Prof. Dr. rer. nat. Stefan Kontermann (HS RheinMain)

Prof. Dr. rer. nat. Stefan Kontermann (Hochschule RheinMain)

  • 1999-2004 Physikstudium an der UniversitA�t Karlsruhe
  • 2002-2003 Physikstudium an der University of Adelaide (Australien)
  • 2005-2009 Promotion am Fraunhofer Institut fA?r Solare Energiesysteme, Freiburg und UniversitA�t Konstanz
  • 2007 Forschungsaufenthalt an der University of New South Wales, Sydney, Australien
  • 2008 Forschungsaufenthalt am Lawrence Berkeley National Laboratory, Berkeley, California, USA
  • 2010-2014 Forschungsgruppenleiter am Fraunhofer Heinrich Hertz Institut, Goslar / Berlin
  • seit 2015 Professor fA?r Optik und Photonik an der Hochschule RheinMain
  • a�?


    • S. Kontermann, A. Gabler, A. L. Baumann, and W. Schade, a�?Femtosecond laser pulse ablation of semiconductors and metals,a�?in “Laser ablation: Fundamentals, Methods and applications”, editors: W. ViA�l and S. Wieneke,a�?Nova Science Publishers, Inc., Hauppage, New York. (accepted for publication 2014).

    • Patente

    • S. Kontermann, C. Winter und W. Schade, a�zLichtverteiler, ein System umfassend einen Lichtverteiler und zumindest eine LED-Leuchte sowie ein Verfahren zur Herstellung eines Lichtverteilersa�?, Deutsche Patentanmeldung, 6. Oktober 2014. Epoline Nr. 800364801, Amtliches Aktenzeichen: 102014220141.1
    • W. Schade, A. Gabler, und S. Kontermann, WA�rmeA?bertrager und Verfahren zu dessen Herstellung und Verwendung, Deutsche Patentanmeldung, 25. Juli 2013. Epoline Nr. 800270304, Amtliches Aktenzeichen: 102013214518.7
    • REACH und Normung: GefA�rdert durch das DIN Deutsches Institut fuI?r Normung e.V. Laufzeit: 10/2009
      a�� 04/2010 a�� Projektvolumen: 21.000,- a��

    • Artikel in referierten Zeitschriften

    • T. Gimpel, K. M. Guenther, S. Kontermann, and W. Schade,a�?Current-voltage characteristic and sheet resistances after annealing of femtosecond laser processed sulfur emitters for silicon solar cells,a�?accepted for publication in Applied Physics Letters (2014).
    • F. Fattahi Comjani, U. Willer, S.Kontermann, and Wolfgang Schade,a�?Influence of the metal-semiconductor contact by energy harvesting from vertically aligned ZnO nanowires,a�?Applied Physics Letters 104 (2014) 143113, doi: 10.1063/1.4871376.
    • K. M. Guenther, T. Gimpel, J. W. Tomm, S. Winter, A. Ruibys, S. Kontermann, and W. Schade,a�?Excess carrier generation in femtosecond-laser processed sulfur doped silicon by means of sub-bandgap illumination,a�?Applied Physics Letters 104 (2014) 042107; doi: 10.1063/1.4863439.
    • F. Fattahi Comjani, U. Willer, S.Kontermann, and Wolfgang Schade,a�?Modelling the growth of ZnO nanocombs based on the piezoelectric effect,a�?AIP Advances 3 (2013) 102102, doi: 10.1063/1.4824616.
    • P. Saring, A. L. Baumann, B. Schlieper-Ludewig, S.Kontermann, W. Schade, and M. Seibt,a�?Electronic and structural properties of femtosecond laser sulfur hyperdoped silicon pn-junctions,a�?Applied Physics Letters 103 (2013) 061904, doi: 10.1063/1.4817726.
    • F. Fattahi Comjani, U. Willer, S.Kontermann, and Wolfgang Schade,a�?Synthesis of ZnO nanowalls and nanocombs by vapor-liquid-solid method,a�?Physica Status Solidi A, doi: 10.1002/pssa.201329242 (2013).
    • K. M. Guenther, T. Gimpel, S. Kontermann, and W. Schade,a�?Investigation of the sulfur doping profile in femtosecond-laser processed silicon,a�?Applied Physics Letters 102, 202104 (2013); doi: 10.1063/1.4807679.
    • T. Gimpel, I. HA�ger, F. Falk, W. Schade, and S. Kontermann,a�?Electron backscatter diffraction on femtosecond laser sulfur hyperdoped silicona�?Applied Physics Letters 101 (2012) 111911, doi: 10.1063/1.4752454.
    • S. Kontermann, A. Ruf, R. Preu, and G. Willeke,a�?Simulating the interface morphology of silver thick film contacts on n-type Si-(100) and Si-(111),a�?Applied Physics Letters 101 (2012) 121907, doi: 10.1063/1.4752228.
    • K. M. Guenther, H. Witte, A. Krost, S. Kontermann, and W. Schade,a�?Extracting accurate capacitance voltage curves from impedance spectroscopy,a�?Applied Physics Letters 100 (2012) 042101, doi10.1063/1.3679380.
    • S. Kontermann, R. Preu, and G. Willeke,a�?Calculating the specific contact resistance from the nanostructure at the interface of silver thick film contacts on n-type silicon,a�?Applied Physics Letters 99 (2011) 111905, doi :10.1063/1.36353831.
    • S. Kontermann, J. Bauer, and G. Willeke,a�?Electronic properties of nanoscale silver crystals at the interface of silver thick film contacts on n-type silicon,a�?Applied Physics Letters 97 (2010) 191910, doi: 10.1063/1.3508950.
    • S. Kontermann, M. HA�rteis, A. Ruf, S. Feo, and R. Preu,a�?Spatially resolved contact resistance measurements on crystalline silicon solar cells,a�?Physica Status Solidi A 206 (2009) 2866-2871, doi:10.1002/pssa.200925077.
    • S. Kontermann, A.Wolf, D. Reinwand, A. Grohe, D. Biro, and R. Preu,a�?Optimizing annealing steps for crystalline silicon solar cells with screen printed front side metallization and an oxide passivated rear side with local contacts,a�?Progress in Potovoltaics 17 (2009) 554-566, doi: 10.1002/pip.919.
    • S. Kontermann, M. HA�rteis, M. Kasemann, A. Grohe, R. Preu, E. Pink, and T. Trupke,a�?Physical understanding of the behavior of silver thick film contacts under annealing conditions,a�?Solar Energy Materials and Solar Cells 93 (2009) 1630-1635, doi:10.1016/j.solmat.2009.04.019.

    • KonferenzbeitrA�ge mit referiertem und verA�ffentlichtem Artikel

    • S. Kontermann, W. Schippers, A. L. Baumann, and W.Schade,a�?Experimental realization of adaptive femtosecond laser pulse shaping for optimized laser microstructuring of materials,a�?Proceedings of the European MRS Spring Meeting, Lille, France (2014).
    • T. Gimpel, K.-M. Guenther, S. Kontermann, and W. Schade,a�?Experimental Implementation of a silicon wafer tandem solar cell,a�?Proceedings of the 4th Silicon PV, ‘s Hertogenbosch, Netherlands (2014).a�?[accepted for publication in Energy Procedia]
    • K.-M. Guenther, T. Gimpel, W. Schade, and S. Kontermann,a�?Using Impedance Spectroscopy for Enhanced Capacitance-Voltage Measurements on Solar Cells with Multiple Space Charge Regions and a Structured Surface,a�?Proceedings of the 39th IEEE PVSC, Tampa, Florida, USA, p. in print (2013).a�?[Best Oral Presentation Award winner]
    • P. Saring, A. L. Baumann, S. Kontermann, W. Schade, and M. Seibt,a�?Characterization of electrical contacts on silicon (100) after ablation and sulfur doping by femtosecond laser pulses,a�?Proceedings of Gettering and Defect Engineering in Semiconductor Technology (GaDEST), Oxford, UK, (2013), published in Solid State Phenomena Vols. 205-206 (2014) pp 358-363, doi:10.4028/
    • S. Kontermann, A. L. Baumann, T. Gimpel, K.M. Guenther, A. Ruibys, Ulrike Willer, and W. Schade,a�? Structural and optical property tailoring of black silicon with fs-laser pulses,a�?MRS Proceedings of the MRS Fall Meeting, Boston, Massachusetts, USA 1405, mrsf11-1405-y03-03, doi:10.1557/opl.2012.20 (2012). [Invited Talk]
    • S. Kontermann, T. Gimpel, A. L. Baumann, K.-M. Guenther, and W. Schade,a�?Laser Processed Black Silicon for Photovoltaic Applications,a�?Energy Procedia 27 (2012) 390-395, doi: 10.1016/j.egypro.2012.07.082.
    • K.-M. Guenther, A. L. Baumann, T. Gimpel, S. Kontermann, and W. Schade, Tandem solar cell concept using black silicon for enhanced Infrared absorption, Energy Procedia 27 (2012) 555-560, doi: 10.1016/j.egypro.2012.07.109.
    • A. L. Baumann, T. Gimpel, K.-M. Guenther, P. Saring, M. Seibt, S. Kontermann, and W. Schade, Tailoring the absorption properties of Black Silicon, Energy Procedia 27 (2012) 480-484, doi: 10.1016/j.egypro.2012.07.097.
    • S. Kontermann, A. Ruf, and R. Preu, Atomistic Simulations of the Silicon Surface Structure at the Interface of Silver Thick Film Contacts on n-Type Silicon, MRS Proceedings of the MRS Spring Meeting, San Francisco, California, USA, 1323, mrss11-1323-c03-17 doi:10.1557/opl.2011.821 (2011).
    • T. Gimpel, K.-M. GA?nther, S. Kontermann, and W. Schade, Study on contact materials for sulfur hyperdoped black silicon, Proceedings of the 37th IEEE PVSC, Seattle, Washington, USA, 002061-002065, doi: 10.1109/PVSC.2011.6186358 (2011).
    • S. Kontermann, A. Ruf, and R. Preu, Quantitative comparison of simulated and experimental silver crystal formation at the interface of silver thick film contacts on n-type silicon, Energy Procedia 8 (2011) 455-460, doi: 10.1016/j.egypro.2011.06.165.
    • S. Kontermann, A. Grohe, and R. Preu, Detailed analysis of annealing silver front side contacts on silicon solar cells, in Proceedings of the 33rd IEEE Photovoltaic Specialist Conference, San Diego, California, USA (2008).
    • M. Kasemann, W. Kwapil, M.C. Schubert, H. Habenicht, B. Walter, M. The, S. Kontermann, et al., Spatially resolved silicon solar cell characterization using infrared imaging methods, in Proceedings of the 33rd IEEE Photovoltaic Specialist Conference, San Diego, California, USA (2008). [Invited Talk]

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    • S. Kontermann, Innovative LED Beleuchtung,a�?Hannover Messe, ICLEI Metropolitian Solutions, (2014).
    • S. Kontermann, Siliziumfunktionalisierung mit Femtosekunden Laserpulsen,a�?Laser Laboratorium GA�ttingen, 14. PhotonicNet Symposium: Funktionalisierte OberflA�chen, Laser-OberflA�chenbearbeitung in der Mikroelektronik (2014).
    • S. Kontermann, Adaptive Laserpulsformung zur Materialfunktionalisierung mit Femtosekunden Laserpulsen, Laser Zentrum Hannover, 13. PhotonicNet Symposium: Funktionalisierte OberflA�chen,(2013).
    • S. Kontermann, Femtosecond Laser Processing of functional nanostructures and photonic devices, UniversitA�t Kassel, Institut fA?r Nanostrukturtechnologie und Analytik (INA), Prof. H. Hillmer (2013).
    • S. Kontermann, MaAYgeschneiderte Materialien mit maAYgeschneiderten Lichtpulsen,a�?BMBF Symposium zur NachwuchsfA�rderung NanoMatFutur im BMBF Rahmenprogramm a�zWerkstoffinnovationen fA?r Industrie und Gesellschaft – WINGa�?, Bonn (2013).
    • S. Kontermann, Hybridsolarzellen basierend auf Zinkoxid-NanodrA�hten,a�?UniversitA�t Bayreuth, Prof. H.W. Schmidt (2012).
    • S. Kontermann, Femtosekunden Laser prozessiertes Schwarzes Silizium,a�?International Solar Energy Research Center (ISC) Konstanz (2012).
    • S. Kontermann, Photolumineszens- und REM-Charakterisierung von Silber-Silizium GrenzflA�chen auf Solarzellen,a�?UniversitA�t GA�ttingen, Prof. C. Ropers (2010).
    • S. Kontermann, Characterization and Modeling of Contacting Crystalline Silicon Solar Cells, Massachusetts Institute of Technology (MIT), Prof. T. Buonassisi (2009)

    • Artikel in nicht referierten Zeitschriften

    • >S. Kontermann, Solarzellen auf Schwarzem Silizium a�� Wirkungsgrad durch neue Technik verdoppelt, Laser Magazin 02/2012 (2012) 12.
    • S. Kontermann, Record Results for Solar Cells on Femtosecond Laser Pulse Processed Black Silicon, Inter PV 04/2012 (2012) 82-84.
    • S. Kontermann, Solarzellen aus Schwarzem Silizium, EP Photovoltaik 3/4 2012 (2012) 39-42.

    > 20 KonferenzbeitrA�ge ohne Artikel (Vortrag oder Poster)

    Tel. +49 (0) 6142 898-4546
    Fax: +49 (0) 6142 898-4528
    Hochschule RheinMain
    Professur fA?r Technische Optik und Photonik
    Fachbereich Ingenieurwissenschaften
    Am BrA?ckweg 26, 65428 RA?sselsheim