Head of Team Laser Process Development & Metrology, Division PV Production Technology and Quality Assurance
| since 2017 | Head of Team Laser Process Development & Metrology, Fraunhofer ISE |
| since 2011 | PhD Student "laser structuring processes for crystalline silicon solar cells", Fraunhofer ISE |
| 2008-2011 | Tribology Research, Fraunhofer Institute for Mechanics of Materials IWM |
| 2004/2005 | Honours in Physics, UWA Perth |
| 2002-2008 |
Research Assistant, Fraunhofer Institute for Laser Technology ILT |
| 2002-2008 | Scholarship Dr. Berg & Zangerle |
| 2001 | Awards from the German Secretary of Economy & VDI for innovative work in the field of Hydrogen Fuel Cells |
| Jahr Year | Titel/Autor:in Title/Author | Publikationstyp Publication Type |
|---|---|---|
| 2024 | Enabling Silver-Free Metallization of the Rear Side of iTOPCon Cells Through Laser Bonding of Thin Aluminum Foil John, Oliver; Ourinson, Daniel; Emanuel, Gernot; Brand, Andreas; Nekarda, Jan; Preu, Ralf |
Vortrag Presentation |
| 2024 | Highest Throughput Laser Processing for Thin Plated Contacts Alvarez Brito, Eduardo Ignacio; Haberstroh, René; Hoppe, Georg; Brand, Andreas; Kluska, Sven; Meyer, Fabian; Schneider, Jale; Nekarda, Jan; Du, Keming; Roessler, Florian |
Konferenzbeitrag Conference Paper |
| 2024 | Terawatt with light: Laser processes in photovoltaics - Manufacturing and potential of tomorrow Brand, Andreas |
Vortrag Presentation |
| 2024 | Paste-based Silver Reduction for iTOPCon Rear Side Metallization Ourinson, Daniel; Brand, Andreas; Lorenz, Andreas; Dhamrin, Marwan; Tepner, Sebastian; Linse, Michael; Göttlicher, Nathalie; Haberstroh, René; Tsuji, Kosuke; Huyeng, Jonas; Clement, Florian |
Zeitschriftenaufsatz Journal Article |
| 2024 | Copper as Cost-Effective Alternative to Silver for Si Solar Cell Metallization - Status and Outlook Clement, Florian; Lorenz, Andreas; Bartsch, Jonas; Brand, Andreas; Huyeng, Jonas; Keding, Roman; Kluska, Sven; Maarouf, Fadi Mahmoud; Nekarda, Jan; Ourinson, Daniel; Pingel, Sebastian; Schube, Jörg; Preu, Ralf |
Vortrag Presentation |
| 2023 | Verfahren zur Herstellung eines Solarzellenmoduls Paschen, Jan; Fellmeth, Tobias; Brand, Andreas; Baliozian, Puzant; Nekarda, Jan; Lohmüller, Elmar; Clement, Florian |
Patent |
| 2023 | Verfahren und Vorrichtung zum Ausbilden einer Struktur an einem Werkstück Hoppe, Georg; Meyer, Fabian; Schneider, Jale; Brand, Andreas; Gutscher, Simon; Nekarda, Jan |
Patent |
| 2023 | Anti-Glare Bifacial Module Designs with Structured Glass for Facade Application Hofmann, Marc; Willmann, Janina; Bienkowski, Lasse; Bläsi, Benedikt; Zimmer, Martin; Reinwand, Dirk; Ensslen, Frank; Riepe, Stephan; Nold, Sebastian; Brand, Andreas; Kuhn, Tilmann |
Konferenzbeitrag Conference Paper |
| 2023 | Study of GHz-Burst Femtosecond Laser Micro-Punching of 4H-SiC Wafers Mir, Hanan; Meyer, Fabian; Brand, Andreas; Dulitz, Katrin; Nekarda, Jan |
Aufsatz in Buch Book Article |
| 2022 | Verfahren und Vorrichtung zur Strukturierung einer Strukturschicht mittels Laserstrahlung Meyer, Fabian; Brand, Andreas; Nekarda, Jan |
Patent |
| 2022 | Low-Budget Photoluminescence Imaging Greulich, Johannes; Brand, Andreas; Höffler, Hannes; Rein, Stefan |
Konferenzbeitrag Conference Paper |
| 2022 | Uniformity Analysis of Metallization-Induced Recombination Losses by Photoluminescence Imaging Wolf, Andreas; Herrmann, David; Falconi, David; Ourinson, Daniel; Brand, Andreas; Lohmüller, Sabrina; Höffler, Hannes; Fell, Andreas |
Konferenzbeitrag Conference Paper |
| 2022 | Systematic study of GHz-burst femtosecond laser ablation of 4H-SiC wafers Mir, Hanan; Meyer, Fabian; Dulitz, Katrin; Brand, Andreas; Nekarda, Jan |
Vortrag Presentation |
| 2022 | Back-contact solar cells at Fraunhofer ISE Huyeng, Jonas; Efinger, Raphael; Schweigstill, Tadeo; Fellmeth, Tobias; Rendler, Li Carlos; Brand, Andreas; Spribille, Alma; Heinrich, Martin; Eitner, Ulrich; Keding, Roman; Clement, Florian |
Vortrag Presentation |
| 2022 | Enabling savings in silver consumption and poly-Si thickness by integration of plated Ni/Cu/Ag contacts for bifacial TOPCon solar cells Kluska, Sven; Haberstoh, Rene; Grübel, Benjamin; Cimiotti, Gisela; Kamp, Mathias; Schmiga, Christian; Brand, Andreas; Steinhauser, Bernd; Nägele, Andreas; Passig, Michael; Sieber, Markus; Brunner, Damian; Fox, Stephen |
Zeitschriftenaufsatz Journal Article |
| 2020 | TOPCon Solar Cells: Laser Ablation and Contact Formation Strategies Arya, Varun; Schellinger, S.; Fellmeth, Tobias; Steinhauser, Bernd; Grübel, Benjamin; Brand, Andreas |
Konferenzbeitrag Conference Paper |
| 2020 | Laser Metal Bonding (LMB) - Low Impact Joining of Thin Aluminum Foil to PERC and TOPCon Rear Side Surfaces John, Oliver; Emanuel, Gernot; Paschen, Jan; De Rose, Angela; Steinhauser, Bernd; Brand, Andreas; Nekarda, Jan |
Konferenzbeitrag Conference Paper |
| 2020 | Review and Recent Development in Combining Photoluminescence- and Electroluminescence-Imaging with Carrier Lifetime Measurements via Modulated Photoluminescence at Variable Temperatures Höffler, Hannes; Schindler, Florian; Brand, Andreas; Herrmann, D.; Eberle, Rebekka; Post, Regina; Kessel, A.; Greulich, Johannes M.; Schubert, Martin C. |
Konferenzbeitrag Conference Paper |
| 2020 | Plating on TOPCon as a Way to Reduce the Fabrication Costs of i-TOPCon Solar Cells Steinhauser, Bernd; Grübel, Benjamin; Nold, Sebastian; Arya, Varun; Schmiga, Christian; Kluska, Sven; Brand, Andreas; Feldmann, Frank; Bay, Norbert; Gay, X.; Passig, M.; Glatthaar, Markus |
Konferenzbeitrag Conference Paper |
| 2019 | Verfahren zur Herstellung einer photovoltaischen Solarzelle, photovoltaische Solarzelle und Photovoltaikmodul Nekarda, Jan; Brand, Andreas; Graf, Martin; Rose, Angela; Kraft, Achim |
Patent |
| 2019 | Optical evaluation of laser generated plating seed layers Franzl, Yannick; Widmaier, Y.; Kroyer, Thomas; Brand, Andreas; Kühnhold-Pospischil, Saskia; Nekarda, Jan |
Konferenzbeitrag Conference Paper |
| 2019 | FoilMet® - Connect: A New Rear Metallization Upgrade for PERC and other Cell Concepts Paschen, Jan; Emanuel, Gernot; Brand, Andreas; Fellmeth, Tobias; De Rose, Angela; John, Oliver; Nekarda, Jan |
Konferenzbeitrag Conference Paper |
| 2019 | Non-Destructive Approach for Measuring Base Resistivity of Emitter-Diffused, Partially-Processed Wafers Using Temperature-Stage QSSPC Kuruganti, V.; Haunschild, Jonas; Brand, Andreas; Al-Hajjawi, Saed; Rein, Stefan; Glunz, Stefan W. |
Konferenzbeitrag Conference Paper |
| 2019 | Verfahren zur Herstellung einer photovoltaischen Solarzelle und photovoltaische Solarzelle Nekarda, Jan; Brand, Andreas; Nagel, Henning |
Patent |
| 2019 | Verfahren zur Herstellung einer photovoltaischen Solarzelle und photovoltaische Solarzelle Nekarda, Jan; Brand, Andreas; Graf, Martin; Preu, Ralf |
Patent |
| 2019 | New Approach for a Combined Process of an Ultrafast Boron-Oxygen Defect Regeneration and Thermal Contact Treatment of Ni/Cu/Ag Plated Solar Cells Roder, Sebastian; Arya, Varun; Mir, Hanan; Grübel, Benjamin; Kluska, Sven; Bay, Norbert; Pysch, D.; Krauß, Karin; Brand, Andreas; Nekarda, Jan |
Konferenzbeitrag Conference Paper |
| 2019 | Automated Pump-Probe Microscope to Observe Laser Ablation on a Picosecond Scale Meyer, Fabian; Böhler, M.; Brand, Andreas; Nekarda, Jan F. |
Konferenzbeitrag Conference Paper |
| 2019 | Precise Selective Doping and Metallization for Next-Generation PERC Technology Keding, Roman; Efinger, Raphael; Lohmüller, Elmar; Jahn, Mike; Fellmeth, Tobias; Meßmer, Marius; Meier-Meybrunn, S.; Horzel, Jörg; Lohmüller, Sabrina; Weber, Julian; Demant, Matthias; Lorenz, Andreas; Saint-Cast, Pierre; Brand, Andreas; Nekarda, Jan; Clement, Florian; Greulich, Johannes M.; Preu, Ralf; Pickrell, M.; Hermans, J. |
Vortrag Presentation |
| 2018 | Simulations on Laser-Phosphorous-Doped Selective Emitters Weber, Julian; Lohmüller, Sabrina; Lohmüller, Elmar; Wasmer, Sven; Nekarda, Jan; Brand, Andreas |
Konferenzbeitrag Conference Paper |
| 2018 | Laser-Doped Selective Emitter - Process Development and Speed-Up Weber, Julian; Gutscher, Simon; Lohmüller, Sabrina; Lohmüller, Elmar; Brand, Andreas |
Konferenzbeitrag Conference Paper |
| 2018 | Large Area TOPCon Technology Achieving 23.4% Efficiency Steinhauser, Bernd; Feldmann, Frank; Polzin, Jana-Isabelle; Tutsch, Leonard; Arya, Varun; Grübel, Benjamin; Fischer, Andreas; Moldovan, Anamaria; Benick, Jan; Richter, Armin; Brand, Andreas; Kluska, Sven; Hermle, Martin |
Konferenzbeitrag Conference Paper |
| 2018 | All Copper NICE Modules Reinwand, Dirk; Pysch, D.; Bay, Norbert; Burschik, J.; Kuehnlein, H.H.; Madon, F.; Einhaus, R.; Brand, Andreas; Arya, Varun; Smith, B.; Richter, D.; Kray, Daniel |
Konferenzbeitrag Conference Paper |
| 2018 | Improvement of Solar Cell Efficiencies for Ultrashort-Pulse Laser Contact Opening with Ni-Cu Plated Contacts by Optimized LCO-FFO Processing Order Arya, Varun; Gutscher, Simon; Kluska, Sven; Meyer, Fabian; Cimiotti, Gisela; Nekarda, Jan; Brand, Andreas |
Konferenzbeitrag Conference Paper |
| 2018 | Challenges for the Quantification of Metal Induced Recombination Losses Herrmann, D.; Lohmüller, Sabrina; Höffler, Hannes; Fell, Andreas; Brand, Andreas; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2017 | Evaluation of TOPCon technology on large area solar cells Feldmann, Frank; Steinhauser, Bernd; Arya, Varun; Büchler, Andreas; Brand, Andreas; Kluska, Sven; Hermle, Martin; Glunz, Stefan W. |
Konferenzbeitrag Conference Paper |
| 2017 | Easy plating - study on contact interface properties of parasitic plating-free Ni/Cu solar cells Grübel, Benjamin; Büchler, Andreas; Kluska, Sven; Bartsch, Jonas; Cimiotti, Gisela; Brand, Andreas; Glatthaar, Markus |
Konferenzbeitrag Conference Paper |
| 2017 | Key aspects for fabrication of p-type Cz-Si PERC solar cells exceeding 22% conversion efficiency Werner, Sabrina; Lohmüller, Elmar; Saint-Cast, Pierre; Greulich, Johannes M.; Weber, Julian; Schmidt, Stefan; Moldovan, Anamaria; Brand, Andreas; Dannenberg, Tobias; Mack, Sebastian; Wasmer, Sven; Demant, Matthias; Linse, Michael; Ackermann, Rupprecht; Wolf, Andreas; Preu, Ralf |
Konferenzbeitrag Conference Paper |
| 2017 | Vorrichtung und Verfahren zur Bearbeitung eines Halbleitersubstrats mittels Laserstrahlung Nekarda, Jan; Brand, Andreas; Graf, Martin |
Patent |
| 2017 | Verfahren und Vorrichtung zum Stabilisieren einer photovoltaischen Silizium-Solarzelle Nekarda, Jan; Brand, Andreas; Rein, Stefan; Krauß, Karin; Fertig, Fabian |
Patent |
| 2017 | Ultrafast in-line capable regeneration process for preventing light induced degradation of boron-doped p-type Cz-silicon PERC solar cells Brand, Andreas; Krauß, Karin; Wild, P.; Schörner, S.; Gutscher, Simon; Roder, Sebastian; Rein, Stefan; Nekarda, Jan |
Konferenzbeitrag Conference Paper |
| 2017 | How to Realize Solar Cells with Laser Structured Plated Ni-Cu-Contacts with Excellent Adhesion and High Fill-Factors without Parasitic Plating Büchler, Andreas; Kluska, Sven; Bartsch, Jonas; Grübel, Benjamin; Brand, Andreas; Gutscher, Simon; Glatthaar, Markus |
Konferenzbeitrag Conference Paper |
| 2015 | Analysis and performance of dispensed and screen printed front side contacts at cell and module level Rodriguez, C.; Pospischil, Maximilian; Padilla, A.; Kuchler, Martin; Klawitter, Markus; Geipel, Torsten; Padilla, M.; Fellmeth, Tobias; Brand, Andreas; Efinger, Raphael; Linse, Michael; Gentischer, Harald; König, M.; Hörteis, Matthias; Wende, L.; Doll, Oliver; Clement, Florian; Biro, Daniel |
Konferenzbeitrag Conference Paper |
| 2014 | Verfahren zur Ablation einer Schicht Brand, Andreas; Nekarda, Jan |
Patent |
| 2014 | Plated Nickel-Copper contacts on c-Si. From microelectronic processing to cost effective silicon solar cell production Mondon, Andrew; Bartsch, Jonas; Kamp, Mathias; Brand, Andreas; Steinhauser, Bernd; Bay, Norbert; Horzel, Jörg; Glatthaar, Markus; Glunz, Stefan W. |
Konferenzbeitrag Conference Paper |
| 2014 | Laserbasiertes Verfahren und Bearbeitungstisch zur lokalen Kontaktierung eines Halbleiterbauelements Nekarda, Jan; Rodofili, Andreas; Brand, Andreas; Graf, Martin; Preu, Ralf |
Patent |
| 2013 | Laser assisted honeycomb-texturing on multicrystalline silicon for industrial applications Volk, Anne-Kristin; Gutscher, Simon; Brand, Andreas; Wolke, Winfried; Zimmer, Martin; Reinecke, H. |
Konferenzbeitrag Conference Paper |
| 2012 | Multifunctional PECVD layers: Dopant source, passivation, and optics Seiffe, Johannes; Pillath, F.; Trogus, Daniel; Brand, Andreas; Savio, Christian; Hofmann, Marc; Rentsch, Jochen |
Konferenzbeitrag Conference Paper |
| 2012 | Nanosecond laser annealing to decrease the damage of picosecond laser ablation of anti-reflection layers on textured silicon surfaces Brand, Andreas; Knorz, Annerose; Zeidler, Ralf; Nekarda, Jan F.; Preu, Ralf |
Konferenzbeitrag Conference Paper |
Fraunhofer Institute for Solar Energy Systems ISE