Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Advanced performance testing of anti-soiling coatings - Pt.I: Sequential laboratory test methodology covering the physics of natural soiling processes
Ilse, K.; Khan, M.Z.; Voicu, N.; Naumann, V.; Hagendorf, C.; Bagdahn, J.
Journal Article
2019Advanced performance testing of anti-soiling coatings - Pt.II: Particle-size dependent analysis for physical understanding of dust removal processes and determination of adhesion forces
Ilse, K.; Khan, M.Z.; Voicu, N.; Naumann, V.; Hagendorf, C.; Bagdahn, J.
Journal Article
2019Dew as a Detrimental Influencing Factor for Soiling of PV Modules
Ilse, K.; Figgis, B.; Khan, M.Z.; Naumann, V.; Hagendorf, C.
Journal Article
2019Local Corrosion of Silicon as Root Cause for Potential-Induced Degradation at the Rear Side of Bifacial PERC Solar Cells
Sporleder, K.; Naumann, V.; Bauer, J.; Richter, S.; Hähnel, A.; Großer, S.; Turek, M.; Hagendorf, C.
Journal Article
2019Microstructural Analysis of Local Silicon Corrosion of Bifacial Solar Cells as Root Cause of Potential-Induced Degradation at the Rear Side
Sporleder, K.; Naumann, V.; Bauer, J.; Richter, S.; Hähnel, A.; Großer, S.; Turek, M.; Hagendorf, C.
Journal Article
2019Particle size-dependent adhesion forces and wind removal efficiency of anti-soiling coatings on textured solar glasses
Ilse, K.K.; Gurumoorthy, H.N.; Bahattab, M.A.; Alqahtani, S.H.; Mirza, M.; Glaubitt, W.; Naumann, V.; Hagendorf, C.; Bagdahn, J.
Journal Article
2019Root cause analysis on corrosive potential-induced degradation effects at the rear side of bifacial silicon PERC solar cells
Sporleder, K.; Naumann, V.; Bauer, J.; Richter, S.; Hähnel, A.; Großer, S.; Turek, M.; Hagendorf, C.
Journal Article
2019Techno-Economic Assessment of Soiling Losses and Mitigation Strategies for Solar Power Generation
Ilse, K.; Micheli, L.; Figgis, B.W.; Lange, K.; Daßler, D.; Hanifi, H.; Wolfertstetter, F.; Naumann, V.; Hagendorf, C.; Gottschalg, R.; Bagdahn, J.
Journal Article
2018Comparing indoor and outdoor soiling experiments for different glass coatings and microstructural analysis of particle caking processes
Ilse, K.K.; Rabanal, J.; Schönleber, L.; Khan, M.Z.; Naumann, V.; Hagendorf, C.; Bagdahn, J.
Journal Article
2018Comprehensive analysis of soiling and cementation processes on PV modules in Qatar
Ilse, K.K.; Figgis, B.W.; Werner, M.; Naumann, V.; Hagendorf, C.; Pöllmann, H.; Bagdahn, J.
Journal Article
2018Fundamentals of soiling processes on photovoltaic modules
Ilse, K.K.; Figgis, B.W.; Naumann, V.; Hagendorf, C.; Bagdahn, J.
Journal Article
2018High-Performance p-Type Multicrystalline Silicon (mc-Si): Its characterization and Projected Performance in PERC Solar Cells
Altermatt, P.; Xiong, Z.; He, Q.; Deng, W.; Ye, F.; Yang, Y.; Chen, Y.; Feng, Z.; Verlinden, P.J.; Liu, A.; Macdonald, D.H.; Luka, T.; Lausch, D.; Turek, M.; Hagendorf, C.; Wagner-Mohnsen, H.; Schön, J.; Kwapil, W.; Frühauf, F.; Breitenstein, O.; Looney, E.E.; Buonassisi, T.; Needleman, D.B.; Jackson, C.M.; Arehart, A.R.; Ringel, S.A.; McIntosh, K.R.; Abbott, M.D.; Sudbury, B.A.; Zuschlag, A.
Journal Article
2018Resistor network modeling of microscopic transfer length measurements at bilayer systems for heterojunction solar cells
Habibi, M.; Kaufmann, K.; Naumann, V.; Hagendorf, C.
Conference Paper
2018Verfahren und Anordnung zur Entstaubung der Oberfläche eines Objekts
Hagendorf, Christian; Ilse, Klemens; Naumann, Volker
Patent
2018Verfahren und Anordnung zur Überwachung des Ritzprozesses beim Ritzen von Bauteilen mit einem Ritzwerkzeug
Ackermann, Thomas; Hagendorf, Christian; Kaufmann, Kai; Meier, Rico; Schönfelder, Stephan
Patent
2017Elemental evolution of the SiOxFy self-masking layer of plasma textured silicon and its modification during air exposure
Gaudig, M.; Hirsch, J.; Naumann, V.; Werner, M.; Grosser, S.; Hagendorf, C.; Bernhard, N.; Lausch, D.
Journal Article
2017Microstructural identification of Cu in solar cells sensitive to light-induced degradation
Luka, T.; Turek, M.; Großer, S.; Hagendorf, C.
Journal Article
2017Microstructural investigation of LID sensitive mc-PERC solar cells
Luka, T.; Turek, M.; Kranert, C.; Großer, S.; Hagendorf, C.
Conference Paper, Journal Article
2017Verfahren und Vorrichtung zur Prüfung von Solarzellen oder Solarmodulen auf Alterungsbeständigkeit
Turek, Marko; Hagendorf, Christian; Luka, Tabea
Patent
2016Advanced metal contamination analysis for high efficiency solar cell manufacturing
Meyer, S.; Wahl, S.; Hagendorf, C.
Journal Article, Conference Paper
2016Fs-laser micro machining for μ-TLM resistivity test structures in photovoltaic TCO multilayers
Krause, S.; Kaufmann, K.; Lancaster, K.; Naumann, V.; Großer, S.; Hagendorf, C.
Conference Paper
2016Indirect ablation of Cu(In, Ga)Se2-layers by ns pulses with a wavelength of 1342 nm
Kaufmann, K.; Hagendorf, C.
Conference Paper
2016Intra-grain versus grain boundary degradation due to illumination and annealing behavior of multi-crystalline solar cells
Luka, T.; Großer, S.; Hagendorf, C.; Ramspeck, K.; Turek, M.
Journal Article
2016Investigations on the formation of stacking fault-like PID-shunts
Naumann, V.; Brzuska, C.; Werner, M.; Großer, S.; Hagendorf, C.
Journal Article, Conference Paper
2016Layer-selective lift-off processing in a TCO/Si thin film system by ultra-short (ps, fs) laser pulses
Krause, Stephan; Miclea, Paul Tiberiu; Seifert, Gerhard; Hagendorf, Christian
Conference Paper
2016Localization of inorganic impurities in silicon samples by sequential etching and ICP-MS detection
Wahl, S.; Meyer, S.; Hagendorf, C.
Journal Article, Conference Paper
2016Microstructural analysis of the cementation process during soiling on glass surfaces in arid and semi-arid climates
Ilse, K.; Werner, M.; Naumann, V.; Figgis, B.W.; Hagendorf, C.; Bagdahn, J.
Journal Article
2016Quantification of void defects on PERC solar cell rear contacts
Großer, S.; Swatek, S.; Pantzer, J.; Turek, M.; Hagendorf, C.
Journal Article, Conference Paper
2016Study of pinhole conductivity at passivated carrier-selected contacts of silicon solar cells
Lancaster, K.; Großer, S.; Feldmann, F.; Naumann, V.; Hagendorf, C.
Journal Article, Conference Paper
2015High-resolution structural investigation of passivated interfaces of silicon solar cells
Richter, S.; Kaufmann, K.; Naumann, V.; Werner, M.; Graff, A.; Grosser, S.; Moldovan, A.; Zimmer, M.; Rentsch, J.; Bagdahn, J.; Hagendorf, C.
Journal Article
2015Influence of different types of recombination active defects on the integral electrical properties of multicrystalline silicon solar cells
Lausch, D.; Hagendorf, C.
Journal Article
2015Methods for resistivity and thickness measurements of high resistivity interfacial layers in photovoltaic TCO multilayers
Kaufmann, K.; Naumann, V.; Großer, S.; Hagendorf, C.
Conference Paper
2015Microstructure of void formation stages at local rear contacts
Großer, S.; Werner, M.; Hagendorf, C.
Journal Article, Conference Paper
2015Nanoscopic studies of 2D-extended defects in silicon that cause shunting of Si-solar cells
Naumann, V.; Lausch, D.; Hähnel, A.; Breitenstein, O.; Hagendorf, C.
Journal Article, Conference Paper
2015Photovoltaikzellen-Module. Prüfgerät erkennt den PID-Effekt bereits auf Zellenebene
Bagdahn, J.; Naumann, V.; Lausch, D.; Hagendorf, C.
Journal Article
2015Rapid determination of organic contaminations on wafer surfaces
Meyer, S.; Timmel, S.; Hagendorf, C.
Conference Paper
2015Sodium decoration of PID-s crystal defects after corona induced degradation of bare silicon solar cells
Naumann, V.; Lausch, D.; Hagendorf, C.
Journal Article, Conference Paper
2015Tunnel oxide passivated carrier-selective contacts based on ultra-thin SiO2 layers grown by photo-oxidation or wet-chemical oxidation in ozonized water
Moldovan, A.; Feldmann, F.; Kaufmann, K.; Richter, S.; Werner, M.; Hagendorf, C.; Zimmer, M.; Rentsch, J.; Hermle, M.
Conference Paper
2014Determination of Crystal Grain Orientations by Optical Microscopy at Textured Surfaces and Application
Lausch, D.; Gläser, M.; Hagendorf, C.
Conference Paper
2014Explanation of potential-induced degradation of the shunting type by Na decoration of stacking faults in Si solar cells
Naumann, V.; Lausch, D.; Hähnel, A.; Bauer, J.; Breitenstein, O.; Graff, A.; Werner, M.; Swatek, S.; Großer, S.; Bagdahn, J.; Hagendorf, C.
Journal Article
2014Geometrical correction factors for finite-size probe tips in microscopic four-point-probe resistivity measurements
Ilse, K.; Tänzer, T.; Hagendorf, C.; Turek, M.
Journal Article
2014High-resolution optical and electro-optical microscopy for PV-modules
Grosser, S.; Gläser, M.; Brzuska, C.; Tänzer, T.; Schippel, F.; Hagendorf, C.
Conference Paper, Journal Article
2014Influence of slim rod material properties to the Siemens feed rod and the float zone process
Richter, S.; Werner, M.; Schley, M.; Schaaff, F.; Riemann, H.; Rost, H.-J.; Zobel, F.; Kunert, R.; Dold, P.; Hagendorf, C.
Conference Paper, Journal Article
2014Influence of the feedstock purity on the solar cell efficiency
Meyer, S.; Wahl, S.; Molchanov, A.; Neckermann, K.; Möller, C.; Lauer, K.; Hagendorf, C.
Journal Article
2014Polymer foil additives trigger the formation of snail trails in photovoltaic modules
Meyer, S.; Timmel, S.; Gläser, M.; Braun, U.; Wachtendorf, V.; Hagendorf, C.
Journal Article
2014Polymer foil additives trigger the formation of snail trails in photovoltaic modules
Meyer, S.; Timmel, S.; Braun, U.; Hagendorf, C.
Journal Article, Conference Paper
2014Potential-Induced Degradation (PID): Introduction of a novel test approach and explanation of increased depletion region recombination
Lausch, D.; Naumann, V.; Breitenstein, O.; Bauer, J.; Graff, A.; Bagdahn, J.; Hagendorf, C.
Journal Article
2014Potential-induced degradation at interdigitated back contact solar cells
Naumann, V.; Geppert, T.; Grosser, S.; Wichmann, D.; Krokoszinski, H.J.; Werner, M.; Hagendorf, C.
Conference Paper, Journal Article
2014Silver nanoparticles cause snail trails in photovoltaic modules
Meyer, S.; Timmel, S.; Richter, S.; Werner, M.; Gläser, M.; Swatek, S.; Braun, U.; Hagendorf, C.
Journal Article
2014Simple Applicable Cleaning and Conditioning of Silicon Surfaces with UV/Ozone Sources
Moldovan, A.; Krugel, G.; Feldmann, F.; Zimmer, M.; Rentsch, J.; Roth-Fölsch, A.; Kaufmann, K.; Hagendorf, C.; Hermle, M.
Journal Article, Conference Paper
2014Sodium outdiffusion from stacking faults as root cause for the recovery process of potential-induced degradation (PID)
Lausch, D.; Naumann, V.; Graff, A.; Hähnel, A.; Breitenstein, O.; Hagendorf, C.; Bagdahn, J.
Conference Paper, Journal Article
2014Verfahren zur Prüfung der Anfälligkeit für potentialinduzierte Degradation bei Komponenten von Solarmodulen
Naumann, Volker; Lausch, Dominik; Hagendorf, Christian; Bagdahn, Jörg
Patent
2013Determination of crystal grain orientations by optical microscopy at textured surfaces
Lausch, D.; Gläser, M.; Hagendorf, C.
Journal Article
2013Microstructural analysis of crystal defects leading to potential-induced degradation (PID) of Si solar cells
Naumann, V.; Lausch, D.; Großer, S.; Werner, M.; Swatek, S.; Hagendorf, C.; Bagdahn, J.
Journal Article, Conference Paper
2013Quantitative elemental analysis of photovoltaic Cu(In,Ga)Se 2 thin films using MCs + clusters
Kaufmann, K.; Wahl, S.; Meyer, S.; Hagendorf, C.
Journal Article, Conference Paper
2013The role of stacking faults for the formation of shunts during potential-induced degradation of crystalline Si solar cells
Naumann, V.; Lausch, D.; Graff, A.; Werner, M.; Swatek, S.; Bauer, J.; Hähnel, A.; Breitenstein, O.; Großer, S.; Bagdahn, J.; Hagendorf, C.
Journal Article
2013Snail trails: Root cause analysis and test procedures
Meyer, S.; Richter, S.; Timmel, S.; Gläser, M.; Werner, M.; Swatek, S.; Hagendorf, C.
Conference Paper, Journal Article
2013Structural and chemical investigations of adapted Siemens feed rods for an optimized float zone process
Richter, S.; Werner, M.; Schley, M.; Schaaff, F.; Riemann, H.; Rost, H.-J.; Zobel, F.; Kunert, R.; Dold, P.; Hagendorf, C.
Conference Paper, Journal Article
2013Study on microstructure and sample modification of laser ablation processes
Großer, S.; Werner, M.; Meyerhofer, R.; Theobald, J.; Hagendorf, C.
Poster, Conference Paper
2012Characterization of laser structures in photovoltaic CIGS thin film systems
Kaufmann, K.; Swatek, S.; Werner, M.; Hagendorf, C.
Conference Paper
2012Chemical and structural study of electrically passivating Al2O3/Si interfaces prepared by atomic layer deposition
Naumann, V.; Otto, M.; Wehrspohn, R.B.; Hagendorf, C.
Journal Article
2012Interface and material characterization of thin ALD-Al2O3 layers on crystalline silicon
Naumann, V.; Otto, M.; Wehrspohn, R.B.; Werner, M.; Hagendorf, C.
Conference Paper, Journal Article
2012Micro structural root cause analysis of potential induced degradation in c-Si solar cells
Naumann, V.; Hagendorf, C.; Grosser, S.; Werner, M.; Bagdahn, J.
Journal Article, Conference Paper
2012On the mechanism of potential-induced degradation in crystalline silicon solar cells
Bauer, J.; Naumann, V.; Grosser, S.; Hagendorf, C.; Schütze, M.; Breitenstein, O.
Journal Article
2012PECVD- und ALD-Abscheidung und Charakterisierung von elektrischen Passivierungsschichten für die Photovoltaik
Naumann, V.; Turek, M.; Hagendorf, C.
Book Article
2012Quantitative elemental analysis of photovoltaic Cu(In,Ga)Se2 thin films using MCs+ clusters
Kaufmann, K.; Wahl, S.; Meyer, S.; Hagendorf, C.
Conference Paper
2012Shunt analysis in solar cells - electro-optical classification and high resolution defect diagnostics
Großer, S.; Lausch, D.; Werner, M.; Swatek, S.; Mergner, M.; Naumann, V.; Hagendorf, C.
Conference Paper, Journal Article
2011Chemical characterization of SiC and Si3N4 precipitates in multicrystalline silicon by NIR microscopy and ToF-SIMS
Richter, S.; Kaufmann, K.; Hagendorf, C.
Journal Article, Conference Paper
2011Classification of recombination active defect structures in multicrystalline silicon solar cells
Lausch, D.; Petter, K.; Henke, B.; Bakowskie, R.; Schweizer, S.; Hagendorf, C.
Conference Paper
2011Classification of recombination-active defects in multicrystalline solar cells made from upgraded metallurgical grade (UMG) silicon
Lausch, D.; Bakowskie, R.; Lorenz, M.; Schweizer, S.; Petter, K.; Hagendorf, C.
Conference Paper
2011Cu diffusion-induced vacancy-like defects in freestanding GaN
Elsayed, M.; Krause-Rehberg, R.; Moutanabbir, O.; Anwand, W.; Richter, S.; Hagendorf, C.
Journal Article
2011Investigation of modified p-n junctions in crystalline silicon on glass solar cells
Lausch, D.; Werner, M.; Naumann, V.; Schneider, J.; Hagendorf, C.
Journal Article
2011Investigation of modified p-n junctions in CSG solar cells
Lausch, D.; Werner, M.; Naumann, V.; Schneider, J.; Hagendorf, C.
Journal Article
2011Surface contaminations on silicon wafers - Monitoring of cleaning processes and specifying wafer quality
Meyer, S.; Richter, S.; Hagendorf, C.
Conference Paper
2011Trace element analysis in solar silicon
Meyer, S.; Richter, S.; Balski, M.; Hagendorf, C.
Journal Article
2010Defect diagnostics for cadmium telluride thin film solar cells
Naumann, V.; Werner, M.; Swatek, S.; Hagendorf, C.
Conference Paper
2010Trace elemental analysis of precipitates in multicrystalline silicon and investigation of solar cell shunting
Richter, S.; Naumann, V.; Lausch, D.; Werner, M.; März, B.; Ilse, K.; Hagendorf, C.
Conference Paper
2009Local electronic properties and microstructure of individual laser-fired contacts
Naumann, V.; Hagendorf, C.; Werner, M.; Henke, B.; Schmidt, C.; Nekarda, J.-F.; Bagdahn, J.
Conference Paper
2008The growth of thin NiO films on Ag(001) studied by scanning tunneling microscopy and spectroscopy
Großer, S.; Hagendorf, C.; Neddermeyer, H.; Widdra, W.
Conference Paper, Journal Article
2008Growth, atomic structure, and vibrational properties of MnO ultrathin films on Pt(111)
Hagendorf, C.; Sachert, S.; Bochmann, B.; Kostov, K.; Widdra, W.
Journal Article
1996Einsatz der Rasterkraftmikroskopie für die Härteprüfung
Petzold, M.; Hagendorf, C.
Conference Paper
1996Rasterkraftmikroskopie in der Eindruckprüfung
Hagendorf, C.
Thesis
1995Atomare Rasterkraftmikroskopie von Indenterspitzen und Härteeindrücken
Petzold, M.; Hagendorf, C.; Füting, M.; Olaf, J.M.
Conference Paper