Physical Chemistry B : American Chemical Society. B, Condensed matter, materials, surfaces, interfaces & biophysical chemistry. Bd. 108. H. 48. Washington, DC: American Chemical Society 2004 S. 18683 - 18692


Wehner, Stefan; Hayase, Yumino; Brand, Helmut R. et al.

Multiplicative Temperature Noise Applied to a Bistable Surface Reaction:  Experiment and Theory

Journal of Physical Chemistry B : American Chemical Society. B, Condensed matter, materials, surfaces, interfaces & biophysical chemistry. Bd. 108. H. 38. Washington, DC: American Chemical Society 2004 S. 14452 - 14461


Wehner, Stefan; Baumann, Frank; Küppers, Jürgen

Kinetic hysteresis in the CO oxidation reaction on Ir(111) surfaces

Chemical Physics Letters. Bd. 370. H. 1-2. Amsterdam: Elsevier 2003 S. 126 - 131


Wehner, Stefan; Baumann, Frank; Ruckdeschel, M. et al.

Kinetic phase transitions in the reaction CO + O → CO₂ on Ir(111) surfaces

Journal of Chemical Physics. Bd. 119. H. 13. Melville, NY: American Institute of Physics 2003 S. 6823 - 6831


Zaera, Francisco; Wehner, Stefan; Gopinath, Chinnakonda S. et al.

Evidence for the Formation of Nitrogen Islands on Rhodium Surfaces

Journal of Physical Chemistry B : American Chemical Society. B, Condensed matter, materials, surfaces, interfaces & biophysical chemistry. Bd. 105. H. 32. Washington, DC: American Chemical Society 2001 S. 7771 - 7774


Wehner, Stefan; Zecho, Thomas; Küppers, Jürgen

Kinetics of the Reaction of Adsorbed Hexamethyldisilane on C/Pt(111) with D Atoms: Si-Si Bond Breaking

Journal of Physical Chemistry B : American Chemical Society. B, Condensed matter, materials, surfaces, interfaces & biophysical chemistry. Bd. 105. H. 9. Washington, DC: American Chemical Society 2001 S. 1799 - 1804


Wehner, S; Gopinath, CS; Zaera, F

Molecular beam study of NO reduction on rhodium catalysts.

ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. Bd. 221. 2001 S. U471


Wehner, Stefan; Küppers, Jürgen

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

Journal of Chemical Physics. Bd. 111. H. 7. Melville, NY: American Institute of Physics 1999 S. 3209 - 3217


Wehner, Stefan; Küppers, Jürgen

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

Journal of Chemical Physics. Bd. 111. H. 7. Melville, NY: American Institute of Physics 1999 S. 3218 - 3224


Wehner, Stefan; Küppers, Jürgen

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

Journal of Chemical Physics. Bd. 111. H. 7. Melville, NY: American Institute of Physics 1999 S. 3225 - 3232


Wehner, Stefan; Küppers, Jürgen

Abstraction of D adsorbed on Pt(111) surfaces with gaseous H atoms

Journal of Chemical Physics. Bd. 108. H. 8. Melville, NY: American Institute of Physics 1998 S. 3353 - 3359


Wehner, Stefan; Küppers, Jürgen

Abstraction of H adsorbed on Pt(111) surfaces with gaseous D atoms: isotope and flux effects

Surface Science. Bd. 411. H. 1-2. Amsterdam: Elsevier 1998 S. 46 - 53


Wehner, Stefan; Küppers, Jürgen

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

Journal of Chemical Physics. Bd. 109. H. 1. Melville, NY: American Institute of Physics 1998 S. 294 - 300


Kammler, Thomas; Wehner, Stefan; Küppers, Jürgen

The role of sticking and reaction probabilities in hot-atom mediated abstraction reactions of D on metal surfaces by gaseous H atoms

Journal of Chemical Physics. Bd. 109. H. 10. Melville, NY: American Institute of Physics 1998 S. 4071 - 4077


Wehner, Stefan; Küppers, Jürgen

Two consecutive Eley-Rideal reaction steps in a D atom/adsorbate interaction: from methylene iodide via methyl iodide to methane

Chemical Physics Letters. Bd. 288. H. 5-6. Amsterdam: Elsevier 1998 S. 873 - 878


Kammler, Thomas; Wehner, Stefan; Küppers, Jürgen

Interaction of thermal H atoms with Ni(100)-H surfaces: through surface penetration and adsobed hydrogen abstraction

Surface Science. Bd. 339. H. 1-2. Amsterdam: Elsevier 1995 S. 125 - 134