Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2018Amorphous silicon carbide rear-side passivation and reflector layer stacks for multi-junction space solar cells based on germanium substrates
Janz, S.; Weiss, C.; Mohr, C.; Kurstjens, R.; Boizot, B.; Fuhrmann, B.; Khorenko, V.
Conference Paper
2018Novel approach for the bonding of III-V on silicon tandem solar cells with a transparent conductive adhesive
Heitmann, Ulrike; Kluska, S.; Bartsch, Jonas; Hauser, Hubert; Ivanov, Alexy; Janz, Stefan
Conference Paper
2018Optimization of inline processes for the production of freestanding epitaxially grown thin films for solar cells
Ivanov, Alexey; Sorgenfrei, R.; Gust, Elke; Barth, Philipp; Nieuwenhuysen, Kris van; Kühnhold-Pospischil, Saskia; Riepe, Stephan; Janz, Stefan
Conference Paper
2018Potential analysis of a rear-side passivation for multi-junction space solar cells based on germanium substrates
Weiss, Charlotte; Schön, Jonas; Höhn, Oliver; Mohr, Christian; Kurstjens, Rufi; Boizot, Bruno; Janz, Stefan
Conference Paper
2018Rapid vapor-phase direct doping for high-efficiency solar cells
Kühnhold-Pospischil, Saskia; Steinhauser, Bernd; Richter, Armin; Gust, Elke; Janz, Stefan
Journal Article
201720% efficient solar cells fabricated from epitaxially grown and freestanding n-type wafers
Milenkovic, N.; Driessen, M.; Steinhauser, B.; Benick, J.; Lindekugel, S.; Hermle, M.; Janz, S.; Reber, S.
Journal Article
2017Amorphous silicon carbide rear-side passivation and reflector layer stacks for multi-junction space solar cells based on germanium sustrates
Janz, Stefan; Weiss, Charlotte; Mohr, Christian; Kurstjens, Rufi; Boizot, Bruno; Fuhrmann, Bianca; Khorenko, Victor
Conference Paper
2017MOVPE Grown Gallium Phosphide-Silicon Heterojunction Solar Cells
Feifel, M.; Ohlmann, J.; Benick, J.; Rachow, T.; Janz, S.; Hermle, M.; Dimroth, F.; Belz, J.; Beyer, A.; Volz, K.; Lackner, D.
Journal Article
2017Origin and impact of crystallographic defects in epitaxially grown Si wafers
Janz, S.; Amiri, D.; Gust, E.; Kühnhold-Pospischil, S.; Riepe, S.; Heinz, F.; Drießen, M.
Conference Paper
2017Rapid vapor-phase direct diffused emitter for solar cell applications
Kühnhold-Pospischil, S.; Gust, E.; Amiri, D.; Richter, A.; Steinhauser, B.; Drießen, M.; Michl, B.; Greulich, J.; Benick, J.; Lindekugel, S.; Janz, S.
Conference Paper
2016Degradation of silicon wafers at high temperatures for epitaxial deposition
Rachow, T.; Reber, S.; Janz, S.; Knapp, M.; Milenkovic, N.
Journal Article
2016Epitaxial N-type silicon solar cells with 20% efficiency
Milenkovic, N.; Drießen, M.; Steinhauser, B.; Benick, J.; Lindekugel, S.; Hermle, M.; Janz, S.; Reber, S.
Conference Paper
2016Formation of silicon nanocrystals in silicon carbide using flash lamp annealing
Weiss, C.; Schnabel, M.; Prucnal, S.; Hofmann, J.; Reichert, A.; Fehrenbach, T.; Skorupa, W.; Janz, S.
Journal Article
2016Gallium phosphide window layer for silicon solar cells
Feifel, M.; Rachow, T.; Benick, J.; Ohlmann, J.; Janz, S.; Hermle, M.; Dimroth, F.; Lackner, D.
Journal Article
2016Influence of metal-organic vapor phase epitaxy reactor environment on the silicon bulk lifetime
Ohlmann, J.; Feifel, M.; Rachow, T.; Benick, J.; Janz, S.; Dimroth, F.; Lackner, D.
Journal Article
2016Minority carrier lifetime limitations in Si wafer solar cells with gallium phosphide window layers
Janz, S.; Feifel, M.; Ohlmann, J.; Benick, J.; Weiss, C.; Hermle, M.; Bett, A.W.; Dimroth, F.; Lackner, D.
Conference Paper
2016Monolithic Si nanocrystal/crystalline Si tandem cells involving Si nanocrystals in SiC
Schnabel, M.; Canino, M.; Schillinger, K.; Löper, P.; Summonte, C.; Wilshaw, P.R.; Janz, S.
Journal Article
2016Silicon nanocrystals embedded in silicon carbide as a wide-band gap photovoltaic material
Lopez-Vidrier, J.; Löper, P.; Schnabel, M.; Hernandez, S.; Canino, M.; Summonte, C.; Janz, S.; Garrido, B.
Journal Article
2016Solar cells with 20% efficiency and lifetime evaluation of epitaxial wafers
Drießen, M.; Amiri, D.; Milenkovic, N.; Steinhauser, B.; Lindekugel, S.; Benick, J.; Reber, S.; Janz, S.
Journal Article, Conference Paper
2015Absorption and emission of silicon nanocrystals embedded in SiC: Eliminating Fabry-Pérot interference
Schnabel, M.; Summonte, C.; Dyakov, S.; Lopez-Conesa, L.; Löper, P.; Janz, S.; Wilshaw, P.R.; Canino, M.
Journal Article
2015Charge transport in nanocrystalline SiC with and without embedded Si nanocrystals
Schnabel, M.; Canino, M.; Kühnold-Pospischil, S.; Lopez-Vidrier, J.; Klugermann, T.; Weiss, C.; Lopez-Conesa, L.; Zschintzsch-Dias, M.; Summonte, C.; Löper, P.; Janz, S.; Wilshaw, P.R.
Journal Article
2015Development of integrated interconnected crystalline silicon thin film solar cells
Pavlovic, R.; Lindekugel, S.; Janz, S.; Reber, S.
Journal Article
2015Emitters grown by rapid vapour-phase direct doping for high efficiency solar cells
Lindekugel, S.; Rachow, T.; Milenkovic, N.; Richter, A.; Benick, J.; Janz, S.; Reber, S.
Conference Paper
2015Epitaxial growth of high quality n-type silicon foils in a quasi-inline APCVD reactor
Milenkovic, N.; Rachow, T.; Janz, S.; Reber, S.
Journal Article, Conference Paper
2015Lifetime limitations of epitaxial P- and N-type Si foils
Janz, S.; Milenkovic, N.; Drießen, M.; Reber, S.
Conference Paper
2015N-type and P-type silicon foils fabricated in a quasi-inline EPI reactor with bulk lifetimes exceeding 500 µs
Janz, S.; Milenkovic, N.; Drießen, M.; Reber, S.
Conference Paper
2015Phosporus diffusion in nanocrystalline 3C-SiC
Schnabel, M.; Bakr Siddique, A.; Janz, S.; Wilshaw, P.R.
Journal Article
2015Porous silicon reorganization: Influence on the structure, surface roughness and strain
Milenkovic, N.; Drießen, M.; Weiss, C.; Janz, S.
Journal Article
2015Prototype PV cells with Si nanoclusters
Janz, S.; Löper, P.; Schnabel, M.
Book Article
2015Self-assembled silicon nanocrystal arrays for photovoltaics
Schnabel, M.; Weiss, C.; Löper, P.; Wilshaw, P.R.; Janz, S.
Journal Article
2015Solar cells with epitaxial or gas phase diffused emitters above 21% efficiency
Rachow, T.; Milenkovic, N.; Steinhauser, B.; Benick, J.; Janz, S.; Hermle, M.; Reber, S.
Journal Article, Conference Paper
2015Structural and optical properties of silicon nanocrystals embedded in silicon carbide
Weiss, C.; Schnabel, M.; Reichert, A.; Löper, P.; Janz, S.
Journal Article
2015Structural parameters effect on the electrical and electroluminescence properties of silicon nanocrystals/SiO2 superlattices
Lopez-Vidrier, J.; Berencen, Y.; Hernandez, S.; Mundet, B.; Gutsch, S.; Laube, J.; Hiller, D.; Löper, P.; Schnabel, M.; Janz, S.; Zacharias, M.; Garrido, B.
Journal Article
2014Absence of quantum confinement effects in the photoluminescence of Si3N4-embedded Si nanocrystals
Hiller, D.; Zelenina, A.; Gutsch, S.; Dyakov, S.A.; Lopez-Conesa, L.; Lopez-Vidrier, J.; Estrade, S.; Peiro, F.; Garrido, B.; Valenta, J.; Korinek, M.; Trojanek, F.; Maly, P.; Schnabel, M.; Weiss, C.; Janz, S.; Zacharias, M.
Journal Article
2014Boron diffusion in nanocrystalline 3C-SiC
Schnabel, M.; Weiss, C.; Canino, M.; Rachow, T.; Löper, P.; Summonte, C.; Mirabella, S.; Janz, S.; Wilshaw, P.R.
Journal Article
2014Electrical and electroluminescence properties of silicon nanocystals/SiO2 superlattices
López-Vidrier, J.; Berencén, Y.; Mundet, B.; Hernández, S.; Gutsch, S.; Hiller, D.; Löper, P.; Schnabel, M.; Janz, S.; Zacharias, M.; Garrido, B.
Conference Paper
2014Electrical and optical characterisation of silicon nancrystals embedded in SiC
Schnabel, M.; Löper, P.; Canino, M.; Dyakov, S.A.; Allegrezza, M.; Bellettato, M.; Lopez-Vidrier, J.; Hernandez, S.; Summonte, C.; Garrido, B.; Wilshaw, P.R.; Janz, S.
Conference Paper
2014Epitaxial n- and p-Type Emitters for High Efficiency Solar Cell Concepts
Rachow, T.; Milenkovic, N.; Heinz, F.; Steinhauser, B.; Janz, S.; Reber, S.
Journal Article
2014Erratum: "Influence of boron doping and hydrogen passivation on recombination of photoexcited charge carriers in silicon nanocrystal/SiC multilayers" [J. Appl. Phys. 114, 073101 (2013)]
Korinek, M.; Schnabel, M.; Canino, M.; Kozak, M.; Trojanek, F.; Salava, J.; Löper, P.; Janz, S.; Summonte, C.; Maly, P.
Journal Article
2014High-bandgap silicon nanocrystal solar cells: Device fabrication, characterization, and modeling
Löper, P.; Canino, M.; Schnabel, M.; Summonte, C.; Janz, S.; Zacharias, M.
Book Article
2014High-throughput Si foil technologies at Fraunhofer ISE
Janz, S.; Driessen, M.; Milenkovic, N.; Keller, M.; Gust, E.; Reber, S.
Conference Paper
2014Nanocrystalline SiC formed by annealing of a-SiC:H on Si substrates: A study of dopant interdiffusion
Schnabel, M.; Weiss, C.; Löper, P.; Canino, M.; Summonte, C.; Wilshaw, P.R.; Janz, S.
Journal Article
2014Process control and defect analysis for crystalline silicon thin films for photovoltaic applications by the means of electrical and spectroscopic microcharacterization tools
Breitwieser, M.; Heinz, F.; Rachow, T.; Kasemann, M.; Janz, S.; Warta, W.; Schubert, M.C.
Journal Article
2014Publisher's note: Boron diffusion in nanocrystalline 3C-SiC [Appl. Phys. Lett. 104, 213108 (2014)]
Schnabel, M.; Weiss, C.; Canino, M.; Rachow, T.; Löper, P.; Summonte, C.; Mirabella, S.; Janz, S.; Wilshaw, P.R.
Journal Article
2014Reorganization of Porous Silicon. Effect on Epitaxial Layer Quality and Detachment
Milenkovic, N.; Drießen, M.; Gust, E.; Janz, S.; Reber, S.
Conference Paper, Journal Article
2014Silicon nanocrystals in carbide matrix
Summonte, C.; Allegrezza, M.; Bellettato, M.; Liscio, F.; Canino, M.; Desalvo, A.; Lopez-Vidrier, J.; Hernandez, S.; Lopez-Conesa, L.; Estrade, S.; Peiro, F.; Garrido, B.; Löper, P.; Schnabel, M.; Janz, S.; Guerra, R.; Ossicini, S.
Journal Article
2013Annealing of nm-thin Si1-xCx/SiC multilayers
Künle, M.; Janz, S.; Nickel, K.G.; Heidt, A.; Luysberg, M.; Eibl, O.
Journal Article
2013Charge transport and electroluminescence of silicon nanocrystals/SiO2 superlattices
Lopez-Vidrier, J.; Berencén, Y.; Hernández, S.; Blázquez, O.; Gutsch, S.; Laube, J.; Hiller, D.; Löper, P.; Schnabel, M.; Janz, S.; Zacharias, M.; Garrido, B.
Journal Article
2013Correction to "Silicon nanocrystals embedded in silicon carbide: Investigation of charge carrier transport and recombination" (vol 102, 033507, 2013)
Loper, P.; Canino, M.; Qazzazie, D.; Schnabel, M.; Allegrezza, M.; Summonte, C.; Glunz, S.W.; Janz, S.; Zacharias, M.
Journal Article
2013Identification and tackling of a parasitic surface compound in SiC and Si-rich carbide films
Canino, M.; Summonte, C.; Allegrezza, M.; Shukla, R.; Jain, I.P.; Bellettato, M.; Desalvo, A.; Mancarella, F.; Sanmartin, M.; Terrasi, A.; Löper, P.; Schnabel, M.; Janz, S.
Journal Article
2013Influence of boron doping and hydrogen passivation on recombination of photoexcited charge carriers in silicon nanocrystal/SiC multilayers
Korinek, M.; Schnabel, M.; Canino, M.; Kozak, M.; Trojanek, F.; Salava, J.; Löper, P.; Janz, S.; Summonte, C.; Maly, P.
Journal Article
2013IntegRex - process development of a module interconnection concept for thin crystalline silicon films
Pavlovic, R.; Lindekugel, S.; Janz, S.; Reber, S.
Conference Paper
2013Lifetime measurements of crystalline silicon thin films by microwave photo conductance decay
Rachow, T.; Flatten, L.; Schillinger, K.; Janz, S.; Reber, S.
Conference Paper
2013Novel silicon nanocrystal materials for photovoltaic applications
Weiss, C.; Janz, S.; Rumpel, M.; Schnabel, M.; Löper, P.
Conference Paper
2013Potential and limitations of epitaxial emitters
Rachow, T.; Milenkovic, N.; Heinz, F.; Breitwieser, M.; Steinhauser, B.; Janz, S.; Reber, S.
Conference Paper
2013Processing and characterisation of tandem solar cells from crystalline silicon materials
Janz, S.; Schnabel, M.; Löper, P.; Summonte, C.; Canino, M.; Lopez-Vidrier, J.; Hernandez, S.; Garrido, B.; Glunz, S.W.
Conference Paper
2013Recrystallized silicon thin-film solar cells on zircon ceramics
Schillinger, K.; Janz, S.; Reber, S.
Conference Paper
2013Silicon nanocrystals embedded in silicon carbide: Investigation of charge carrier transport and recombination
Löper, P.; Canino, M.; Qazzazie, D.; Schnabel, M.; Allegrezza, M.; Summonte, C.; Glunz, S.W.; Janz, S.; Zacharias, M.
Journal Article
2013Silicon nanocrystals from high-temperature annealing: Characterization on device level
Löper, P.; Canino, M.; Lopez-Vidrier, J.; Schnabel, M.; Schindler, F.; Heinz, F.; Witzky, A.; Bellettato, M.; Allegrezza, M.; Hiller, D.; Hartel, A.; Gutsch, S.; Hernandez, S.; Guerra, R.; Ossicini, S.; Garrido, B.; Janz, S.; Zacharias, M.
Journal Article
2013Silicon nanocrystals produced by solid phase crystallisation of superlattices for photovoltaic applications
Janz, S.; Löper, P.; Schnabel, M.
Journal Article
2013Structural, optical and electrical properties of silicon nanocrystals embedded in SixC1-x/SiC multilayer systems for photovoltaic applications
López-Vidrier, J.; Hernández, S.; Samà, J.; Canino, M.; Allegrezza, M.; Bellettato, M.; Shukla, R.; Schnabel, M.; Löper, P.; López-Conesa, L.; Estradé, S.; Peiró, F.; Janz, S.; Garrido, B.
Journal Article
2013Thermal oxidation and encapsulation of silicon-carbon nanolayers
Schnabel, M.; Löper, P.; Gutsch, S.; Wilshaw, P.R.; Janz, S.
Journal Article
2012Analysis of the temperature dependence of the open-circuit voltage
Löper, P.; Pysch, D.; Richter, A.; Hermle, M.; Janz, S.; Zacharias, M.; Glunz, S.W.
Journal Article, Conference Paper
2012Epitaxial wafer equivalent solar cells with overgrown SiO2 reflector
Drießen, M.; Janz, S.; Reber, S.
Journal Article, Conference Paper
2012Formation of high efficiency epitaxial emitters by APCVD
Rachow, T.; Milenkovic, N.; Janz, S.; Reber, S.
Journal Article, Conference Paper
2012High quality silicon films from halogen lamp melting for new thin-film solar cell and module concepts
Janz, S.; Lindekugel, S.; Pavlovic, R.; Schillinger, K.; Rachow, T.; Reber, S.
Conference Paper
2012Integrated interconnection of crystalline silicon thin film solar cells
Pavlovic, R.; Janz, S.; Reber, S.
Conference Paper
2012Intermediate layer and back surface field optimisations for the recrystallised wafer equivalent
Lindekugel, S.; Rachow, T.; Janz, S.; Reber, S.
Conference Paper
2012Investigations on crystal quality of thin silicon films prepared by zone melting recrystallization on different intermediate layers and cost effective substrates
Schillinger, K.; Rachow, T.; Flatten, L.; Janz, S.; Reber, S.
Conference Paper
2012A membrane device for substrate-free photovoltaic characterization of quantum dot based p-i-n solar cells
Löper, P.; Stüwe, D.; Künle, M.; Bivour, M.; Reichel, C.; Neubauer, R.; Schnabel, M.; Hermle, M.; Eibl, O.; Janz, S.; Zacharias, M.; Glunz, S.W.
Journal Article
2012Photonic Structures for a Solar Cell-Upconversion-System
Herter, B.; Peters, M.; Janz, S.; Hermle, M.; Goldschmidt, J.C.
Journal Article
2012Photovoltaic properties of silicon nanocrystals in silicon carbide
Löper, P.; Witzky, A.; Hartel, A.; Gutsch, S.; Hiller, D.; Goldschmidt, J.C.; Janz, S.; Glunz, S.W.; Zacharias, M.
Conference Paper
2012Silicon quantum dots in photovoltaic devices: Device fabrication, characterization and comparison of materials
Löper, P.; Canino, M.; Lopez-Vidrier, J.; Schnabel, M.; Witzky, A.; Belletato, M.; Allegrezza, M.; Hiller, D.; Hartel, A.; Gutsch, S.; Hernandez, S.; Guerra, R.; Ossicini, S.; Garrido, B.; Janz, S.; Zacharias, M.
Conference Paper
2012Simulation and characterization of epitaxial n- and p-type emitters on silicon wafer solar cells
Milenkovic, N.; Rachow, T.; Heinz, F.; Reber, S.; Janz, S.
Journal Article, Conference Paper
2011Atmospheric pressure chemical vapour deposition of 3C-SiC for silicon thin-film solar cells on various substrates
Schillinger, K.; Janz, S.; Reber, S.
Journal Article
2011C-Si wafer-equivalent epitaxial thin-film solar cells on isolating substrates
Mitchell, E.J.; Lindekugel, S.; Künle, M.; Schillinger, K.; Janz, S.; Reber, S.
Journal Article
2011Calculation of the Quasi Fermi-Level Splitting in an Ideal Superlattice of Silicon Nanocrystals
Müller, R.; Löper, P.; Hiller, D.; Gutsch, S.; Keding, R.; Reichel, C.; Bivour, M.; Hermle, M.; Janz, S.; Goldschmidt, J.C.; Zacharias, M.; Glunz, S.W.
Conference Paper
2011Changes in chemical composition and nanostructure of SiC thin films prepared by PECVD during thermal annealing
Künle, M.; Janz, S.; Nickel, K.G.; Eibl, O.
Journal Article
2011Direct Deposition of µc-Si Films with APCVD on Borosilicate Glass
Rachow, T.; Künle, M.; Janz, S.; Reber, S.
Conference Paper
2011Electrical Properties of Recrystallised SiC Films from PECVD Precursors for Silicon Quantum Dot Solar Cell Applications
Schnabel, M.; Witzky, A.; Löper, P.; Gradmann, R.; Künle, M.; Janz, S.
Conference Paper
2011A laser based process for the formation of a local back surface field for n-type silicon solar cells
Jäger, U.; Suwito, D.; Benick, J.; Janz, S.; Preu, R.
Journal Article
2011Nanostructured Back Side Reflectors for Silicon Solar Cells
Eisenlohr, J.; Benick, J.; Peters, M.; Höhn, O.; Janz, S.; Goldschmidt, J.C.; Bläsi, B.; Hermle, M.; Glunz, S.W.
Conference Paper
2011The NASCEnT Project
Janz, S.; Löper, P.; Schnabel, M.; Zacharias, M.; Hiller, D.; Gutsch, S.; Hartel, A.M.; Summonte, C.; Canino, M.; Allegrezza, M.; Ossicini, S.; Guerra, R.; Marri, I.; Garrido, B.; Hernandez, S.; Lopez-Vidrier, J.; Valenta, J.; Kubera, T.; Foti, M.
Conference Paper
2011One-Dimensional SiC Photonic Structures to Enhance the Efficiency of Systems with Silicon Solar Cells and Upconverters
Herter, B.; Peters, M.; Janz, S.; Hermle, M.; Goldschmidt, J.C.
Conference Paper
2011Optoelectronic Properties of Silicon Quantum Dots
Löper, P.; Hiller, D.; Janz, S.; Hermle, M.; Glunz, S.W.; Zacharias, M.
Conference Paper
2011Quasi-fermi-level splitting in ideal silicon nanocrystal superlattices
Löper, P.; Müller, R.; Hiller, D.; Barthel, T.; Malguth, E.; Janz, S.; Goldschmidt, J.C.; Hermle, M.; Zacharias, M.
Journal Article
2011Si and SiC nanocrystals in an amorphous SiC matrix
Gradmann, R.; Loeper, P.; Künle, M.; Rothfelder, M.; Janz, S.; Hermle, M.; Glunz, S.
Journal Article
2011Solarmodul mit integrierter Verschaltung sowie Verfahren zu dessen Herstellung
Janz, S.; Lindekugel, S.; Reber, S.; Jaus, J.; Schillinger, K.
Patent
2011Solid Phase Crystallisation and Rapid Thermal Annealing Processes for Crystalline Silicon on Glass in a Moveable Two Sided Halogen Lamp Oven
Lindekugel, S.; Flatten, L.; Janz, S.; Dore, J.
Conference Paper
2011Verfahren zur Herstellung eines Halbleiterbauelements und Halbleiterbauelement
Löper, Philipp; Müller, Ralph; Janz, S.; Hermle, M.; Glunz, S.; Goldschmidt, j.-C.
Patent
2011Waferäquivalent, Verfahren zu dessen Herstellung sowie Verwendung
Janz, S.; Mitchell, E.; Lindekugel, S.
Patent
2010Amorphous SiC layers for electrically conductive rugate filters in silicon based solar cells
Janz, S.; Peters, M.; Künle, M.; Gradmann, R.; Suwito, D.
Conference Paper
2010Amorphous SixC1-x:H single layers before and after thermal annealing: Correlating optical and structural properties
Hartel, A.M.; Künle, M.; Löper, P.; Janz, S.; Bett, A.W.
Journal Article
2010Carrier confinement and transport in high band gap materials with embedded Si quantum dots
Löper, P.; Hiller, D.; Künle, M.; Gradmann, R.; Rothfelder, M.; Janz, S.; Hermle, M.; Zacharias, M.; Glunz, S.W.
Conference Paper
2010Crystalline SiC deposited by APCVD as a multifunctional intermediate layer for the recrystallised wafer equivalent
Schillinger, K.; Lindekugel, S.; Mbobda, S.A.; Janz, S.
Conference Paper
2010Diffractive gratings in solar cells and how to model them
Peters, M.; Goldschmidt, J.C.; Rüdiger, M.; Voisin, P.; Hauser, H.; Janz, S.; Hermle, M.; Bläsi, B.
Conference Paper
2010Epitaxial lateral overgrowth with silicon over SiO2 with rapid thermal CVD for light trapping in crystalline silicon thin film solar cells
Drießen, M.; Janz, S.; Reber, S.
Conference Paper
2010Highly reflective intermediate layers in crystalline silicon thin film solar cell
Lindekugel, S.; Künle, M.; Janz, S.; Reber, S.
Conference Paper
2010Industrially feasible rear passivation and contacting scheme for high-efficiency n-type solar cells yielding a V-oc of 700 mV
Suwito, D.; Jäger, U.; Benick, J.; Janz, S.; Hermle, M.; Glunz, S.W.
Journal Article
2010Industrially feasible rear side concept for n-type silicon solar cells approaching 700 mV of Voc
Suwito, D.; Jäger, U.; Benick, J.; Janz, S.; Hermle, M.; Preu, R.; Glunz, S.W.
Conference Paper
2010Plasma texturing of thin film solar cells
Keller, M.; Janz, S.; Reber, S.; Lindekugel, S.
Conference Paper
2010Realization and evaluation of diffractive systems on the back side of silicon solar cells
Berger, P.; Hauser, H.; Suwito, D.; Janz, S.; Peters, M.; Bläsi, B.; Hermle, M.
Conference Paper
2010Si-rich a-SiC:H thin films: Structural and optical transformations during thermal annealing
Künle, M.; Kaltenbach, T.; Löper, P.; Hartel, A.; Janz, S.; Eibl, O.; Nickel, K.G.
Journal Article
2010Silicon nanocrystals in SiC: The influence of doping on crystallisation and electrical properties
Gradmann, R.; Löper, P.; Künle, M.; Rothfelder, M.; Janz, S.; Hermle, M.; Glunz, S.W.
Conference Paper
2010A simple laser based process for the formation of a LBSF for n-type silicon solar cells
Jäger, U.; Suwito, D.; Benick, J.; Janz, S.; Hermle, M.; Glunz, S.W.; Preu, R.
Conference Paper
2010Stacks of a-SiCx layers on planar and textured surfaces for the solar cell front side on both n+ and p+-emitters
Steinhauser, B.; Suwito, D.; Janz, S.; Hermle, M.
Conference Paper
2010Structural and optical characterization of Si quantumdots in a SiC matrix
Kuenle, M.; Löper, P.; Rothfelder, M.; Janz, S.; Nickel, K.-G.; Eibl, O.
Conference Paper
2009Further investigations in optical confinement and solar cell processing for crystalline silicon thin film solar cells
Lindekugel, S.; Mitchell, E.J.; Künle, M.; Janz, S.; Reber, S.
Conference Paper
2009High voc crystalline silicon thin film solar cells through recrystallised wafer equivalent applied to sintered silicon
Grau, M.; Blangis, D.; Lindekugel, S.; Janz, S.; Reber, S.; Straboni, A.
Conference Paper
2009High-efficiency silicon solar cells with intrinsic and doped A-SiCx rear side passivation
Suwito, D.; Janz, S.; Hermle, M.; Glunz, S.W.
Conference Paper
2009The influence of annealing on the passivation quality of A-SiCX:H on crystalline silicon and germanium surfaces
Suwito, D.; Fernandez, J.; Janz, S.; Dimroth, F.; Glunz, S.W.
Conference Paper
2009Kristalline Siliciumschicht auf einem Substrat, Verfahren zu deren Herstellung und Verwendung
Janz, S.; Lindekugel, S.; Reber, S.
Patent
2009Nanostructure and phase formation in annealed a-Si1-xCx:H thin films for advanced silicon solar cells
Künle, M.; Hartel, A.; Löper, P.; Janz, S.; Eibl, O.
Conference Paper
2009Optical confinement for thin-film solar cells by gaseous HCL etching
Drießen, M.; Schmich, E.; Janz, S.; Reber, S.
Conference Paper
2009Overview on crystalline silicon solar cells using PECVD rear passivation and laser-fired contacts
Hofmann, M.; Saint-Cast, P.; Suwito, D.; Seiffe, J.; Schmidt, C.; Kambor, S.; Gautero, L.; Kohn, N.; Nekarda, J.-F.; Leimenstoll, A.; Wagenmann, D.; Erath, D.; Catoir, J.; Wolke, W.; Janz, S.; Biro, D.; Grohe, A.; Rentsch, J.; Glunz, S.W.; Preu, R.
Conference Paper
2009Photonic crystals as rear-side diffusers and reflectors for high efficiency silicon solar cells
Janz, S.; Voisin, P.; Suwito, D.; Peters, M.; Hermle, M.; Glunz, S.W.
Conference Paper
2009Potentials and development of amorphous silicon carbide heterojunction solar cells
Pysch, D.; Ziegler, J.; Becker, J.-P.; Suwito, D.; Janz, S.; Glunz, S.W.; Hermle, M.
Conference Paper
2009Preparation of Si-quantumdots in SiC: single layer vs multi layer approach
Künle, M.; Hartel, A.; Löper, P.; Janz, S.; Eibl, O.
Conference Paper
2009Recent developments in rear-surface passivation at Fraunhofer ISE
Hofmann, M.; Janz, S.; Schmidt, C.; Kambor, S.; Suwito, D.; Kohn, N.; Rentsch, J.; Preu, R.; Glunz, S.W.
Conference Paper, Journal Article
2009Silicon quantum dot absorber layers for all-silicon tandem solar cells: Optical and electrical characterisation
Löper, P.; Hartel, A.; Künle, M.; Hiller, D.; Janz, S.; Hermle, M.; Zacharias, M.; Glunz, S.W.
Conference Paper
2009Silicon quantum dot superstructures for all-silicon tandem solar cells
Löper, P.; Hartel, A.; Künle, M.; Goldschmidt, J.C.; Peters, M.; Janz, S.; Hermle, M.; Glunz, S.W.; Zacharias, M.
Conference Paper
2009Stretched-exponential increase in the open-circuit voltage induced by thermal annealing of amorphous silicon-carbide heterojunction solar cells
Pysch, D.; Ziegler, J.; Becker, J.P.; Suwito, D.; Janz, S.; Glunz, S.W.; Hermle, M.
Journal Article
2009Thermal annealing of SiC thin films with varying stoichiometry
Künle, M.; Janz, S.; Eibl, O.; Berthold, C.; Presser, V.; Nickel, K.G.
Conference Paper, Journal Article
2009Thermally activated p- and n-doped passivation layers
Seiffe, J.; Suwito, D.; Korte, L.; Hofmann, M.; Janz, S.; Rentsch, J.; Preu, R.
Conference Paper
2009Using spectroscopic ellipsometry for the characterisation of thin films for advanced photovoltaic concepts
Rothfelder, M.; Bläsi, B.; Peters, M.; Künle, M.; Janz, S.
Conference Paper
2008Advanced concepts for high-efficiency germanium photovoltaic cells
Fernandez, J.; Janz, S.; Suwito, D.; Oliva, E.; Dimroth, F.
Conference Paper
2008Advanced optical confinement and further improvements for crystalline silicon thin-film solar cells
Janz, S.; Künle, M.; Lindekugel, S.; Mitchell, E.J.; Reber, S.
Conference Paper
2008Advanced upconverter systems with spectral and geometric concentration for high upconversion efficiencies
Goldschmidt, J.C.; Löper, P.; Fischer, S.; Janz, S.; Peters, M.; Glunz, S.W.; Willeke, G.; Lifshitz, E.; Krämer, K.; Biner, D.
Conference Paper
2008Amorphous silicon carbide hetero-emitters for high efficiency silicon solar cells
Janz, S.; Ziegler, J.; Pysch, D.; Suwito, D.; Glunz, S.W.
Conference Paper
2008Detailed study on the passivation mechanism of a-SixC1-x for the solar cell rear side
Suwito, D.; Roth, T.; Pysch, D.; Korte, L.; Richter, A.; Janz, S.; Glunz, S.W.
Conference Paper
2008Material characterization for advanced upconverter systems
Fischer, S.; Goldschmidt, J.C.; Löper, P.; Janz, S.; Peters, M.; Glunz, S.W.; Kigel, A.; Lifshitz, E.; Krämer, K.; Biner, D.; Bauer, G.H.; Brüggemann, R.
Conference Paper
2008Process transfer of a-SixC1-x passivation layers from a laboratory - type to an industrial in-line PECVD reactor
Suwito, D.; Janz, S.; Schetter, C.; Glunz, S.; Roth, K.
Conference Paper
2008Rear-side contact structure for epitaxy wrap-through silicon thin-film solar cells
Mitchell, E.J.; Künle, M.; Kwiatkowska, M.; Janz, S.; Reber, S.
Conference Paper
2008Silicon material technology and evaluation center (SIMTEC) at Fraunhofer ISE - achievements and visions
Riepe, S.; Schumann, M.; Schmich, E.; Janz, S.; Eyer, A.; Reber, S.; Bett, A.W.; Weber, E.R.
Conference Paper
2007Amorphous silicon carbide for photovoltaic applications
Janz, S.
Dissertation
2007Optical confinement in recrystallised wafer equivalent thin film solar cells
Janz, S.; Kuenle, M.; Peters, M.; Lindekugel, S.; Mitchell, E.J.; Reber, S.
Conference Paper
2007Passivation mechanisms of amorphous SixC1-x layers on highly doped and textured Si surfaces
Janz, S.; Suwito, D.; Glunz, S.W.
Conference Paper
2007Plasma texturing of low-defect epitaxial layers
Lindekugel, S.; Schmich, E.; Janz, S.; Reber, S.
Conference Paper
2006Amorphous SiC: Applications for silicon solar cells
Janz, S.; Reber, S.; Glunz, S.W.
Conference Paper
2006Conductive SiC as an intermediate layer for CSITF solar cells
Janz, S.; Reber, S.; Lutz, F.; Schetter, C.
Conference Paper
2006Phosphorus-doped SiC as an excellent p-type Si surface passivation layer
Janz, S.; Riepe, S.; Hofmann, M.; Reber, S.; Glunz, S.
Journal Article
2006Processing of C-Si thin-film solar cell on ceramic substrate with conductive SIC diffusion barrier layer
Janz, S.; Reber, S.; Habenicht, H.; Lautenschlager, H.; Schetter, C.
Conference Paper
2006Solar cell processing of recrystallized wafer equivalents on low-cost ceramics
Janz, S.; Reber, S.; Habenicht, H.; Lindekugel, S.; Lautenschlager, H.; Schetter, C.; Lutz, F.
Conference Paper
2006Surface passivation of silicon solar cells using amorphous silicon carbide layers
Glunz, S.W.; Janz, S.; Hofmann, M.; Roth, T.; Willeke, G.
Conference Paper
2005C-Si thin-film solar cells on ceramic substrates with SiC intermediate layers
Janz, S.; Reber, S.; Habenicht, H.
Conference Paper
2005Comparison of different dielectric passivation layers for application in industrially feasible high-efficiency crystalline silicon solar cells
Glunz, S.W.; Grohe, A.; Hermle, M.; Hofmann, M.; Janz, S.; Roth, T.; Schultz, O.; Vetter, M.; Martin, I.; Ferré, R.; Bermejo, S.; Wolke, W.; Warta, W.; Preu, R.; Willeke, G.
Conference Paper
2005Progress in crystalline silicon thin-film solar cell work at Fraunhofer ISE
Reber, S.; Eyer, A.; Schmich, E.; Haas, F.; Schillinger, N.; Janz, S.
Conference Paper
2005SiC as an intermediate layer for CsiTF solar cells on various substrates
Janz, S.; Reber, S.; Lutz, F.; Schetter, C.
Conference Paper
2004PECVD - SiC as intermediate layer for CSiTF solar cells on ceramic substrates
Janz, S.; Bau, S.; Lutz, F.; Schetter, C.; Reber, S.
Conference Paper
2003Application of PECVD-SIC as intermediate layer in crystalline silicon thin-film solar cells
Bau, S.; Janz, S.; Kieliba, T.; Schetter, C.; Reber, S.; Lutz, F.
Conference Paper
2003Application of SiC as intermediate layer in crystalline silicon thin-film solar cells
Bau, S.; Janz, S.; Kieliba, T.; Schetter, C.; Reber, S.; Lutz, F.
Conference Paper