Prof. Dr. Hartmut Nussbaumer

Work at ZHAW

Position

Professor for Photovoltaics, Head of research group Photovotaic, Coordinator platform Photvoltaics

Focus

Photovoltaics

Professional development teaching

WBK Photovoltaik, Netze und Speicher

Experience

• CTO
  RENA GmbH
  07 / 2008 - 06 / 2014
• Managing director
  centrotherm photovoltaics technology GmbH
  06 / 2006 - 06 / 2008
• Head of Technology
  Sunways
  01 / 1998 - 05 / 2006
• Project leader
  Eurosolare SpA
  06 / 1996 - 12 / 1997

Education and Continuing education

Education

• PhD / Physics
  University of Konstanz
  07 / 1992 - 05 / 1996
• Diploma / Physics
  University of Konstanz
  10 / 1986 - 05 / 1992

Continuing Education

• Research stay
  Tyree Energy Technologies Building
  2024
• Certificate of Advanced Studies
  PH Zurich
  10 / 2016

Network

Awards

Doctor of Science with Summa cum laude
University of Kontanz
05 / 1996

Projects

• Alpine PV Competence / Project leader / laufend
• Advanced Imaging and Machine Learning for PV Quality Assurance / Team member / laufend
• Ultra lightweight PV modules (U-LIGHT) / Project leader / abgeschlossen
• PV2050: Sustainability, market deployment and interaction to the grid – the impacts of advanced PV solutions / Team member / abgeschlossen

Publications

• Nussbaumer, Hartmut; Janssen, Gaby; Berrian, Djaber; Wittmer, Bruno; Klenk, Markus; Baumann, Thomas; Baumgartner, Franz; Morf, Marco; Burgers, Antonius; Libal, Joris; Mermoud, André,

  2020.

  Accuracy of simulated data for bifacial systems with varying tilt angles and share of diffuse radiation.

  Solar Energy.

  197, pp. 6-21.

  Available from: https://doi.org/10.1016/j.solener.2019.12.071

• Baumann, Thomas; Nussbaumer, Hartmut; Klenk, Markus; Dreisiebner, Andreas; Carigiet, Fabian; Baumgartner, Franz,

  2019.

  Photovoltaic systems with vertically mounted bifacial PV modules in combination with green roofs.

  Solar Energy.

  190, pp. 139-146.

  Available from: https://doi.org/10.1016/j.solener.2019.08.014

• Nussbaumer, Hartmut; Klenk, Markus; Morf, Marco; Nicolas, Keller,

  2019.

  Energy yield prediction of a bifacial PV system with a miniaturized test array.

  Solar Energy.

  179, pp. 316-325.

  Available from: https://doi.org/10.1016/j.solener.2018.12.042

• Berrian, Djaber; Libal, Joris; Klenk, Markus; Nussbaumer, Hartmut; Kopecek, Radovan,

  2019.

  Performance of bifacial PV arrays with fixed tilt and horizontal single-axis tracking : comparison of simulated and measured data.

  IEEE Journal of Photovoltaics.

  9(6), pp. 1583-1589.

  Available from: https://doi.org/10.1109/JPHOTOV.2019.2924394

• Nussbaumer, Hartmut; Hiltebrand, Roger; Pfyffer, Selina; Klenk, Markus,

  2023.

  Photovoltaic and green roof : energy yield per area of vertically installed bifacial modules in dense arrangements [paper].

  In:

  Proceedings of the 40th European Photovoltaic Solar Energy Conference and Exhibition.

  40th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), Lisbon, Portugal, 18-22 September 2023.

  München:

  WIP.

  pp. 020424-001-020424-007.

  Available from: https://doi.org/10.4229/EUPVSEC2023/4DO.12.5

• Nussbaumer, Hartmut; Klenk, Markus; Morf, Marco; Meister, Jan; Werner, Dieter,

  2020.

  Miniaturized model kit for yield measurements of PV systems : concept and application [paper].

  In:

  Proceedings of the 2020 47th IEEE Photovoltaic Specialists Conference (PVSC).

  2020 47th IEEE Photovoltaic Specialists Conference (PVSC), Calgary (Canada), 15 June 2020.

  IEEE.

  pp. 1093-1095.

  Available from: https://doi.org/10.1109/PVSC45281.2020.9300554

• Segundo Sevilla, Felix Rafael; Dobrowolski, Jean; Nussbaumer, Hartmut; Korba, Petr; Barocio, Emilio,

  2018.

  State-feedback control for damping inter-area oscillations on electrical power systems [paper].

  In:

  2018 IEEE Autumn Meeting on Power, Electronics and Computing (ROPEC 2018), Ixtapa, Mexico, 14-16 November 2018.

• Nussbaumer, Hartmut; Klenk, Markus; Libal, Joris; Kopecek, Radovan,

  2019.

  PV systems with lowest LCOE using bifacial modules : state-of-the-art systems and components.

  PV-Tech Power.

  18, pp. 16-27.

• Nussbaumer, Hartmut; Klenk, Markus; Halm, Andreas; Schneider, Andreas,

  2018.

  State-of-the-art bifacial module technology.

  Photovoltaics International.

  2018(41), pp. 108-125.

• Klenk, Markus; Nussbaumer, Hartmut; Veschetti, Yannik; Kopecek, Radovan; Kreiter, Rob; Hildebrandt, Heiko,

  2018.

  Bifacial PV systems and yield data (bifacial gain)

  .

  In:

  Kopecek, Radovan; Libal, Joris, eds.,

  Bifacial photovoltaics : technology, applications and economics.

  Institution of Engineering and Technology.

  pp. 153-214.

• Janssen, G.J.M.; Burgers, A.R.; Binani, A.; Carr, A.J.; Van Aken, B.B.; Romijn, I.G.; Klenk, Markus; Nussbaumer, Hartmut; Baumann, Thomas,

  2018.

  How to maximize the kwh/kwp ratio : simulations of single-axis tracking in bifacial systems [paper].

  In:

  35th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), Brussels, Belgium, 24-27 September 2018.

• Baumann, Thomas; Carigiet, Fabian; Knecht, Raphael; Klenk, Markus; Dreisiebner, Andreas; Nussbaumer, Hartmut; Baumgartner, Franz,

  2018.

  Performance analysis of vertically mounted bifacial PV modules on green roof system [paper].

  In:

  35th European Photovoltaic Solar Energy Conference and Exhibition.

  35th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), Brussels, Belgium, 24-27 September 2018.

  WIP.

  Available from: https://doi.org/10.21256/zhaw-4034

• Nussbaumer, Hartmut; Klenk, Markus; Keller, Nicolas; Heller, Dominic; Käslin, Remo; Baumann, Thomas; Baumgartner, Franz,

  2017.

  Application of shaped reflectors to increase the energy harvest of bifacial PV systems : analyzed with a miniaturized test array [paper].

  In:

  2017 IEEE 44th Photovoltaic Specialist Conference (PVSC 2017) : Proceedings.

  44th IEEE PVSC, Washington D.C., USA, 25-30 June 2017.

  IEEE.

  pp. 1077-1080.

• Baumann, Thomas; Klenk, Markus; Keller, Nicolas; Nussbaumer, Hartmut; Baumgartner, Daniel,

  2017.

  Illumination homogeneity of bifacial systems : outdoor measurements with systematically varied installation conditions : visual [paper].

  In:

  Proceedings of the EU PVSEC 2017.

  33rd European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), Amsterdam, Netherlands, 25-29 September 2017.

  pp. 1605-1609.

  Available from: https://doi.org/10.4229/EUPVSEC20172017-5BV.4.28

• Oreski, Gernot; Halm, Andreas; Schenk, Verena; Krumlacher, Werner; Nussbaumer, Hartmut,

  2017.

  Investigation of effects due to encapsulation thickness [poster].

  In:

  33rd European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), Amsterdam, Netherlands, 25-29 September 2017.

• Nussbaumer, Hartmut; Klenk, Markus; Keller, Nico; Ammann, Peter; Thurnheer, Jan,

  2017.

  Record-light weight c-Si modules based on the small unit compound approach : mechanical load tests and general results [paper].

  In:

  Proceedings of the 33rd European Photovoltaic Solar Energy Conference and Exhibition.

  33rd European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), Amsterdam, Netherlands, 25-29 September 2017.

  WIP.

  pp. 146-150.

  Available from: https://doi.org/10.4229/EUPVSEC20172017-1CV.3.69

• Nussbaumer, Hartmut; Petrzilek, Giordano; Schartinger, Steve; Klenk, Markus; Keller, Nico; Baumann, Thomas; Carigiet, Fabian; Baumgartner, Franz,

  2016.

  Influence of low concentration on the energy harvest of PV systems using bifacial modules [paper].

  In:

  Proceedings of the EU PVSEC 2016 (Munich).

  European Photovoltaic Solar Energy Conference and Exhibition 2016, Munich, Germany, 2016.

  WIP.

• Nussbaumer, Hartmut; Petrzilek, Giordano; Schartinger, Steve; Klenk, Markus; Keller, Nico; Baumann, Thomas; Carigiet, Fabian; Baumgartner, Franz,

  2016.

  Miniaturized test array as a means to determine the energy harvest of bifacial installations [paper].

  In:

  Poceedings of the 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC).

  2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC 2016), Portland, USA, 5-10 June 2016.

  IEEE.

  pp. 2698-2703.

  Available from: https://doi.org/10.1109/PVSC.2016.7750140

• Nussbaumer, Hartmut; Petrzilek, Giordano; Schartinger, Steve; Klenk, Markus; Keller, Nico; Baumann, Thomas; Carigiet, Fabian; Baumgartner, Franz,

  2016.

  Miniaturized test array as a means to determine the energy harvest of bifacial installations [poster].

  In:

  IEEE PVSC 2016 : Kongress.

  2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC 2016), Portland, USA, 5-10 June 2016.

  IEEE.

  pp. 2698-2703.

  Available from: https://doi.org/10.1109/PVSC.2016.7750140

• Nussbaumer, Hartmut; Klenk, Markus; Keller, Nico,

  2016.

  Small unit compound modules : a new approach for light weight PV modules [paper].

  In:

  Proceedings of the 32nd European Photovoltaic Solar Energy Conference and Exhibition.

  32nd European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC 2016), Munich, Germany, 20-24 June 2016.

  WIP.

  pp. 56-60.

  Available from: https://doi.org/10.4229/EUPVSEC20162016-1BO.12.5

• Horzel, Jörg T.; Shengzhao, Yuan; Bay, Norbert; Passig, Michael; Pysch, Damian; Kühnlein, Holger; Nussbaumer, Hartmut; Verlinden, Pierre,

  2015.

  Industrial Si solar cells with Cu based plated contacts.

  IEEE Journal of Photovoltaics.

  5(6), pp. 1595-1600.

  Available from: https://doi.org/10.1109/JPHOTOV.2015.2478067

• Nussbaumer, Hartmut; Klenk, Markus; Schär, Daniel; Baumann, Thomas; Carigiet, Fabian; Keller, Nico; Baumgartner, Franz,

  2015.

  PV installations based on vertically mounted bifacial modules evaluation of energy yield and shading effects [paper].

  In:

  Proceedings of the 31st European Photovoltaic Solar Energy Conference and Exhibition.

  31st European Photovoltaic Solar Energy Conference and Exhibition (EUPVSEC), Hamburg, Germany, 14-18 September 2015.

  WIP.

  pp. 2037-2041.

  Available from: https://doi.org/10.4229/EUPVSEC20152015-5AV.6.34

• Nussbaumer, Hartmut; Lantschner, Daniel; Baumgartner, Franz; Knecht, Raphael; Böhler, J.; Brühl, U.; Baumann, Thomas,

  2015.

  The Swiss PV wall system to maximise self-consumption in a single building element [paper].

  In:

  31st European Photovoltaic Solar Energy Conference and Exhibition (EUPVSEC), Hamburg, Germany, 14-18 September 2015.

• Baumgartner, Franz; Nussbaumer, Hartmut; Baumann, Thomas; Carigiet, Fabian; Keller, Nico; Schär, Daniel; Büchel, Arthur; Comparotto, Corrado; Harney, Rudolf; Schneider, Andreas,

  2014.

  Bifacial modules used in cable based PV carport applications [paper].

  In:

  Photovoltaic science and engineering : the 6th World Conference on Photovoltaic Energy Conversion, 24th International Photovoltaic Science and Engineering Conference, PVSEC-24.

  6th World Conference on Photovoltaic Energy Conversion, Kyoto, Japan, 23-27 November 2014.

  Tokyo Japan Society of Applied Physics.

• Comparotto, C.; Noebels, M.; Popescu, L.; Edler, A.; Ranzmeyer, J.; Klaus, T.; Mihailetchi, V.D.; Harney, R.; Lossen, J.; Böscke, T.S.; Schär, D.; Nussbaumer, Hartmut; Baumann, Thomas; Baumgartner, Franz,

  2014.

  Bifacial n-type solar modules : indoor and outdoor evaluation [paper].

  In:

  Proceedings of the 29th European Photovoltaic Solar Energy Conference and Exhibition.

  29th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), Amsterdam, 23-25 September 2014.

  Amsterdam:

  WIP.

  pp. 3248-3250.

  Available from: https://doi.org/10.4229/EUPVSEC20142014-5CV.2.11

• Nussbaumer, Hartmut,

  2022.

  Photovoltaiksysteme in Kombination mit Gründächern.

  In:

  20. Nationale Photovoltaik-Tagung, Bern (online), 29.-30. März 2022.

• Nussbaumer, Hartmut; Klenk, Markus; Morf, Marco; Fil, Greg; Carigiet, Fabian,

  2021.

  Comparative energy yield study of vertically installed bifacial PV modules measured by a miniturized test rig.

  In:

  38th European Photovoltaic Solar Energy Conference and Exhibition (EUPVSEC), online, 6-10 September 2021.

• Nussbaumer, Hartmut,

  2019.

  PV Systeme mit bifazialen Modulen : Stand der Technik & Ausblick.

  In:

  17. Nationale Photovoltaik-Tagung 2019, Bern, 26.-27. März 2019.

• Klenk, Markus; Nussbaumer, Hartmut; Morf, Marco; Baumann, Thomas; Baumgartner, Franz; Berrian, Djaber; Libal, Joris; Janssen, Gaby; Burgers, Teun,

  2018.

  Bifacial modeling with the BIFOROT.

  In:

  Fifth bifiPV Workshop, Denver, USA, 10-11 September 2018.

• Klenk, Markus; Baumann, Thomas; Nussbaumer, Hartmut; Morf, Marco; Keller, Nicolas; Baumgartner, Franz,

  2017.

  BIFOROT – Experimental data for LCOE appraisal of bifacial systems.

  In:

  4th bifiPV Workshop 2017, Konstanz, Deutschland, 25-26 October 2017.

• Nussbaumer, Hartmut,

  2017.

  Bifacial module concepts.

  In:

  4th bifiPV Workshop 2017, Konstanz, Deutschland, 25-26 October 2017.

• Klenk, Markus; Nussbaumer, Hartmut; Baumgartner, Franz; Keller, Nicolas; Baumann, Thomas,

  2016.

  Bifacial outdoor roto tester : BIFOROT.

  In:

  3rd bifi PV 2016 Workshop on Bifacial PV, Miyazaki, Japan, 29-30 September 2016.

  Miyazaki:

  University of Miyazaki.

Publications before appointment at the ZHAW

• Juergen Schweckendiek, Ronald Hoyer, Sebastian Patzig-Klein, Franck Delahaye, Gerry Knoch, Hartmut Nussbaumer, "Cleaning in Crystalline Si Solar Cell Manufacturing", Solid State Phenomena, Vol. 195, pp. 283-288, 2013
• H. Nussbaumer, F. P. Baumgartner, G. Willeke and E. Bucher, „Hall mobility minimum in polycrystalline silicon“,Journal of Applied Physics 83, 292, 1998
• H. Nussbaumer, G. Willeke and E. Bucher, „Optical behavior of textured silicon“, J. Appl. Phys. 75, 1994, p. 2202
• H. Bender, J. Szlufcik, H. Nussbaumer, G. Palmers, O. Evrard, J. Nijs, R. Mertens, E. Bucher and G. Willeke, „Polycrystalline silicon solar cells with a mechanically formed texturization“, Appl. Phys. Lett. 62, 1993, p. 2941
• P. T. Landsberg, H. Nussbaumer and G. Willeke, „Band-band impact ionization and solar cell efficiency“, J. Appl. Phys. 74, 1993, p. 1451
• G. Willeke, H. Nussbaumer, H. Bender and E. Bucher, „A simple effective light trapping technique for polycrystalline silicon solar cells“, Solar Energy Materials and Solar Cells, 26, 1992, p. 345
• D. Pysch, B. Latzel, C. Schmitt, B.-U. Sander, S. Patzig-Klein, R. Sastrawan, J. Horzel, O. Voigt, A. Heeren & H. Nussbaumer,”Route to 19% Efficient Industrial Production Multi-Crystalline PERC Solar Cells Including a Fast ALD Al2O3 for Rear Side Passivation”, Proceedings to the 29th EU PVSEC 2014, Amsterdam
• S. Patzig-Klein, S. Xu ,L. Zanger, J. Wu, B. Zhou, M. Schumann, F. Delahaye, J. Schweckendiek, R. Dechant-Wagner, R. Sastrawan, A. Heeren and H. Nussbaumer, “Advanced processing sequences for diamond wire sawn silicon substrates”, Proceedings to the 28th European Solar Energy Conference 2013, Paris, p. 1761
• J. Horzel, N. Bay, T. Knarozovski, A. Träger, M. Passig, J. Burschik, M. Sieber, A. Hoffmann, B. Latzel, D. Pysch, C. Schmitt, R. Sastrawan, H.H. Kuehnlein, K. Vosteen, H. Nussbaumer, R. Boehme, H. Schillinger, A. Letize, B. Lee, T. Soederstroem, “Different Concepts of Implementing a Directly Plated Front Side Metallization into Industrial Solar Cell Mass Production” Proceedings to the 28th European Solar Energy Conference 2013, Paris, p. 1374
• A. Spribille, E. Lohmüller, B. Thaidigsmann, R. Hamid, H. Nussbaumer, F. Clement, R. Preu , “Wet Chemical Single-Side Emitter Etch Back for MWT Solar Cells with Al-BSF and Challenges for via Paste Selection”, Proceedings to the 28th European Solar Energy Conference 2013, Paris, p. 1080
• R. Sastrawan, D. Pysch, M. Bijker, F. Delahaye, B. Dielissen, W. Eipert, X. Gay, R. Görtzen, A. Hoffmann, B. Latzel, M. Lenes, X. Mao, S. Patzig-Klein, X. Qu, B.-U. Sander, C. Schmitt, F.M.M. Souren, A. Träger, K. Weise, S. Yang, H. Nussbaumer, “Implementation of a Multicrystalline ALD-Al2O3-PERC Technology into an Industrial Pilot Production”, Proceedings to the 28th European Solar Energy Conference 2013, Paris, p. 1861
• S. Patzig-Klein, E. Wefringhaus, C. Klein, W. Benko, F. Delahaye, S. Queißer, J. Schweckendiek 1, H. Nussbaumer, “ Overview of wet chemical texturing processes for “cast-mono” silicon materials”, Proceedings to the 27th European Solar Energy Conference, 2012, p.766
• R. Sastrawan, F. Aigner, A. Becker, R. Böhme, F. Delahaye, A. Hoffmann, A. Heeren, D. Kray, B. Latzel, D. Pysch, J. Rentsch, W. Saule, C. Schmitt, B. Straub, A. Träger, S. Queisser, Volk. A., L. Zanger, M. Zimmer and H. Nussbaumer, “Combing Laser Doping and Wet Chemical Etch Back for Industrial Selective Emitter Solar Cells”, Proceedings to the 27th European Solar Energy Conference, 2012, p.1563
• E. Cornagliotti, A Uruena, J. Horzel, J. John, L. Tous, D. Hendrickx, V. Prajapati, S. Singh, R. Hoyer, F. Delahaye, K. Weise, D. Queisser, H. Nussbaumer and J. Poortmans, “How Much Rear Side Polishing Is Required? A Study on the Impact of Rear Side Polishing in PERC Solar Cells”, Proceedings to the 27th European Solar Energy Conference, 2012, p. 561
• D. Kray, N. Bay, G.Cimiotti, N. Fritz, M. Glatthaar, S. Kleinschmidt, A. Lösel, O. Lühn, J. Schramm-Moura, A. Rodofili, A. Träger, H. Kühnlein, H. Nussbaumer, “Reducing Ag Cost and Increasing Efficiency. Multicrystalline Silicon Solar Cells with Direct Plated Contacts Exceeding 17% Efficiency”, Proceedings to the 26th European Solar Energy Conference, 2011, p. 1199
• N. Bay, J. Burschik, G.Cimiotti, N. Fritz, S. Kleinschmidt, M. Sieber, D. Kray,O. Lühn, H. H. Kühnlein, H. Nussbaumer, “Influence of Pretreatment Chemistry on the Performance of Direct Plated Silicon Solar Cells”, Proceedings to the 26th European Solar Energy Conference, 2011, p. 1659
• D. Kray, N. Bay, G. Cimiotti, S. Kleinschmidt, N. Kösterke, A. Lösel, M. Sailer, A. Träger, H. Kühnlein,H. Nussbaumer, C. Fleischmann, F. Granek, “Industrial LCP Selective Emitter Solar Cells With Plated Contacts”, Proceedings to the 35th World Solar Energy Conference, 2010, Honolulu, USA
• N. Bay, J. Burschik, G. Cimiotti, N. Fritz, N. Kösterke, D. Kray, A. Lösel, O. Lühn, M. Sieber, A. Träger, H. H. Kühnlein, H. Nussbaumer, “Adhesive One Step Ni/Ag and Ni/Cu/Ag Inline Direct Plating on Laser Processed Selective Emitter Structures”, Proceedings of the 25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion, 2010, Valencia, Spain, p. 2183
• D. Kray, N. Bay, G. Cimiotti, S. Kleinschmidt, N. Kösterke, A. Lösel, O. Lühn, M. Sailer, A. Träger, H. Kühnlein, H. Nussbaumer, A. Fell, C. Fleischmann, S. Hopman, K. Mayer, M. Mesec, A. Rodofili, F. Granek, S.W. Glunz, E. Müller, P. Sempere, A. Pauchard, B. Richerzhagen, “High-Efficiency Large Area Industrial LCP Selective Emitter Solar Cells Ready for Production”, Proceedings of the 25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion, 2010, Valencia, Spain, p. 1896
• E.M. Sachs, A.M. Gabor, P. Madden, S. Olibet, H. Gates, A. Ersen, V. Tarasov, D. Harris, K. Passino, F. van Mierlo, S. Queisser, A. Heeren, H. Kühnlein, F. Delahaye, H. Nussbaumer, “1366-Texture and 1366-Metallization: Superior Light Trapping and 30-Micron Fingers for Any Silicon Wafer Type at Low Cost” Proceedings of the 25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion, 2010, Valencia, Spain, p. 1475
• H.H. Kuehnlein, N. Koesterke1, G. Cimiotti, E. Hartmannsgruber, N. Buerger, H. Nussbaumer, D. Luetke-Notarp, M. Becker, “>0.4% Absolut Efficiency Gain by Fast Ni-Cu-Sn Electroplating of Solar Cells with Fine Line Printed Contacts by a Single Side Wet Treatment Technology”, Proceedings to the 24th European Solar Energy Conference, , 2009, Hamburg, Germany, p. 282
• H. Nussbaumer, F. Delahaye, W. Saule, D. Nagel, S. Queisser, B. U. Sander, H. Kühnlein, N. Kösterke, N. Bay, G. Cimiotti, A. Eljaouhari, J. Schweckendiek, R. Dechant-Wagner, I. Sen, S. Kleinschmidt, “Wet Chemical Processing in Crystalline Silicon Wafer and Cell Production Today and Tomorrow”, Proceedings to the 24th European Solar Energy Conference, 2009, Hamburg, Germany, p. 1356
• H.H. Kuehnlein, N. Koesterke, G. Cimiotti, N. Bay, H. Nussbaumer, A. Pauchard, B. Richerzhagen, F. Granek, C. Fleischmann, S. Hopman, K. Mayer, M. Mesec, “Next Generation of Front Grid Metallization: LCP Selective Emitter Combined with Ni-Cu-Sn Direct Plating on Silicon”, Proceedings to the 24th European Solar Energy Conference, 2009, Hamburg, Germany, p. 1712
• J. Krümberg, I. Melnyk, M. Schmidt, M. Michel, T. Fidler, M. Kagerer, P. Fath, L. Heiliger and H. Nussbaumer, “New Innovative Alkaline Texturing Process for CZ Silicon Wafers”, Proceedings to the 24th European Solar Energy Conference, , 21-25 September 2009, Hamburg, Germany, p. 1748

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