Stephan Landgraf

Ao.Univ.-Prof. Dipl.-Chem. Dr.rer.nat.

19952017
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Research Output 1995 2017

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(Old data) Lecture or Presentation
2013

Porous Nanophase Materials with Electrochemically Tunable Properties

Steyskal, E-M., Topolovec, S., Landgraf, S., Krenn, H. & Würschum, R., 2013, p. 152-152.

Research output: Contribution to conference(Old data) Lecture or PresentationResearchpeer-review

2010

Chemisorption-driven reversible property tuning of nanophase metals and oxides

Traußnig, T., Wahl, P., Topolovec, S., Nadeem, K., Landgraf, S., Krenn, H. & Würschum, R., 22 Jun 2010.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Electrochemical Tuning of Resistance and Magnetism of Nanomaterials

Traußnig, T., Wahl, P., Topolovec, S., Landgraf, S., Nadeem, K., Jerabek, P., Krenn, H. & Würschum, R., 7 Apr 2010.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Electrochemical tuning of the electrical resistance of nanoporous gold prepared by dealloying

Wahl, P., Traußnig, T., Jin, HJ., Landgraf, S., Weissmüller, J. & Würschum, R., 13 Sep 2010.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Electrochemical tuning of the electrical resistance of nanoporous gold prepared by dealloying

Wahl, P., Traußnig, T., Jin, H-J., Landgraf, S., Weissmüller, J. & Würschum, R., 21 Mar 2010.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Kinetics of Heterogeneous Electron Transfer Reactions in Ionic Liquids: Effects of Temperature and Solvent

Siraj, N., Grampp, G. & Landgraf, S., 10 Mar 2010.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Mass transport and electrode kinetics parameters in room temperature ionic liquids (RTILs) and in its binary mixture with organic solvent

Siraj, N., Grampp, G. & Landgraf, S., 25 Apr 2010.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Measurement and Numerical Simulation of Steady State and Time-Resolved MARY Spectra

Richert, S., Kattnig, D., Grampp, G. & Landgraf, S., 14 Jun 2010.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2009

Diffusion assisted electron transfer reactions from steady-state to fs-spectroscopy

Landgraf, S., Rosspeintner, A., Kattnig, D., Grampp, G., Angulo Nunez, G. M. & Cuetos, A., 22 May 2009.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Influence of ligands on magnetic properties of chemically synthesized FePt-nanocrystallites

Traußnig, T., Landgraf, S., Rumpf, K., Granitzer, P., Letofsky-Papst, I., Wewerka, K., Kothleitner, G., Krenn, H. & Würschum, R., 2009.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Is Marcus Theory applicable to Electron Transfer Reactions in Ionic Liquids

Grampp, G., Landgraf, S. & Siraj, N., 8 Jun 2009.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Metals with tunable properties based on porous nanostructures

Traußnig, T., Rumpf, K., Granitzer, P., Landgraf, S., Krenn, H. & Würschum, R., 2009.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Rehm-Weller and Stern-Volmer experiments in the light of remote electron transfer

Landgraf, S., Rosspeintner, A., Kattnig, D. & Grampp, G., 10 Mar 2009.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2008

Experimental Observations of Diffusional Effects on Photoinduced Electron Transfer Reactions

Landgraf, S., Rosspeintner, A., Kattnig, D., Angulo Nunez, G. M., Cuetos Menéndez, A. & Grampp, G., 28 Jul 2008.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

"Magnetic field effects in exciplex forming systems revisited

Grampp, G., Rosspeintner, A., Kattnig, D. & Landgraf, S., 9 Jan 2008.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Magnetic Field Effects in Photochemistry

Grampp, G., Rosspeintner, A., Kattnig, D. & Landgraf, S., 14 Jan 2008.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Magnetic field effects on exciplexes

Grampp, G., Rosspeintner, A., Kattnig, D. & Landgraf, S., 16 Apr 2008.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Photomodulated Voltammetry

Grampp, G., Landgraf, S. & Muresanu, C., 17 Jan 2008.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Rehm-Weller and Stern-Volmer experiments in the light of remote electron transfer

Landgraf, S., Rosspeintner, A., Kattnig, D., Grampp, G., Angulo Nunez, G. M. & Cuetos, A., 31 Mar 2008.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

The Photophysical Properties of Flavin Derivatives

Onitsch, C., Landgraf, S. & Grampp, G., 4 Jun 2008.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2007

Anwendung der Marcus-Theorie auf den Elektronentransfer von Ru(II)- und Os(II)-Komplexen auf Fe(III)-Verbindungen in wässrigen und nichtwässrigen Lösungsmitteln

Landgraf, S., Leesakul, N. & Grampp, G., 14 Mar 2007.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Photoinduced Electron Transfer of Riboflavin with various Amino Acids as Quencher as studied by Modulated Fluorescence Spectroscopy

Onitsch, C., Landgraf, S. & Grampp, G., 28 Nov 2007.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Rehm-Weller and Stern-Volmer experiments in the light of remote electron transfer

Landgraf, S., Rosspeintner, A., Kattnig, D., Grampp, G., Angulo Nunez, G. M. & Cuetos, A., 29 Jul 2007.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Rehm-Weller and Stern-Volmer experiments in the light of remote electron transfer

Rosspeintner, A., Kattnig, D., Landgraf, S., Grampp, G., Angulo Nunez, G. M. & Cuetos, A., 17 May 2007.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Spektroskopie und chemische Kinetik an der TU Graz

Grampp, G. & Landgraf, S., 19 Oct 2007.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Tuneable electrical resistance of nanocrystalline platinum

Sagmeister, M., Brossmann, U., Landgraf, S. & Würschum, R., 29 Mar 2007.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Tuneable electrical resistance of nanocrystalline platinum

Sagmeister, M., Brossmann, U., Landgraf, S. & Würschum, R., 2007, p. 539-539.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2006

Kinetic evidence of the long range energy transfer in fluorescence quenching of rubrene by organic radicals

Lukzen, N. N., Justinek, M., Landgraf, S. & Grampp, G., 7 Mar 2006.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Photomodulated voltammetry investigations on the benzyl radical

Muresanu, C., Landgraf, S. & Grampp, G., 5 Mar 2006.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Photomodulated voltammetry investigations on the benzyl radical

Landgraf, S., Muresanu, C. & Grampp, G., 27 May 2006.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Photophysical and photochemical properties of 2,6-dicyano-tetramethyl-p-phenylenediamine.PET at high quencher concentrations and various viscosities

Grampp, G., Rosspeintner, A., Kattnig, D., Angulo Nunez, G. M., Weiglhofer, M. & Landgraf, S., 9 Jan 2006.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Stern-Volmer-Auftragungen bei hohen Löscherkonzentrationen und hohen Viskositäten: Vergleich Experiment und Theorie

Landgraf, S., Rosspeintner, A., Kattnig, D., Grampp, G. & Angulo Nunez, G. M., 19 Mar 2006.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Stern-Volmer plots at high quencher concentrations: viscosity dependence

Rosspeintner, A., Kattnig, D., Angulo Nunez, G. M., Landgraf, S. & Grampp, G., 8 Mar 2006.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Tuneable properties of nanoscale metals

Sagmeister, M., Brossmann, U., Landgraf, S. & Würschum, R., 19 Sep 2006.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Viscosity Dependence of Stern-volmer plots

Angulo Nunez, G. M., Rosspeintner, A., Kattnig, D., Grampp, G., Landgraf, S. & Cuetos Menendez, A., 13 Aug 2006.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2005

Cyanosubstituierte Paraphenylendiamine - Moleküle mit ungewöhnlichen chemischen und elektronischen Eigenschaften

Landgraf, S., Rosspeintner, A., Grilj, J., Weiglhofer, M., Angulo Nunez, G. M. & Grampp, G., 29 Mar 2005.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Luminescence quenching of tris(2,2'-bipyridine) ruthenium(II) chloride by iron(III) in water and n-alcohols

Landgraf, S., Leesakul, N. & Grampp, G., 19 Sep 2005.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Stern-Volmer plots at high quencher concentrations: viscosity dependence

Rosspeintner, A., Kattnig, D., Angulo Nunez, G. M., Landgraf, S. & Grampp, G., 21 Sep 2005.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2004

Electrically tunable resistance of a metal

Sagmeister, M., Brossmann, U., Landgraf, S., Kramer, D. & Würschum, R., 2004, p. 38-38.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

ESR- and MARY spectroscopy used for measuring electron self exchange rates. Comparison between the two techniques

Grampp, G., Hore, P. J., Justinek, M. & Landgraf, S., 23 Nov 2004.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Fluorescence Quenching Kinetics at high quencher concentrations: Viscosity Dependence

Rosspeintner, A., Kattnig, D., Angulo Nunez, G. M., Landgraf, S. & Grampp, G., 22 Aug 2004.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Fluorescence Quenching Kinetics at high quencher concentrations: Viscosity Dependence

Rosspeintner, A., Kattnig, D., Angulo Nunez, G. M., Landgraf, S. & Grampp, G., 5 Sep 2004.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Magnetic Field Effects on Fluorescence: Kinetic Applications of MARY-Spectroscopy

Grampp, G., Hore, P. J., Justinek, M., Landgraf, S. & Lukzen, N. N., 6 Sep 2004.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

MARY Spectroscopy: Magnetic Field Effects on Fluorescence Intensities used for Measuring Electron Transfer Rates

Grampp, G., Hore, P. J., Justinek, M., Landgraf, S. & Lukzen, N. N., 9 Mar 2004.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

MARY Spectroscopy: Magnetic Field Effects on Fluorescence Intensities used for Measuring Electron Transfer Rates

Grampp, G., Hore, P. J., Justinek, M., Landgraf, S. & Lukzen, N. N., 31 Mar 2004.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

MARY Spectroscopy: Magnetic Field Effects on Fluorescence Intensities used for Measuring Electron Transfer Rates

Grampp, G., Landgraf, S., Justinek, M., Hore, P. J. & Lukzen, N. N., 25 Aug 2004.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Photophysics, photochemistry and PET of 2,6-dicyano-N,N,N',N'-tetramethyl-p-phenylenediamine: A highly fluorescing p-phenylenediamine derivative

Grampp, G., Angulo Nunez, G. M., Rosspeintner, A., Landgraf, S. & Weiglhofer, M., 8 Mar 2004.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Photophysics and PET of 2,6-dicyano-N,N,N',N'-tetramethyl-p-phenylenediamine: A highly fluorescing p-phenylenediamine derivative

Rosspeintner, A., Angulo Nunez, G. M., Weiglhofer, M., Landgraf, S. & Grampp, G., 3 Jun 2004.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Solvent Influence on the reduction of photochemically generated cis - azobenzene

Muresanu, C., Landgraf, S. & Grampp, G., 24 Oct 2004.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2003

Application of Marcus Cross-relation to Mixed Inorganic-organic Redox Couples

Landgraf, S., Grampp, G., Sabou, D. & Dvoranova, D., 17 Mar 2003.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch