Christoph Rameshan

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Research output

  1. 2018

  2. Ligand Migration from Cluster to Support: A Crucial Factor for Catalysis by Thiolate-protected Gold Clusters

    Zhang, B., Sels, A., Salassa, G., Pollitt, S., Truttmann, V., Rameshan, C., Llorca, J., Olszewski, W., Rupprechter, G., Bürgi, T. & Barrabés, N., 7 Dec 2018, In: ChemCatChem. 10.2018, 23, p. 5341 1 p.

    Research output: Contribution to journal › Comment/debate › peer-review

  3. Ligand Migration from Cluster to Support: A Crucial Factor for Catalysis by Thiolate-protected Gold Clusters

    Zhang, B., Sels, A., Salassa, G., Pollitt, S., Truttmann, V., Rameshan, C., Llorca, J., Olszewski, W., Rupprechter, G., Bürgi, T. & Barrabés, N., 7 Dec 2018, In: ChemCatChem. 10.2018, 23, p. 5372-5376 5 p.

    Research output: Contribution to journal › Article › Research › peer-review

  4. The Chemical Evolution of the La0.6Sr0.4CoO3−Δ Surface Under SOFC Operating Conditions and Its Implications for Electrochemical Oxygen Exchange Activity

    Opitz, A. K., Rameshan, C., Kubicek, M., Rupp, G. M., Nenning, A., Götsch, T., Blume, R., Hävecker, M., Knop-Gericke, A., Rupprechter, G., Klötzer, B. & Fleig, J., 1 Dec 2018, In: Topics in catalysis. 61.2018, 20, p. 2129-2141 13 p.

    Research output: Contribution to journal › Article › Research › peer-review

  5. Vibrational fingerprint of localized excitons in a two-dimensional metal-organic crystal

    Corva, M., Ferrari, A., Rinaldi, M., Feng, Z., Roiaz, M., Rameshan, C., Rupprechter, G., Costantini, R., Dell’Angela, M., Pastore, G., Comelli, G., Seriani, N. & Vesselli, E., 1 Dec 2018, In: Nature Communications. 9.2018, 1, 8 p., 4703.

    Research output: Contribution to journal › Article › Research › peer-review

  6. Impregnated and Co-precipitated Pd–Ga2O3, Pd–In2O3 and Pd–Ga2O3–In2O3 Catalysts: Influence of the Microstructure on the CO2 Selectivity in Methanol Steam Reforming

    Rameshan, C., Lorenz, H., Armbrüster, M., Kasatkin, I., Klötzer, B., Götsch, T., Ploner, K. & Penner, S., 1 Oct 2018, In: Catalysis letters. 148.2018, 10, p. 3062-3071 10 p.

    Research output: Contribution to journal › Article › Research › peer-review

  7. In situ NAP-XPS spectroscopy during methane dry reforming on ZrO2/Pt(1 1 1) inverse model catalyst

    Rameshan, C., Li, H., Anic, K., Roiaz, M., Pramhaas, V., Rameshan, R., Blume, R., Hävecker, M., Knudsen, J., Knop-Gericke, A. & Rupprechter, G., 8 Jun 2018, In: Journal of Physics Condensed Matter. 30.2018, 26, 12 p., 264007.

    Research output: Contribution to journal › Article › Research › peer-review

  8. Polarization-Dependent SFG Spectroscopy of Near Ambient Pressure CO Adsorption on Pt(111) and Pd(111) Revisited

    Li, X., Roiaz, M., Pramhaas, V., Rameshan, C. & Rupprechter, G., 13 Apr 2018, In: Topics in catalysis. 61.2018, June, p. 751-762 12 p.

    Research output: Contribution to journal › Article › Research › peer-review

  9. Atmospheric pressure reaction cell for operando sum frequency generation spectroscopy of ultrahigh vacuum grown model catalysts

    Roiaz, M., Pramhaas, V., Li, X., Rameshan, C. & Rupprechter, G., 10 Apr 2018, In: Review of scientific instruments. 89.2018, 4, 10 p., 045104.

    Research output: Contribution to journal › Article › Research › peer-review

  10. Ice Nucleation Activity of Graphene and Graphene Oxides

    Häusler, T., Gebhardt, P., Iglesias, D., Rameshan, C., Marchesan, S., Eder, D. & Grothe, H., 1 Mar 2018, In: Journal of Physical Chemistry C. 122.2018, 15, p. 8182-8190 9 p.

    Research output: Contribution to journal › Article › Research › peer-review

  11. Surface science approach to Pt/carbon model catalysts: XPS, STM and microreactor studies

    Motin, A. M., Haunold, T., Bukhtiyarov, A. V., Bera, A., Rameshan, C. & Rupprechter, G., 31 Jan 2018, (E-pub ahead of print) In: Applied surface science. 440.2018, 15 May, p. 680-687 8 p.

    Research output: Contribution to journal › Article › Research › peer-review

  12. 2017

  13. Surface Chemistry of Perovskite-Type Electrodes during High Temperature CO2 Electrolysis Investigated by Operando Photoelectron Spectroscopy

    Opitz, A. K., Nenning, A., Rameshan, C., Kubicek, M., Götsch, T., Blume, R., Hävecker, M., Knop-Gericke, A., Rupprechter, G., Klötzer, B. & Fleig, J., 21 Sept 2017, In: ACS Applied Materials and Interfaces. 9.2017, 41, p. 35847-35860 14 p.

    Research output: Contribution to journal › Article › Research › peer-review

  14. Aerosol-assisted CVD of thioether-functionalised indium aminoalkoxides

    Biegger, F., Jungwirth, F., Seifner, M. S., Rameshan, C. & Barth, S., 2 Jun 2017, In: Monatshefte fur Chemie. 148.2017, 8, p. 1385-1392 8 p.

    Research output: Contribution to journal › Article › Research › peer-review

  15. Synthesis and Properties of Monolayer-Protected Cox(SC2H4Ph)m Nanoclusters

    Pollitt, S., Pittenauer, E., Rameshan, C., Schachinger, T., Safonova, O. V., Truttmann, V., Bera, A., Allmaier, G., Barrabés, N. & Rupprechter, G., 22 Feb 2017, In: Journal of Physical Chemistry C. 121.2017, 20, p. 10948-10956 9 p.

    Research output: Contribution to journal › Article › Research › peer-review

  16. Novel visible-light-sensitized Chl-Mg/P25 catalysts for photocatalytic degradation of rhodamine B

    Phongamwong, T., Donphai, W., Prasitchoke, P., Rameshan, C., Barrabés, N., Klysubun, W., Rupprechter, G. & Chareonpanich, M., 14 Feb 2017, (E-pub ahead of print) In: Applied Catalysis B: Environmental. 207.2017, 15 June, p. 326-334 9 p.

    Research output: Contribution to journal › Article › Research › peer-review

  17. Operando studies of working catalysts by synchrotron-based XPS and XAS at atmospheric pressure

    Rupprechter, G., Rameshan, C., Föttinger, K. & Rameshan, C., 2017, Abstracts of Papers of the American Chemical Society. (Abstracts of Papers of the American Chemical Society).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  18. 2016

  19. Operando XAS and NAP-XPS studies of preferential CO oxidation on Co3O4 and CeO2-Co3O4 catalysts

    Lukashuk, L., Föttinger, K., Kolar, E., Rameshan, C., Teschner, D., Hävecker, M., Knop-Gericke, A., Yigit, N., Li, H., McDermott, E., Stöger-Pollach, M. & Rupprechter, G., 23 Sept 2016, (E-pub ahead of print) In: Journal of catalysis. 344.2016, December, 15 p.

    Research output: Contribution to journal › Article › Research › peer-review

  20. Surface Spectroscopy on UHV-Grown and Technological Ni–ZrO2 Reforming Catalysts: From UHV to Operando Conditions

    Anic, K., Wolfbeisser, A., Li, H., Rameshan, C., Föttinger, K., Bernardi, J. & Rupprechter, G., 12 Aug 2016, In: Topics in catalysis. 59.2016, 17-18, p. 1614-1627 14 p.

    Research output: Contribution to journal › Article › Research › peer-review

  21. CO Adsorption on Reconstructed Ir(100) Surfaces from UHV to mbar Pressure: A LEED, TPD, and PM-IRAS Study

    Anic, K., Bukhtiyarov, A. V., Li, H., Rameshan, C. & Rupprechter, G., 21 Apr 2016, In: Journal of Physical Chemistry C. 120.2016, 20, p. 10838-10848 11 p.

    Research output: Contribution to journal › Article › Research › peer-review

  22. Published

    Ambient pressure XPS study of mixed conducting perovskite-type SOFC cathode and anode materials under well-defined electrochemical polarization

    Nenning, A., Opitz, A. K., Rameshan, C., Rameshan, R., Blume, R., Hävecker, M., Knop-Gericke, A., Rupprechter, G., Klötzer, B. & Fleig, J., 28 Jan 2016, In: Journal of Physical Chemistry C. 120, 3, p. 1461-1471 11 p.

    Research output: Contribution to journal › Article › Research › peer-review

  23. Published

    Thioether functionalised gallium and indium alkoxides in materials synthesis

    Biegger, F., Rameshan, C., Opitz, A. K., Noll, J., Haunold, T., Lang, H. & Barth, S., 2016, In: New Journal of Chemistry. 40, 8, p. 6962-6969 8 p.

    Research output: Contribution to journal › Article › Research › peer-review

  24. 2015
  25. Published

    Water adsorption on polycrystalline vanadium from ultra-high vacuum to ambient relative humidity

    Rameshan, C., Ng, M. L., Shavorskiy, A., Newberg, J. T. & Bluhm, H., 19 Jun 2015, In: Surface Science. 641, p. 141-147 7 p.

    Research output: Contribution to journal › Article › Research › peer-review

  26. Published

    Reversible modification of the structural and electronic properties of a boron nitride monolayer by co intercalation

    Ng, M. L., Shavorskiy, A., Rameshan, C., Mikkelsen, A., Lundgren, E., Preobrajenski, A. & Bluhm, H., 7 Apr 2015, In: CHEMPHYSCHEM. 16, 5, p. 923-927 5 p.

    Research output: Contribution to journal › Article › Research › peer-review

  27. Published

    Enhancing electrochemical water-splitting kinetics by polarization-driven formation of near-surface iron(0): An in situ XPS study on perovskite-type electrodes

    Opitz, A. K., Nenning, A., Rameshan, C., Rameshan, R., Blume, R., Hävecker, M., Knop-Gericke, A., Rupprechter, G., Fleig, J. & Klötzer, B., 23 Feb 2015, In: Angewandte Chemie - International Edition. 54, 9, p. 2628-2632 5 p.

    Research output: Contribution to journal › Article › Research › peer-review

  28. Published

    Growth of an ultrathin zirconia film on Pt3Zr examined by high-resolution X-ray photoelectron spectroscopy, temperature-programmed desorption, scanning tunneling microscopy, and density functional theory

    Li, H., Choi, J. I. J., Mayr-Schmölzer, W., Weilach, C., Rameshan, C., Mittendorfer, F., Redinger, J., Schmid, M. & Rupprechter, G., 5 Feb 2015, In: Journal of Physical Chemistry C. 119, 5, p. 2462-2470 9 p.

    Research output: Contribution to journal › Article › Research › peer-review

  29. Published

    Aqueous solution/metal interfaces investigated in operando by photoelectron spectroscopy

    Karslioʇlu, O., Nemšák, S., Zegkinoglou, I., Shavorskiy, A., Hartl, M., Salmassi, F., Gullikson, E. M., Ng, M. L., Rameshan, C., Rude, B., Bianculli, D., Cordones, A. A., Axnanda, S., Crumlin, E. J., Ross, P. N., Schneider, C. M., Hussain, Z., Liu, Z., Fadley, C. S. & Bluhm, H., 2015, In: Faraday Discussions. 180, p. 35-53 19 p.

    Research output: Contribution to journal › Article › Research › peer-review

  30. Published

    Water splitting on model-composite La0.6Sr0.4FeO3-δ (LSF) electrodes in H2/H2O atmosphere

    Opitz, A. K., Nenning, A., Kogler, S., Rameshan, C., Rameshan, R., Blume, R., Hävecker, M., Knop-Gericke, A., Rupprechter, G., Klötzer, B. & Fleig, J., 2015, ECS Transactions. Singhal, S. C. & Eguchi, K. (eds.). 1 ed. Electrochemical Society, Inc., p. 3333-3343 11 p. (ECS Transactions; vol. 68, no. 1).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  31. 2014
  32. Published

    PdZn surface alloys as models of methanol steam reforming catalysts: Molecular studies by LEED, XPS, TPD and PM-IRAS

    Holzapfel, H. H., Wolfbeisser, A., Rameshan, C., Weilach, C. & Rupprechter, G., 1 Sept 2014, In: Topics in catalysis. 57, 14, p. 1218-1228 11 p.

    Research output: Contribution to journal › Article › Research › peer-review

  33. Published

    Combined UHV/high-pressure catalysis setup for depth-resolved near-surface spectroscopic characterization and catalytic testing of model catalysts

    Mayr, L., Rameshan, R., Klötzer, B., Penner, S. & Rameshan, C., May 2014, In: Review of scientific instruments. 85, 5, 055104.

    Research output: Contribution to journal › Article › Research › peer-review

  34. 2013
  35. Published

    From Oxide-Supported Palladium to Intermetallic Palladium Phases: Consequences for Methanol Steam Reforming

    Lorenz, H., Rameshan, C., Bielz, T., Memmel, N., Stadlmayr, W., Mayr, L., Zhao, Q., Soisuwan, S., Klötzer, B. & Penner, S., Jun 2013, In: ChemCatChem. 5, 6, p. 1273-1285 13 p.

    Research output: Contribution to journal › Article › Research › peer-review

  36. 2012
  37. Published

    CO 2-selective methanol steam reforming on In-doped Pd studied by in situ X-ray photoelectron spectroscopy

    Rameshan, C., Lorenz, H., Mayr, L., Penner, S., Zemlyanov, D., Arrigo, R., Haevecker, M., Blume, R., Knop-Gericke, A., Schlögl, R. & Klötzer, B., Nov 2012, In: Journal of catalysis. 295, p. 186-194 9 p.

    Research output: Contribution to journal › Article › Research › peer-review

  38. Published

    How to Control the Selectivity of Palladium-based Catalysts in Hydrogenation Reactions: The Role of Subsurface Chemistry

    Armbrüster, M., Behrens, M., Cinquini, F., Föttinger, K., Grin, Y., Haghofer, A., Klötzer, B., Knop-Gericke, A., Lorenz, H., Ota, A., Penner, S., Prinz, J., Rameshan, C., Révay, Z., Rosenthal, D., Rupprechter, G., Sautet, P., Schlögl, R., Shao, L. & Szentmiklósi, L. & 5 others, Teschner, D., Torres, D., Wagner, R., Widmer, R. & Wowsnick, G., Aug 2012, In: ChemCatChem. 4, 8, p. 1048-1063 16 p.

    Research output: Contribution to journal › Short survey › peer-review

  39. Published

    In situ XPS study of methanol reforming on PdGa near-surface intermetallic phases

    Rameshan, C., Stadlmayr, W., Penner, S., Lorenz, H., Mayr, L., Hävecker, M., Blume, R., Rocha, T., Teschner, D., Knop-Gericke, A., Schlögl, R., Zemlyanov, D., Memmel, N. & Klötzer, B., Jun 2012, In: Journal of catalysis. 290, p. 126-137 12 p.

    Research output: Contribution to journal › Article › Research › peer-review

  40. Published

    Hydrogen production by methanol steam reforming on copper boosted by zinc-assisted water activation

    Rameshan, C., Stadlmayr, W., Penner, S., Lorenz, H., Memmel, N., Hävecker, M., Blume, R., Teschner, D., Rocha, T., Zemlyanov, D., Knop-Gericke, A., Schlögl, R. & Klötzer, B., 19 Mar 2012, In: Angewandte Chemie - International Edition. 51, 12, p. 3002-3006 5 p.

    Research output: Contribution to journal › Article › Research › peer-review

  41. Published

    Steigerung der Wasserstoffproduktion in der Methanol-Dampfreformierung auf Kupfer durch Zink-unterstützte Wasseraktivierung

    Rameshan, C., Stadlmayr, W., Penner, S., Lorenz, H., Memmel, N., Hävecker, M., Blume, R., Teschner, D., Rocha, T., Zemlyanov, D., Knop-Gericke, A., Schlögl, R. & Klötzer, B., 2012, In: Angewandte Chemie International Edition.

    Research output: Contribution to journal › Article › Research › peer-review

  42. 2011
  43. Published

    Surface-assisted laser desorption/ionization-mass spectrometry using TiO 2-coated steel targets for the analysis of small molecules

    Sonderegger, H., Rameshan, C., Lorenz, H., Klauser, F., Klerks, M., Rainer, M., Bakry, R., Huck, C. W. & Bonn, G. K., Oct 2011, In: Analytical and bioanalytical chemistry. 401, 6, p. 1963-1974 12 p.

    Research output: Contribution to journal › Article › Research › peer-review

  44. 2010
  45. Published

    Steam reforming of methanol on PdZn near-surface alloys on Pd(1 1 1) and Pd foil studied by in-situ XPS, LEIS and PM-IRAS

    Rameshan, C., Weilach, C., Stadlmayr, W., Penner, S., Lorenz, H., Hävecker, M., Blume, R., Rocha, T., Teschner, D., Knop-Gericke, A., Schlögl, R., Zemlyanov, D., Memmel, N., Rupprechter, G. & Klötzer, B., 19 Nov 2010, In: Journal of catalysis. 276, 1, p. 101-113 13 p.

    Research output: Contribution to journal › Article › Research › peer-review

  46. Published

    Preparation and structural characterization of SnO2 and GeO2 methanol steam reforming thin film model catalysts by (HR)TEM

    Lorenz, H., Zhao, Q., Turner, S., Lebedev, O. I., Van Tendeloo, G., Klötzer, B., Rameshan, C. & Penner, S., 1 Aug 2010, In: Materials chemistry and physics. 122, 2-3, p. 623-629 7 p.

    Research output: Contribution to journal › Article › Research › peer-review

  47. Published

    Temperature-induced modifications of PdZn layers on Pd(111)

    Stadlmayr, W., Rameshan, C., Weilach, C., Lorenz, H., Hävecker, M., Blume, R., Rocha, T., Teschner, D., Knop-Gericke, A., Zemlyanov, D., Penner, S., Schlögl, R., Rupprechter, G., Klötzer, B. & Memmel, N., 24 Jun 2010, In: Journal of Physical Chemistry C. 114, 24, p. 10850-10856 7 p.

    Research output: Contribution to journal › Article › Research › peer-review

  48. Published

    Origin of different deactivation of Pd/SnO2 and Pd/GeO2 catalysts in methanol dehydrogenation and reforming: A comparative study

    Lorenz, H., Zhao, Q., Turner, S., Lebedev, O. I., Van Tendeloo, G., Klötzer, B., Rameshan, C., Pfaller, K., Konzett, J. & Penner, S., 15 Jun 2010, In: Applied Catalysis A: General. 381, 1-2, p. 242-252 11 p.

    Research output: Contribution to journal › Article › Research › peer-review

  49. Published

    Subsurface-controlled CO2 selectivity of PdZn near-surface alloys in H2 generation by methanol steam reforming

    Rameshan, C., Stadlmayr, W., Weilach, C., Penner, S., Lorenz, H., Hävecker, M., Blume, R., Rocha, T., Teschner, D., Knop-Gericke, A., Schlögl, R., Memmel, N., Zemlyanov, D., Rupprechter, G. & Klötzer, B., 19 Apr 2010, In: Angewandte Chemie - International Edition. 49, 18, p. 3224-3227 4 p.

    Research output: Contribution to journal › Article › Research › peer-review

  50. Published

    Catalytic characterization of pure SnO2 and GeO2 in methanol steam reforming

    Zhao, Q., Lorenz, H., Turner, S., Lebedev, O. I., Van Tendeloo, G., Rameshan, C., Klötzer, B., Konzett, J. & Penner, S., 1 Mar 2010, In: Applied Catalysis A: General. 375, 2, p. 188-195 8 p.

    Research output: Contribution to journal › Article › Research › peer-review

  51. Published

    Pd-In2O3 interaction due to reduction in hydrogen: Consequences for methanol steam reforming

    Lorenz, H., Turner, S., Lebedev, O. I., Van Tendeloo, G., Klötzer, B., Rameshan, C., Pfaller, K. & Penner, S., 1 Feb 2010, In: Applied Catalysis A: General. 374, 1-2, p. 180-188 9 p.

    Research output: Contribution to journal › Article › Research › peer-review

  52. Published

    Subsurface-gesteuerte CO <sub>2</sub> -Selektivität von PdZn-Oberflächenlegierungen in der H <sub>2</sub> -Erzeugung durch Methanoldampfreformierung

    Rameshan, C., Stadlmayr, W., Weilach, C., Penner, S., Lorenz, H., Hävecker, M., Blume, R., Rocha, T., Teschner, D., Knop-Gericke, A., Schlögl, R., Memmel, N., Zemlyanov, D., Rupprechter, G. & Klötzer, B., 2010, In: Angewandte Chemie International Edition.

    Research output: Contribution to journal › Article › Research › peer-review

  53. 2009
  54. Published

    Pd/Ga2O3 methanol steam reforming catalysts: Part II. Catalytic selectivity

    Lorenz, H., Penner, S., Jochum, W., Rameshan, C. & Klötzer, B., 1 May 2009, In: Applied Catalysis A: General. 358, 2, p. 203-210 8 p.

    Research output: Contribution to journal › Article › Research › peer-review

  55. Pd/Ga2O3 methanol steam reforming catalysts: Part I. Morphology, composition and structural aspects

    Penner, S., Lorenz, H., Jochum, W., Stöger-Pollach, M., Wang, D., Rameshan, C. & Klötzer, B., 1 May 2009, In: Applied Catalysis A: General. 358.2009, 2, p. 193-202 10 p.

    Research output: Contribution to journal › Article › Research › peer-review

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