Andreas A. Brand

Head of Team Laser Process Development & Metrology, Division PV Production Technology and Quality Assurance

Research focus

  • Development of laser material processes of semiconductors, dielectrics and metals
  • Optical Metrology
  • Optimization of crystalline silicon solar cell
  • Ultrafast laser regeneration of boron oxygen defects
  • High throughput industrial laser processes for solar cell manufacturing
  • Data analysis and modelling 

Short biography

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

Awards & outstanding achievements

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

Publications

Jahr
Year
Titel/Autor:in
Title/Author
Publikationstyp
Publication Type
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 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 Low-Budget Photoluminescence Imaging
Greulich, Johannes; Brand, Andreas; Höffler, Hannes; Rein, Stefan
Konferenzbeitrag
Conference Paper
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
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 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
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 und photovoltaische Solarzelle
Nekarda, Jan; Brand, Andreas; Nagel, Henning
Patent
2019 Verfahren zur Herstellung einer photovoltaischen Solarzelle, photovoltaische Solarzelle und Photovoltaikmodul
Nekarda, Jan; Brand, Andreas; Graf, Martin; Rose, Angela; Kraft, Achim
Patent
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 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 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 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 Verfahren zur Herstellung einer photovoltaischen Solarzelle und photovoltaische Solarzelle
Nekarda, Jan; Brand, Andreas; Graf, Martin; Preu, Ralf
Patent
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 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 Simulations on Laser-Phosphorous-Doped Selective Emitters
Weber, Julian; Lohmüller, Sabrina; Lohmüller, Elmar; Wasmer, Sven; 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
2018 Laser-Doped Selective Emitter - Process Development and Speed-Up
Weber, Julian; Gutscher, Simon; Lohmüller, Sabrina; Lohmüller, Elmar; Brand, Andreas
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 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
2017 Verfahren und Vorrichtung zum Stabilisieren einer photovoltaischen Silizium-Solarzelle
Nekarda, Jan; Brand, Andreas; Rein, Stefan; Krauß, Karin; Fertig, Fabian
Patent
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 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
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
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
Diese Liste ist ein Auszug aus der Publikationsplattform Fraunhofer-Publica

This list has been generated from the publication platform Fraunhofer-Publica