Research focus
- Photovoltaics
- PV Production and Technology
- Silicon Surface Passivation
- Physics of Semiconductors and Thin Film Systems
- Silicon Epitaxy
- Laser-based Processes for Renewable Energies
- Negative Emissions Technologies
Science Advisor to the Institute Director
Work experience | |
Since 2023 | Referent of the Directorship, Fh ISE |
2021 - 2022 | Group Leader “Laser Process Development”, Fh ISE |
Since 2020 | Strategy Development, Negative Emissions Technologies, Fh ISE |
Since 2018 | Project Manager, Department Production Tech., Structuring and Metallization, Fh ISE |
2018 - 2021 | Equal Opportunity Officer, Fh ISE |
2016 - 2018 | Postdoc, Department Crystallization and Functional Materials, Fh ISE |
2013 - 2014 | Scientist, research stay at the Forschungszentrum Jülich and Solar World Innovations GmbH (SWIN) Freiberg |
2011 - 2016 | PhD thesis, defects in the Si/Al2O3 interface, Department of Production Technology and Quality Assurance, Fh ISE and University of Freiburg |
2009 - 2011 | Scientist, Department of Quantum Optics at the Faculty of Physics, University of Tübingen |
2006 - 2016 | Scientist, management of practical courses, Faculties of Physics and Chemistry, Universities of Tübingen and Freiburg |
Education - Training | |
2020 - 2021 | Training as Coach “Systemic, integral coach" (personal and business coach), with a focus on ACT (Acceptance commitment training) |
2019 - 2022 | Specialist "Protection against sexual harassment and violence in working life" (trainer) |
University education | |
2003 - 2010 | Diploma in physics, Eberhard Karls University Tübingen (final grade "very good"); focus: nanotechnology |
2009 - 2010 | Diploma thesis, Eberhard Karls University of Tübingen, Department of Experimental Nano Atom Optics, Title: One Atom Statistics in Ultracold Quantum Gases |
2005 - 2006 | Study abroad, Spain, Faculty of Physics, University of Oviedo, Asturias |
2021 | Champion of the Fraunhofer BestChance Award for the development of a protection concept "Prevention and Intervention of Sexual harassment at the Workplace" |
2019 - 2021 | funded within the framework of TALENTA SpeedUp (Fraunhofer-internal program to support female scientists on their individual career path towards leadership) |
2019 | 2nd place of the Fraunhofer BestChance award for the development of the support programs Femovation and DokInCareer |
2003 | Ella Bulow Prize for the financing model of a combined heat and power plant including a photovoltaic system at the Georg-Christoph Lichtenberg School |
Strategy Development of Negative Emission Technologies |
Coordination of Negative Emission Technologiy activities at the Fraunhofer ISE, amongst others: Life cycle assessments of negative emission technologies for Bioenergy Carbon Capture and Storage (BECCS), Direct Air Capture Carbon Capture and Storage (DACCS) and Pyrolysis Carbon Capture and Storage (PyCCS) and simulating Negative Emission Technologies as a part of the Renewable Energy Model (REMod) |
Project management of several publicly funded joint projects |
I offer trainings for
Jahr Year | Titel/Autor:in Title/Author | Publikationstyp Publication Type |
---|---|---|
2021 | Alternative printing technologies Pospischil, Maximilian; Lorenz, Andreas; Kühnhold-Pospischil, Saskia; Adrian, Adrian |
Aufsatz in Buch Book Article |
2020 | A density functional theory study on the passivation mechanisms of hydrogenated Si/Al2O3 interfaces Colonna, F.; Kühnhold-Pospischil, S.; Elsässer, C. |
Zeitschriftenaufsatz Journal Article |
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 |
2018 | Optimization of inline processes for the production of freestanding epitaxially grown thin films for solar cells Ivanov, Alexey; Sorgenfrei, Ralf; Gust, Elke; Barth, Philipp; Nieuwenhuysen, Kris van; Kühnhold-Pospischil, Saskia; Riepe, Stephan; Janz, Stefan |
Konferenzbeitrag Conference Paper |
2018 | Oberflächen-Passivierung von kristallinem Silicium durch Aluminiumoxid Kühnhold-Pospischil, Saskia |
Dissertation Doctoral Thesis |
2018 | Rapid vapor-phase direct doping for high-efficiency solar cells Kühnhold-Pospischil, Saskia; Steinhauser, Bernd; Richter, Armin; Gust, Elke; Janz, Stefan |
Zeitschriftenaufsatz Journal Article |
2017 | Origin and impact of crystallographic defects in epitaxially grown Si wafers Janz, Stefan; Amiri, Diana; Gust, Elke; Kühnhold-Pospischil, Saskia; Riepe, Stephan; Heinz, Friedemann D.; Drießen, Marion |
Konferenzbeitrag Conference Paper |
2017 | Rapid vapor-phase direct diffused emitter for solar cell applications Kühnhold-Pospischil, Saskia; Gust, Elke; Amiri, Diana; Richter, Armin; Steinhauser, Bernd; Drießen, Marion; Michl, Bernhard; Greulich, Johannes M.; Benick, Jan; Lindekugel, Stefan; Janz, Stefan |
Konferenzbeitrag Conference Paper |
2016 | A study on Si/Al2O3 paramagnetic point defects Kühnhold-Pospischil, Saskia; Saint-Cast, Pierre; Hofmann, Marc; Weber, S.; Jakes, P.; Eichel, R.-A.; Granwehr, J. |
Zeitschriftenaufsatz Journal Article |
2016 | Activation Energy of Negative Fixed Charges in Thermal ALD Al2O3 Kühnhold-Pospischil, Saskia; Saint-Cast, Pierre; Richter, Armin; Hofmann, Marc |
Zeitschriftenaufsatz Journal Article |
2015 | Charge transport in nanocrystalline SiC with and without embedded Si nanocrystals Schnabel, Manuel; Canino, Mariaconcetta; Kühnhold-Pospischil, Saskia; López-Vidrier, Julian; Klugermann, T.; Weiss, Charlotte; Lopez-Conesa, L.; Zschintzsch-Dias, M.; Summonte, Caterina; Löper, Philipp; Janz, Stefan; Wilshaw, Peter R. |
Zeitschriftenaufsatz Journal Article |
2014 | High-temperature Degradation in Plasma-enhanced Chemical Vapor Deposition Al2O3 Surface Passivation Layers on Crystalline Silicon Kühnhold, S.; Saint-Cast, P.; Kafle, B.; Hofmann, M.; Colonna, F.; Zacharias, M. |
Zeitschriftenaufsatz Journal Article |
2014 | PECVD Al2O3 for Surface Passivation: A Review of Solar Cell and Thin Layer Characteristics Silicon Solar Cell Kühnhold-Pospischil, Saskia; Saint-Cast, Pierre; Hofmann, Marc; Paramanathan, R.; El-Safoury, M.; Kafle, Bishal; Kania, Daniel; Weiss, L.; Heo, Y.-H.; Billot, Etienne; Olwal, P.; Rentsch, Jochen; Preu, Ralf |
Konferenzbeitrag Conference Paper |
2013 | High-power-plasma PECVD of SiNx and Al2O3 for industrial solar cell manufacturing Hofmann, Marc; Kohn, Norbert; Schwarz, F.; Nölker, S.; Kastl, S.; Beckmann, R.; Ferré, R.; Pernau, T.; Trogus, Daniel; Kühnhold-Pospischil, Saskia; Saint-Cast, Pierre; Rentsch, Jochen |
Konferenzbeitrag Conference Paper |
2013 | Recombination and optical properties of wet chemically polished thermal oxide passivated Si surfaces Schwab, C.; Wolf, Andreas; Graf, M.; Wöhrle, Nico; Greulich, Johannes M.; Kühnhold-Pospischil, Saskia; Kästner, G.; Biro, Daniel; Preu, Ralf |
Zeitschriftenaufsatz Journal Article |
2012 | Recombination on locally processed wafer surfaces Saint-Cast, Pierre; Nekarda, Jan; Hofmann, Marc; Kühnhold-Pospischil, Saskia; Preu, Ralf |
Zeitschriftenaufsatz Journal Article |
2012 | Thermal stability investigations of PECVD Al2O3 films discussing a possibility of improving surface passivation by re-hydrogenation after high temperature processes Kafle, Bishal; Kühnhold-Pospischil, Saskia; Beyer, W.; Lindekugel, Stefan; Saint-Cast, Pierre; Hofmann, Marc; Rentsch, Jochen |
Konferenzbeitrag Conference Paper |
2012 | High-temperature stability of c-Si surface passivation by thick PECVD Al2O3 with and without hydrogenated capping layers Saint-Cast, Pierre; Kania, D.; Heller, R.; Kühnhold-Pospischil, Saskia; Hofmann, Marc; Rentsch, Jochen; Preu, Ralf |
Zeitschriftenaufsatz Journal Article |
2012 | Impact of thermal treatment on PECVD Al2O3 passivation layers Kühnhold-Pospischil, Saskia; Kafle, Bishal; Kroely, L.; Saint-Cast, Pierre; Hofmann, Marc; Rentsch, Jochen; Preu, Ralf |
Zeitschriftenaufsatz Journal Article |
2012 | A review of PECVD aluminum oxide for surface passivation Saint-Cast, Pierre; Hofmann, Marc; Kühnhold-Pospischil, Saskia; Kania, Daniel; Weiss, L.; Heo, Y.-H.; Billot, Etienne; Olwal, P.; Trogus, Daniel; Rentsch, Jochen; Preu, Ralf |
Konferenzbeitrag Conference Paper |
2012 | Passivation of inline wet chemically polished surfaces for industrial PERC devices Schwab, C.; Wolf, Andreas; Graf, M.; Nekarda, Jan F.; Kästner, G.; Zimmer, Martin; Kühnhold-Pospischil, Saskia; Hofmann, Marc; Biro, Daniel; Preu, Ralf |
Zeitschriftenaufsatz Journal Article |
2011 | Surface Passivation of Highly and Lowly Doped P-Type Silicon Surfaces with PECVD Al2O3 for Industrially Applicable Solar Cell Concepts Saint-Cast, Pierre; Billot, Etienne; Olwal, P.; Kühnhold-Pospischil, Saskia; Richter, Armin; Hofmann, Marc; Rentsch, Jochen; Preu, Ralf |
Konferenzbeitrag Conference Paper |