AG PHOTONIK-PUBLICATIONS
List of publications by Prof. Dr. Stefan Kontermann
Books and book contributions
2. S. Kontermann, A. L. Baumann, T. Gimpel, A. Gabler, W. Schippers, P. Saring, M. Seibt and W. Schade
Tailored Material Functionalization by Shaped Femtosecond Laser Pulses,
in "Laser ablation: Fundamentals, Methods and applications", editors: W. Viöl and S. Wieneke, Nova Science Publishers, Inc., Hauppage, New York. (2015) 63-82, ISBN: 978-1-63482-622-8.
1. S. Kontermann
Characterization and Modeling of Contacting Crystalline Silicon Solar Cells,
Dissertation, Universität Konstanz, 2009, Verlag Dr. Hut, München, ISBN: 978-3-86853-170-1.
Patents
2. W. Schade, A. Gabler, und S. Kontermann
Wärmeübertrager und Verfahren zu dessen Herstellung und Verwendung, Deutsche Patentanmeldung, 25. Juli 2013. Epoline Nr. 800270304, Amtliches Aktenzeichen: 102013214518.7
1. S. Kontermann, W. Schade, C. Winter
Ein System umfassend einen Lichtverteiler und zumindest eine LED-Leuchte sowie ein Verfahren zur Herstellung eines Lichtverteilers, Deutsche Patentanmeldung vom 6.Oktober 2014, Aktenzeichen DE102014220141.1
Articles in peer-reviewed magazines
27. S. Schäfer, X. Liu, P. Mc Kearney, S. Paulus, B. Radfar, V. Vähänissi, H. Savin and S. Kontermann,
Effective carrier lifetime in ultrashort pulse laser hyperdoped silicon: Sulfur concentration dependence and practical limitations,
Physica Status Solidi A, 2400132 (2024), doi: 10.1002/pssa.202400132
26. S. Paulus, S. Schäfer, P. Mc Kearney, T. Niemeyer, M. Seibt, S. Kontermann,
Defect engineering for improved thermal stability of sulfur hyperdoped silicon,
Accepted for publication in Materials Science in Semiconductor Processing (2024)
25. P. Mc Kearney, S. Schäfer, X. Liu, S. Paulus, I. Lebershausen, B. Radfar, V. Vähänissi, H. Savin, and S. Kontermann,
Impact of Pulse Duration on the Properties of Laser Hyperdoped Black Silicon,
Advanced Photonics Research (2024) 2300281, 10.1002/adpr.202300281
24. P. Mc Kearney, I. Lebershausen, S. Schäfer, S. Paulus, and S. Kontermann,
Improving the Processing Efficiency of Femtosecond Laser Sulfur Hyperdoping of Silicon by Diffractive Beam Shaping,
JLMN-Journal of Laser Micro/Nanoengineering 1 (2023), doi: 10.2961/jlmn.2023.02.2003
23. P. Mc Kearney, S. Schäfer, S. Paulus, M. Roser, F. Piermaier, I. Lebershausen, and S. Kontermann,
Ultrafast laser heating for controlling the optoelectronic properties of sulfur hyperdoped black silicon,
Journal of Applied Physics 133 (2023) 013102, doi: 10.1063/5.0130743
22. S. Paulus, M. Roser, P. Mc Kearney, M. Will, S. Schäfer and S. Kontermann,
Classification of different post-hyperdoping treatments for enhanced crystallinity of IR-sensitive
femtosecond-laser processed silicon,
Semiconductor Science and Technology 38 (2023) 024002, doi: 10.1088/1361-6641/acad93
21. S. Schäfer, P. Mc Kearney, S. Paulus, and S. Kontermann,
Analytical model for extracting optical properties from absorptance of femtosecond-laser structured hyperdoped silicon,
Journal of Applied Physics 131 (2022) 243102, doi: 10.1063/5.0094177
20. D. Müllers, J. Kuhl, and S. Kontermann,
Nonparaxial optical transfer function for arbitrary illumination in partially coherent imaging systems and the oblique source application,
Journal of the Optical Society A, 39 (2022) 744-758; doi: 10.1364/JOSAA.452462
19. S. Paulus, P. Mc Kearney, F. Völklein, and S. Kontermann,
Obtaining simultaneously high crystallinity and sub-bandgap absorption in femtosecond laser hyperdoped black silicon using ion beam etching,
AIP Advances 11 (2021) 075014; doi: /10.1063/5.0044678
18. J. Sickel, A. Ahrens, A. L. Baumann, W. Schade, S. Kontermann, and M. Seibt
Microscopic electronic and structural analysis of femtosecond laser sulfur hyperdoped silicon,
Physica Status Solidi A, 1700264 (2017), doi: 10.1002/pssa.201700264.
17. M. Otto, M. Algasinger, H. Branz, B. Gesemann, T. Gimpel, K. Füchsel, T. Käsebier, S. Kontermann, S. Koynov, X. Li, V. Naumann, J. Oh, A. N. Sprafke, J. Ziegler, M. Zilk, and R. B. Wehrspohn
Black Silicon Photovoltaics,
Advanced Optical Materials 3 (2015) 147-164, doi: 10.1002/adom.201400395.
16. T. Gimpel, K. M. Guenther, S. Kontermann, and W. Schade
Current-voltage characteristic and sheet resistances after annealing of femtosecond laser processed sulfur emitters for silicon solar cells,
Applied Physics Letters 105 (2014) 053504, doi: 10.1063/1.4892474.
15. K. M. Guenther, T. Gimpel, J. W. Tomm, S. Winter, A. Ruibys, S. Kontermann, and W. Schade
Excess carrier generation in femtosecond-laser processed sulfur doped silicon by means of sub-bandgap illumination,
Applied Physics Letters 104 (2014) 042107; doi: 10.1063/1.4863439.
14. F. Fattahi Comjani, U. Willer, S.Kontermann, and Wolfgang Schade
Influence of the metal-semiconductor contact by energy harvesting from vertically aligned ZnO nanowires,
Applied Physics Letters 104 (2014) 143113, doi: 10.1063/1.4871376.
13. P. Saring, A. L. Baumann, B. Schlieper-Ludewig, S.Kontermann, W. Schade, and M. Seibt
Electronic and structural properties of femtosecond laser sulfur hyperdoped silicon pn-junctions,
Applied Physics Letters 103 (2013) 061904, doi: 10.1063/1.4817726.
12. K. M. Guenther, T. Gimpel, S. Kontermann, and W. Schade
Investigation of the sulfur doping profile in femtosecond-laser processed silicon,
Applied Physics Letters 102, 202104 (2013); doi: 10.1063/1.4807679.
11. F. Fattahi Comjani, U. Willer, S.Kontermann, and Wolfgang Schade
Modelling the growth of ZnO nanocombs based on the piezoelectric effect,
AIP Advances 3 (2013) 102102, doi: 10.1063/1.4824616.
10. F. Fattahi Comjani, U. Willer, S.Kontermann, and Wolfgang Schade
Synthesis of ZnO nanowalls and nanocombs by vapor-liquid-solid method,
Physica Status Solidi A, doi: 10.1002/pssa.201329242 (2013).
9. T. Gimpel, I. Höger, F. Falk, W. Schade, and S. Kontermann
Electron backscatter diffraction on femtosecond laser sulfur hyperdoped silicon,
Applied Physics Letters 101 (2012) 111911, doi: 10.1063/1.4752454.
8. S. Kontermann, A. Ruf, R. Preu, and G. Willeke
Simulating the interface morphology of silver thick film contacts on n-type Si-(100) and Si-(111),
Applied Physics Letters 101 (2012) 121907, doi: 10.1063/1.4752228.
7. K. M. Guenther, H. Witte, A. Krost, S. Kontermann, and W. Schade
Extracting accurate capacitance voltage curves from impedance spectroscopy,
Applied Physics Letters 100 (2012) 042101, doi10.1063/1.3679380.
6. S. Kontermann, R. Preu, and G. Willeke
Calculating the specific contact resistance from the nanostructure at the interface of silver thick film contacts on n-type silicon,
Applied Physics Letters 99 (2011) 111905, doi :10.1063/1.36353831.
5. S. Kontermann, J. Bauer, and G. Willeke
Electronic properties of nanoscale silver crystals at the interface of silver thick film contacts on n-type silicon,
Applied Physics Letters 97 (2010) 191910, doi: 10.1063/1.3508950.
4. S. Kontermann, M. Hörteis, A. Ruf, S. Feo, and R. Preu
Spatially resolved contact resistance measurements on crystalline silicon solar cells,
Physica Status Solidi A 206 (2009) 2866-2871, doi:10.1002/pssa.200925077.
3. S. Kontermann, A.Wolf, D. Reinwand, A. Grohe, D. Biro, and R. Preu
Optimizing annealing steps for crystalline silicon solar cells with screen printed front side metallization and an oxide passivated rear side with local contacts,
Progress in Potovoltaics 17 (2009) 554-566, doi: 10.1002/pip.919.
2. S. Kontermann, M. Hörteis, M. Kasemann, A. Grohe, R. Preu, E. Pink, and T. Trupke
Physical understanding of the behavior of silver thick film contacts under annealing conditions,
Solar Energy Materials and Solar Cells 93 (2009) 1630-1635, doi:10.1016/j.solmat.2009.04.019.
1. G. Goll, T. Brugger, M. Marz, S. Kontermann, H.v. Löhneysen, T. Sayles, and M.B. Maple
Point Contact spectroscopy on heavy-fermion superconductors,
Physica B 378-380 (2006) 665-668.
Conference contributions with peer-reviewed and published articles
19. J. Kuhl, D. Müllers, I. Lebershausen, S. Kontermann,
Quantitative phase measurement of direct laser written waveguides using differential phase contrast,
Proceedings 2021 der 122. Jahrestagung der Deutschen Gesellschaft für Angewandte Optik, Bremen, Germany (2021), ISSN: 1614-8436
18. C. Warneke, J. Kuhl, I. Lebershausen, F. Völklein, and S. Kontermann,
Herstellung von Mikrogittern in optischen Gläsern mittels Ultrakurzpulslaserablation,
Proceedings 2019 der 120. Jahrestagung der Deutschen Gesellschaft für Angewandte Optik, Darmstadt, Germany (2019), ISSN: 1614-8436
17. T. Gimpel, K.-M. Guenther, S. Kontermann, and W. Schade
Experimental Implementation of a silicon wafer tandem solar cell,
Proceedings of the 4th Silicon PV, 's Hertogenbosch, Netherlands (2014).
Energy Procedia 55 (2014 ) 186-189, doi: 10.1016/j.egypro.2014.08.114
16. K.-M. Guenther, T. Gimpel, W. Schade, and S. Kontermann
Using Impedance Spectroscopy for Enhanced Capacitance-Voltage Measurements on Solar Cells with Multiple Space Charge Regions and a Structured Surface,
Proceedings of the 39th IEEE PVSC, Tampa, Florida, USA, p. in print (2013).
[Best Oral Presentation Award winner]
15. P. Saring, A. L. Baumann, S. Kontermann, W. Schade, and M. Seibt
Characterization of electrical contacts on silicon (100) after ablation and sulfur doping by femtosecond laser pulses,
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/www.scientific.net/SSP.205-206.358
14. S. Kontermann, A. L. Baumann, T. Gimpel, K.M. Guenther, A. Ruibys, Ulrike Willer, and W. Schade
Structural and optical property tailoring of black silicon with fs-laser pulses,
MRS Proceedings of the MRS Fall Meeting, Boston, Massachusetts, USA 1405, mrsf11-1405-y03-03, doi:10.1557/opl.2012.20 (2012). [Invited Talk]
13. S. Kontermann, T. Gimpel, A. L. Baumann, K.-M. Guenther, and W. Schade
Laser Processed Black Silicon for Photovoltaic Applications,
Energy Procedia 27 (2012) 390-395, doi: 10.1016/j.egypro.2012.07.082.
12. 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.
11. 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.
10. 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).
9. T. Gimpel, K.-M. Günther, 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).
8. J. Waltermann, K.-M. Günther, S. Kontermann, S.R. Waldvogel, and W. Schade
Electrical and photoelectrical measurements on ZnO-Nanowires coated with PEDOT:PSS for Dye-Sensitized Solar Cells,
MRS Proceedings, 1303, mrsf10-1303-y06-21, doi:10.1557/opl.2011.499 (2011).
7. 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.
6. 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).
5. 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]
4. S. Kontermann, A. Grohe, D. Erath, R. Preu, and G. Willeke
Investigations on the influence of different annealing steps on silicon solar cells with silver thick filmcontacts,
in Proceedings of the 22nd European Photovoltaic Solar Energy Conference, Milan, Italy (2007), 1556-1559.
3. E. Pink, T. Trupke, R.A. Bardos, M.D. Abbott, Y. Augarten, and S. Kontermann
Fast series resistance imaging using photoluminescence,
in Proceedings of the 22ndEuropean Photovoltaic Solar Energy Conference, Milan, Italy (2007), 381-385.
[Best Visual Presentation Award]
2. T. Trupke, R.A. Bardos, M.D. Abbott, P. Würfel, E. Pink, Y. Augarten, F.W. Chen, K. Fisher, J.E. Cotter, M. Kasemann, M. Rüdiger, S. Kontermann, et al.,
Progress withluminescence imaging for the characterisation of silicon wafers and solar cells,
in Proceedings of the 22nd European Photovoltaic Solar Energy Conference, Milan, Italy (2007), 22-31. [Invited Talk]
1. S. Kontermann, G. Emanuel, J. Benick, R. Preu, and G. Willeke
Characterisation of silver thick film contact formation on textured monocrystalline silicon solar cells, in Proceedings of the 21st European Photovoltaic Solar Energy Conference, Dresden,Germany (2006), 613-616.
Articles in non peer-reviewed magazines
3. S. Kontermann,
Solarzellen auf Schwarzem Silizium – Wirkungsgrad durch neue Technik verdoppelt,
Laser Magazin 02/2012 (2012) 12.
2. S. Kontermann,
Record Results for Solar Cells on Femtosecond Laser Pulse Processed Black Silicon,
Inter PV 04/2012 (2012) 82-84.
1. S. Kontermann,
Solarzellen aus Schwarzem Silizium,
EP Photovoltaik 3/4 2012 (2012) 39-42.
Invited talks
19. S. Kontermann, Photonische Mikrosysteme,
FH Aachen, Jülich (März 2019).
18. S. Kontermann, Photonic Microsystems,
Laserzentrum FH Münster, Münster (November 2018).
17. S. Kontermann, Femtosekundenlaser-hyperdotiertes Schwarzes Silizium für photonische Infrarotanwendungen,
Optence Netzwerktag, Wetzlar (November 2018).
16. S. Kontermann, Femtosecond laser hyperdoped black silicon for infrared optics,
8. Wetzlarer Herbsttagung, Wetzlar, September 2018.
15. S. Kontermann, Femtosekundenlaser und deren Bedeutung für die Photonikbranche in Deutschland,
Optatek Messe, Eröffnungspressekonferenz, Frankfurt, Juni 2018.
14. S. Kontermann, Femtosekunden-Laseranwendungen in der Materialbearbeitung,
Optence e.V., Arbeitskreis Optiken für Laser, Rüsselsheim, April 2018.
13. S. Kontermann, Lasertechnik in Forschung und Lehre an der Hochschule RheinMain,
Hobit Messe, Darmstadt, Januar 2016.
12. S. Kontermann, Innovative LED Beleuchtung,
Hannover Messe, ICLEI Metropolitian Solutions, Hannover 2014.
11. S. Kontermann, Siliziumfunktionalisierung mit Femtosekunden Laserpulsen,
Laser Laboratorium Göttingen, 14. PhotonicNet Symposium: Funktionalisierte Oberflächen, Laser-Oberflächenbearbeitung in der Mikroelektronik, Göttingen 2014.
10. S. Kontermann, Adaptive Laserpulsformung zur Materialfunktionalisieru,ng mit Femtosekunden Laserpulsen, Laser Zentrum Hannover, 13. PhotonicNet Symposium: Funktionalisierte Oberflächen, Hannover 2013.
9. S. Kontermann, Femtosecond Laser Processing of functional nanostructures and photonic devices, Universität Kassel, Institut für Nanostrukturtechnologie und Analytik (INA), Arbeitsgruppe von Prof. H. Hillmer, Kassel, 2013.
8. S. Kontermann, Maßgeschneiderte Materialien mit maßgeschneiderten Lichtpulsen,
BMBF Symposium zur Nachwuchsförderung NanoMatFutur im BMBF Rahmenprogramm „Werkstoffinnovationen für Industrie und Gesellschaft - WING“, Bonn 2013.
7. S. Kontermann, Femtosekunden-Laserprozesse für die Photovoltaik,
Institut für Solarenergieforschung Hameln (ISFH), Emmerthal, 2013.
6. S. Kontermann, Hybridsolarzellen basierend auf Zinkoxid-Nanodrähten,
Universität Bayreuth, Arbeitsgruppe Prof. H:W. Schmidt, Bayreuth 2012.
5. S. Kontermann, Femtosekunden Laser prozessiertes Schwarzes Silizium,
International Solar Energy Research Center (ISC), Konstanz 2012.
4. S. Kontermann, Photolumineszens- und REM-Charakterisierung von Silber-Silizium Grenzflächen auf Solarzellen,
Universität Göttingen, Arbeitsgruppe von Prof. C. Ropers, Göttingen 2010.
3. S. Kontermann, Einfluss von mikrostrukturellen Phänomenen auf die elektrische Leitfähigkeit der Grenzfläche von Silber-Dickfilm-Kontakten auf Silizium,
Universität Konstanz, Arbeitsgruppe von Prof. E. Scheer, Konstanz 2010.
2. S. Kontermann, Grenzflächeneffekte an Silber-Dickfilm-Kontakten auf Silizium Solarzellen,
Technische Universität Clausthal, Arbeitsgruppe von Prof. W. Schade 2010.
1. S. Kontermann, Characterization and Modeling of Contacting Crystalline Silicon Solar Cells, Massachusetts Institute of Technology (MIT), Prof. T. Buonassisi (2009).
Conference contributions without published articles (Presentation or poster)
29. X. Liu, K. Chen, B. Radfar, P. Mc Kearney, S. Paulus, S. Schäfer, M. Serué, D. Mutschall, V. Koskinen, T. Pasanen, V. Vähänissi, M. Juntunen, S. Kontermann, H. Savin,
Contact formation via femtosecond-laser hyperdoping in silicon optoelectronic devices,
Optics & Photonics Days - University of Eastern Finland (UEF), Joensuu, Finland, 30.05.2023 – 01.06.2023 (2023).
28. S. Schäfer, X. Liu, P. Mc Kearney, S. Paulus, B. Radfar, V. Vähänissi, H. Savin and S. Kontermann,
Effective carrier lifetime in ultrashort pulse laser hyperdoped silicon: dopant concentration dependence and practical upper limits,
EMRS Fall Meeting, Warschau 18.09-21.09.2023 (2023).
27. S. Paulus, P. McKearney, S. Schäfer, T. Niemeyer, M. Roser, F. Piermaier, I. Lebershausen, M. Seibt, S. Kontermann,
Evolution of carrier mobility and carrier density of femtosecond laser sulfur hyperdoped silicon after different post-processing treatments,
European MRS Spring Meeting, Strasbourg 29.05-02.06.2023 (2023).
26. S. Schäfer, P. McKearney, S. Paulus, and S. Kontermann,
Unravelling the optical properties of femtosecond laser hyperdoped silicon by analytical modeling of absorptance,
European MRS Spring Meeting, Virtual conference 30.05.-03.06.2022 (2022).
25. P. Mc Kearney, S. Paulus, S. Kontermann,
Obtaining high crystallinity and sub-bandgap absorption in femtosecond laser hyperdoped black silicon using femtosecond laser annealing,
European MRS Spring Meeting, Virtual conference 17.-23.04.2021 (2021).
24. A. Ahrens, B. Jürgens, A.L. Baumann, S. Kontermann, W.Schade, and M. Seibt,
Deep levels in sulphur hyperdoped silicon probed by Deep Level Transient Spectroscopy,
18th Conference on Gettering and Defect Engineering in Semiconductor Technology, Zeuthen, Germany (2019).
23. S. Hitzel, O. Stilz, M. Will, I. Lebershausen, S. Kontermann,
Diffraktive optische Elemente mit großer Stufenhöhe,
120. Jahrestagung der Deutschen Gesellschaft für Angewandte Optik, Darmstadt, Germany (2019).
22. E. Juhl, D. Rosendahl, S. Paulus, I. Lebershausen, H.-D. Bauer, S. Kontermann,
Charakterisierung von mikrostrukturiertem Silizium, hergestellt durch Femtosekundenlaserpulse, mittels Ulbrichtkugel und Rasterelektronenmikroskop,
120. Jahrestagung der Deutschen Gesellschaft für Angewandte Optik, Darmstadt, Germany (2019).
21. S. Kontermann, W. Schippers, A. L. Baumann, and W.Schade,
Experimental realization of adaptive femtosecond laser pulse shaping for optimized laser microstructuring of materials,
European MRS Spring Meeting, Lille, France (2014).
20. K.-M. Guenther, H. Witte, J. Bläsing, A. Krost, T. Gimpel, W. Schade, and S. Kontermann,
Silicon surface properties after irradiation with single femtosecond laser pulses under SF6 atmosphere, Deutsche Physikalische Gesellschaft (DPG) Spring Meeting, Regensburg, Germany (2013).
19. K.-M. Guenther, S. Winter, T. Gimpel, W. Schade, and S. Kontermann,
Investigating the infrared conversion efficiency of Black Silicon solar cells by measuring the differential spectral responsivity (DSR),
Deutsche Physikalische Gesellschaft (DPG) Spring Meeting, Regensburg, Germany (2013).
18. K.-M. Guenther, A. Bomm, T. Gimpel, M. Schulz, H. Fritze, W. Schade, and S. Kontermann,
Investigation of the sulfur doping profile of femtosecond-laserdoped Black Silicon solar cells,
Deutsche Physikalische Gesellschaft (DPG) Spring Meeting, Regensburg, Germany (2013).
17. N. Oehl, M. Knipper, T. Plaggenborg , A. Gabler, S. Kontermann, J. Parisi,
Investigation of Lithium-Silicon System using simultaneous three-electrode impedance measurements, Tagung der Gesellschaft Deutscher Chemiker, München (2012).
16. S. Kontermann, A. L. Baumann, T. Gimpel, K. M. Günther, A. Ruibys, and W. Schade,
Formation of Black Silicon by differently polarized femtosecond laser pulses,
Deutsche Physikalische Gesellschaft (DPG) Spring Meeting, Berlin, Germany (2012).
15. A. Gabler, A. L. Baumann, T. Gimpel, S. Kontermann, and W. Schade,
Gas diffusion electrode development using femtosecond-laser induced microstructured metal surfaces with hydrophobic features,
DPG Spring Meeting, Berlin, Germany (2012).
14. A. L. Baumann, T. Gimpel, K.-M. Günther, S. Kontermann, P. Saring, and W. Schade,
Absorption properties of femtosecond laser microstructured Black Silicon,
DPG Spring Meeting, Berlin, Germany (2012).
13. A. Ruibys, K. M. Günther, S. Kontermann, and W. Schade,
Photovoltaic potential of femtosecond laser hyperdoped silicon,
DPG Spring Meeting, Berlin, Germany (2012).
12. F. Fattahi Comjani, J. Waltermann, K. M. Günther, M. Köhring, U. Willer, S. Kontermann, and W. Schade, Nanogenerator on the base of zinc oxide nanowires,
DPG Spring Meeting, Berlin, Germany (2012).
11. J. Waltermann, K. M. Günther, S. Kontermann, and W. Schade,
TLM measurements of sheet and contact resistance of different ZnO layers produced by wet chemical or sputtering methods,
DPG Spring Meeting, Berlin, Germany (2012).
10. K. M. Günther, H. Witte, A. Krost, S. Kontermann, and W. Schade,
A new method for obtaining accurate capacitance-voltage curves in the presence of additional space charges, DPG Spring Meeting, Berlin, Germany (2012).
9. K. M. Günther, A. Bomm, T. Gimpel, S. Kontermann, and W. Schade,
Black Silicon solar cell emitter doping concentration measured with impedance spectroscopy,
DPG Spring Meeting, Berlin, Germany (2012).
8. T. Gimpel, I. Höger, F. Falk, S. Kontermann, and W. Schade,
Crystal structure at the surface of femtosecond-laser microstructured silicon for photovoltaics,
DPG Spring Meeting, Berlin, Germany (2012).
7. S. Kontermann, A. Ruf, and Ralf Preu,
Time Scaling of Silver Nano-Crystal Growth at the Interface of Silver Thick Film Electrodes on n-Type Silicon, DPG Spring Meeting, Dresden, Germany (2011).
6. A. Ruibys, C. Lehmann, T. Gimpel, A. L. Baumann, S. Kontermann, and W. Schade,
Determination of the complex refractive index in the infrared region for femtosecond-laser-formed silicon surfaces using ray-tracing,
DPG Spring Meeting, Dresden, Germany (2011).
5. K.-M. Günther, J. Waltermann, S. Kontermann, and W. Schade,
Electrical Investigations of different polymer and substrate materials for dye-sensitized ZnO-NW/polymer hybrid solar,
DPG Spring, Dresden,Germany (2011).
4. T. Gimpel, K.-M. Günther, A. L. Baumann, A. Ruibys, S. Kontermann, and W. Schade,
Contact materials for sulphur hyperdoped black silicon,
DPG Spring, Dresden, Germany (2011).
3. A. L. Baumann, T. Gimpel, K.-M. Günther, C. Lehmann, A. Ruibys, S. Kontermann, and W. Schade,
Black silicon with femtosecond double laser pulses,
DPG Spring Meeting, Dresden, Germany (2011).
2. J. Waltermann, K.-M. Günther, S. Kontermann, and W. Schade,
Study on different substrates for dye-sensitized ZnO/polymer hybrid solar cells,
DPG Spring Meeting, Dresden, Germany (2011).
1. S. Kontermann, Gernot Goll, Todd Sayles, and M. Brian Maple,
Investigation of CeCoIn5/Pt point contacts in the normal and superconducting states,
DPG Spring Meeting, Regensburg, Germany (2005).