PhD theses

2023

  • P. Jäger, Ein verbessertes chemisches Modell der POCl3 Diffusion für hocheffiziente Silizium Solarzellen, PhD thesis, Leibniz Universität Hannover (DOI: 10.15488/13317)
  • M. Diederich, Process development and optical simulation of fully evaporated perovskite solar cells, PhD thesis, Leibniz Universität Hannover (DOI: 10.15488/13268)
  • T. Gewohn, Coloring photovoltaic modules using printed textiles: Fabrication, validation and the prediction of appearance & energy yield, PhD thesis, Leibniz Universität Hannover (DOI: 10.15488/14431)

2022

  • C. Hollemann, Application of poly-Si on oxide junctions as one or both polarities of high-efficiency IBC solar cells, PhD thesis, Leibniz Universität Hannover
  • L. Helmich, Improved understanding of boron-oxygen-related carrier lifetime degradation and regeneration in crystalline silicon solar cells, PhD thesis, Leibniz Universität Hannover (DOI: 10.15488/12476)
  • M. Rienäcker, Three-terminal tandem solar cells enabled by back-contacted bottom cells featuring passivating, carrier-selective polysilicon based junctions, PhD thesis, Leibniz Universität Hannover (DOI: 10.15488/11835)

2021

  • V. Titova, Titanium-oxide-based electron-selective contacts to crystalline silicon: Characterization and application to solar cells, PhD thesis, Leibniz Universität Hannover
  • M.-U. Halbich, Organic selective contacts for crystalline silicon solar cells, PhD thesis, Leibniz Universität Hannover (DOI: 10.15488/10549)
  • A. Dittrich, Entwicklung thermochromer Absorberbeschichtungen und -konzepte für den Einsatz in Solarkollektoren, PhD thesis, Leibniz Universität Hannover (DOI: 10.15488/11379)
  • N. Folchert, Modeling Poly-Si/SiOx/c-Si Junctions for Solar Cells, PhD thesis, Leibniz Universität Hannover (DOI: 10.15488/12102)

2020

  • C. Gemmel, Charge carrier lifetime in epitaxially grown silicon for photovoltaic solar cells fabricated by the porous silicon process, PhD thesis, Leibniz Universität Hannover
  • C. Kruse, Characterization and loss analyses of passivated emitter and rear cells, PhD thesis, Leibniz Universität Hannover (DOI: 10.15488/9941)
  • D. Bredemeier, Light and elevated Temperature Induced Degradation (LeTID) of the carrier lifetime in multicrystalline silicon, 2020, PhD thesis, Leibniz Universität Hannover (DOI: 10.15488/9814)

2019

  • R. Witteck, Analysis of cell to module losses and UV radiation hardness for passivated emitter and rear cells and modules, 2019, PhD thesis, Leibniz Universität Hannover, ISBN: 978-3-8439-4005-4, (DOI: 10.15488/9772)

2018

  • S. Schäfer, Development and analysis of novel light trapping schemes in silicon solar cells, 2018, PhD thesis, Leibniz Universität Hannover (DOI: 10.15488/3736)
  • B. A. Veith-Wolf, Crystalline silicon surface passivation using aluminum oxide : fundamental understanding and application to solar cells, 2018, PhD thesis, Leibniz Universität Hannover (DOI: 10.15488/3685)

2017

  • S. Wolter, Mesoporöse Siliziumschichten als Anodenmaterial für Lithium-Ionen-Batterien: Syntheserouten und Charakterisierung, 2017, PhD thesis, Leibniz Universität Hannover

2016

  • U. Römer, Polycrystalline silicon / monocrystalline silicon junctions and their application as passivated contacts for Si solar cells, 2016, PhD thesis, Leibniz Universität Hannover
  • N. Wehmeier, Fabrication and analysis of co-diffused n-type silicon solar cells applying plasma-deposited diffusion sources, 2016, PhD thesis, Leibniz Universität Hannover
  • H. Hannebauer, Optimierung der Vorderseitenmetallisierung und des Emitters für hocheffiziente industrielle Silizium Solarzellen, 2016, PhD thesis, Leibniz Universität Hannover
  • F. Kiefer, Kontaktierung Ionen-implantierter Boremitter in n-Typ Silizium-Solarzellen mittels Silber/Aluminium-Pasten, 2016, PhD thesis, Leibniz Universität Hannover
  • D. Zielke, Suppressing loss channels in the bulk and at the surface of crystalline silicon solar cells, 2016, PhD thesis, Leibniz Universität Hannover
  • D. Walter, Permanent deactivation of boron-oxygen-related recombination centres in crystalline silicon, 2016, PhD thesis, Leibniz Universität Hannover
  • C. Kranz, Analysis and modeling of the rear side of industrial-type passivated emitter and rear silicon solar cells, 2016, PhD thesis, Leibniz Universität Hannover
  • A. Pazidis, Thermochrome Schichten für Solarabsorber, 2016, PhD thesis, Leibniz Universität Hannover

2015

  • S. Jack, Betrachtungen zum Nutzwärmestrompfad von solarthermischen Kollektoren mit Wärmerohren, 2015, PhD thesis at the Department of Solar and System Engineering, Universität Kassel
  • R. Gogolin, Analysis and optimization of a-Si:H/c-Si heterojunction solar cells, 2015, PhD thesis, Leibniz Universität Hannover
  • M. Vogt, Development of Physical Models for the Simulation of Optical Properties of Solar Cell Modules, 2015, PhD thesis, Leibniz Universität Hannover
  • H. Schulte-Huxel, Laser microspot welding for interconnection of back-contacted silicon solar cells, 2015, PhD thesis, Leibniz Universität Hannover
  • H. Holst, Development and application of a modular ray tracing framework to multi-scale simulations in photovoltaics, 2015, PhD thesis, Leibniz Universität Hannover
  • C. Schinke, Uncertainty of the coefficient of band-to-band absorption of crystalline silicon, 2015, PhD thesis, Leibniz Universität Hannover

2014

  • T. Ohrdes, Charakterisierungsmethoden und simulationsgestützte Analysen von Silizium-Solarzellen, 2014, PhD thesis, Leibniz Universität Hannover
  • J.H. Petermann, Prozessentwicklung und Verlustanalysen für dünne monokristalline Siliziumsolarzellen und deren Prozessierung auf Modullevel, 2014, PhD thesis, Leibniz Universität Hannover
  • J. Nehmann, Investigation of HF-based electrochemical etching solutions for porous silicon, 2014, PhD thesis, Leibniz Universität Hannover
  • F. Werner, Atomic layer deposition of aluminum oxide on crystalline silicon: Fundamental interface properties and application to solar cells, 2014, PhD thesis, Leibniz Universität Hannover
  • E. Bertram, Heat Pump Systems with Vertical Borehole Heat Exchanger and Uncovered Solar Thermal Collectors, 2014, PhD thesis at the Faculty of Architecture – Technical equipment of buildings, Leibniz Universität Hannover

2013

  • S. Herlufsen, Characterization of crystalline silicon based on measurements of the photoluminescence emission, 2013, PhD thesis, Leibniz Universität Hannover
  • S. Gatz, Analysis and optimisation of industrial type rear-passivated silicon solar cells, 2013, PhD thesis, Leibniz Universität Hannover
  • M. Kessler , BBr3 boron diffusion process für p+ emitter formation of n-type silicon solar cells, 2013, PhD thesis, Leibniz Universität Hannover
  • M. Ernst, Macroporous silicon for crystalline thin-film solar cells, 2013, PhD thesis, Leibniz Universität Hannover
  • J. Müller, Characterisation of local aluminum alloyed contacts to silicon solar cells, 2013, PhD thesis, Leibniz Universität Hannover
  • F. Haase, Loss analysis of back-contact back-junction thin-film monocrystalline silicon solar cells, 2013, PhD thesis, Leibniz Universität Hannover
  • C. Ulzhöfer, Emitter-wrap-through solar cells: Processing, characterization, device modeling, 2013, PhD thesis, Leibniz Universität Hannover

2012

  • N. Ehrmann, Development of selective coating systems for solar-thermal flat-plate collectors, 2012, PhD thesis, Leibniz Universität Hannover
  • D. Hinken, Luminescence-based characterization of crystalline silicon solar cells, 2012, PhD thesis, Leibniz Universität Hannover
  • C. Mader, In-line high-rate evaporation of aluminum for the metallization of silicon solar cells, 2012, PhD thesis, Leibniz Universität Hannover
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2011

  • U. Eitner, Thermomechanics of photovoltaic modules, 2011, PhD thesis, Martin-Luther-Universität Halle-Wittenberg
  • S. Steingrube, Recombination models for defects in silicon solar cells, 2011, PhD thesis, Leibniz Universität Hannover
  • R. Bock, Screen-printed aluminum-doped p+ emitters for the application to n-type silicon solar cells, 2011, PhD thesis, Leibniz Universität Hannover
  • B. Lim, Boron-oxygen-related recombination centers in crystalline silicon and the effects of dopant-compensation, 2011, PhD thesis, Leibniz Universität Hannover

2010

  • S. Herrmann, Laserstrahlablation von SiO2-Passivierschichten mit Anwendung auf die RISE-EWT-Solarzelle, 2010, PhD thesis, Leibniz Universität Hannover