Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2020Improved Layer Properties Combined with Light Soaking Enabling for 23% Efficient Silicon Heterojunction Solar Cells
Moldovan, A.; Pingel, S.; Roder, S.; Tutsch, L.; Fischer, A.; Georgiou-Sarlikiotis, V.; Vulcanean, I.V.; Wolke, W.; Bivour, M.; Wendel, A.; Hübner, S.; Dippell, T.; Wohlfart, P.; Nekarda, J.; Rentsch, J.
Conference Paper
2020Industrial TOPCon Solar Cells realized by a PECVD Tube Process
Feldmann, F.; Steinhauser, B.; Pernau, T.; Nagel, H.; Fellmeth, T.; Mack, S.; Ourinson, D.; Lohmüller, E.; Polzin, J.; Moldovan, A.; Bivour, M.; Clement, F.; Rentsch, J.; Hermle, M.; Glunz, S.
Conference Paper
2020Low-Temperature Ag-Paste Screening for Silicon Heterojunction Solar Cells and Modules
Pingel, S.; Erath, D.; Wenzel, T.; Nold, S.; Eberlein, D.; Rose, A. de; Tepner, S.; Schube, J.; Ivanov, G.; Terukova, E.; Moldovan, A.; Lorenz, A.; Clement, F.
Conference Paper
2020Numerical Simulation of an Entire Wafer Surface during Ozone-Based Wet Chemical Etching
Mohr, L.; Dannenberg, T.; Moldovan, A.; Zimmer, M.; Müller, C.
Journal Article
2020Temperature-Induced Stoichiometric Changes in Thermally Grown Interfacial Oxide in Tunnel-Oxide Passivating Contacts
Polzin, J.-I.; Lange, S.; Richter, S.; Moldovan, A.; Bivour, M.; Hagendorf, C.; Hermle, M.; Glunz, S.W.; Feldmann, F.
Journal Article
2019Approach to Clarify the Cause of Handling Defects in Silicon Heterojunction Cell Production through the Interplay of Different Imaging Techniques
Fischer, A.; Vulcanean, I.V.; Moldovan, A.; Rentsch, J.
Conference Paper
2019Effect of Hydrogen Addition on Bulk Properties of Sputtered Indium Tin Oxide Thin Films
Juneja, N.; Tutsch, L.; Feldmann, F.; Fischer, A.; Bivour, M.; Moldovan, A.; Hermle, M.
Conference Paper
2019Impact of Vacuum Grippers Utilized for Automated Wafer Handling Prior a-Si Passivation for Silicon Heterojunction Solar Cells
Fischer, A.; Moldovan, A.; Rentsch, J.
Conference Paper
2019Implementing transparent conducting oxides by DC sputtering on ultrathin SiOx / poly-Si passivating contacts
Tutsch, L.; Feldmann, F.; Polzin, J.; Luderer, C.; Bivour, M.; Moldovan, A.; Rentsch, J.; Hermle, M.
Journal Article
2019Implementing transparent conducting oxides on ultrathin SiOx/poly-Si passivating contacts by DC sputtering
Tutsch, Leonard; Feldmann, Frank; Polzin, Jana-Isabelle; Bivour, Martin; Moldovan, Anamaria; Macco, Bart; Hermle, Martin; Kessels, Erwin; Glunz, Stefan W.
Presentation
2019Improved Passivation for SHJ Utilizing Dual Intrinsic a-Si:H Layers on an Inline PECVD Tool
Bodlak, Lara; Temmler, Jan; Moldovan, Anamaria; Rentsch, Jochen
Conference Paper
2019Large Area TOPCon Cells Realized by a PECVD Tube Process
Feldmann, F.; Fellmeth, T.; Steinhauser, B.; Nagel, H.; Ourinson, D.; Mack, S.; Lohmüller, E.; Polzin, J.-I.; Benick, J.; Richter, A.; Moldovan, A.; Bivour, M.; Clement, F.; Rentsch, J.; Hermle, M.; Glunz, S.W.
Conference Paper
2019Numerical Simulation of an Ozone-Based Wet-Chemical Etching
Mohr, L.; Krick, T.; Zimmer, M.; Fischer, A.; Moldovan, A.
Conference Paper
2019Passivation and Microstructure of Dual Intrinsic a-Si:H Layers for SHJ Solar Cells
Temmler, J.; Bodlak, L.; Moldovan, A.; Bivour, M.; Wolf, A.; Rentsch, J.
Conference Paper
2019Plasma Oxidation for the Front Side Passivation of PERC Solar Cells
Mohamed Okasha Mohamed Okasha, A.; Kafle, B.; Torda, B.; Teßmann, C.; Moldovan, A.; Hofmann, M.
Conference Paper
2018Development of an Ozone-Based Inline Cleaning and Conditioning Concept
Fischer, A.; Moldovan, A.; Temmler, J.; Zimmer, M.; Rentsch, J.
Conference Paper
2018Inline PECVD Deposition of Poly-Si-Based Tunnel Oxide Passivating Contacts
Temmler, J.; Polzin, J.-I.; Feldmann, F.; Kraus, L.; Kafle, B.; Mack, S.; Moldovan, A.; Hermle, M.; Rentsch, J.
Journal Article
2018Large Area TOPCon Technology Achieving 23.4% Efficiency
Steinhauser, B.; Feldmann, F.; Polzin, J.-I.; Tutsch, L.; Arya, V.; Grübel, B.; Fischer, A.; Moldovan, A.; Benick, J.; Richter, A.; Brand, A.A.; Kluska, S.; Hermle, M.
Conference Paper
2017Comparative study of differently grown tunnel oxides for p-type passivating contacts
Vossen, R. van der; Feldmann, F.; Moldovan, A.; Hermle, M.
Journal Article, Conference Paper
2017Fluid dynamic modeling of an industrial wet chemical process bath for the production of silicon solar cells
Mohr, L.; Zimmer, M.; Moldovan, A.; Menschick, M.; Mandlmeier, B.; Müller, C.
Conference Paper
2017Influence of surface preparation and cleaning on the passivation of boron diffused silicon surfaces for high efficiency photovoltaics
Ali, H.; Moldovan, A.; Mack, S.; Wilson, M.; Schoenfeld, W.V.; Davis, K.O.
Journal Article
2017Inline PECVD deposition of a-Si layers for heterojunction solar cells on an industrial scale
Temmler, J.; Moldovan, A.; Putra, D.; Bivour, M.; Rentsch, J.
Conference Paper
2017Key aspects for fabrication of p-type Cz-Si PERC solar cells exceeding 22% conversion efficiency
Werner, S.; Lohmüller, E.; Saint-Cast, P.; Greulich, J.M.; Weber, J.; Schmidt, S.; Moldovan, A.; Brand, A.A.; Dannenberg, T.; Mack, S.; Wasmer, S.; Demant, M.; Linse, M.; Ackermann, R.; Wolf, A.; Preu, R.
Conference Paper
2017Metallization of passivating and carrier selective contacts: Status and perspectives at Fraunhofer ISE
Bivour, M.; Bartsch, J.; Clement, F.; Cimiotti, G.; Erath, D.; Feldmann, F.; Fellmeth, T.; Glatthaar, M.; Hermle, M.; Jahn, M.; Kluska, S.; Keding, R.; Lorenz, A.; Lacmago Lontchi, I.-C.; Mack, S.; Moldovan, A.; Nekarda, J.; Pospischil, M.; Rodofili, A.; Rentsch, J.; Steinhauser, B.; Schube, J.; Wolke, W.; Preu, R.; Glunz, S.W.
Conference Paper
2017A new pilot research facility for HJT and selective contact solar cells - PV-TEC SELECT
Rentsch, J.; Bivour, M.; Erath, D.; Feldmann, F.; Fischer, A.; Mack, S.; Moldovan, A.; Temmler, J.; Hermle, M.; Glunz, S.W.; Preu, R.
Conference Paper
2017Recent developments in the industrial silicon heterojunction process chain enabling efficiencies up to 22.7%
Moldovan, A.; Fischer, A.; Temmler, J.; Bivour, M.; Dannenberg, T.; Erath, D.; Lorenz, A.; Sontag, D.; Zhao, J.; Wissen, A.; Clement, F.; Zimmer, M.; Rentsch, J.
Conference Paper, Journal Article
2017Transmission electron microscopy based interface analysis of the origin of the variation in surface recombination of silicon for different surface preparation methods and passivation materials
Ali, H.; Moldovan, A.; Mack, S.; Schoenfeld, W.V.; Davis, K.O.
Journal Article
2016Ozonbasierte Reinigungs- und Konditionierungsverfahren für die Herstellung hocheffizienter Silizium Solarzellen
Moldovan, Anamaria
: Rühe, J.; Weber, E.
Dissertation
2016Ozone-Based Surface Conditioning Focused on an Improved Passivation for SHJ Solar Cells
Moldovan, A.; Dannenberg, T.; Temmler, J.; Kroely, L.; Zimmer, M.; Rentsch, J.
Journal Article, Conference Paper
2016Ozone-based surface conditioning: Combining excellent surface passivation and industrial feasibility for SHJ solar cells
Moldovan, A.; Fischer, A.; Dannenberg, T.; Temmler, J.; Bivour, M.; Zimmer, M.; Hermle, M.; Rentsch, J.; Adou-Ras, D.; Sonntag, D.; Zhao, J.; Wissen, A.
Presentation
2015Defect removal after low temperature annealing of boron implantations by emitter etch-back for silicon solar cells
Müller, R.; Moldovan, A.; Schiller, C.; Benick, J.
Journal Article
2015High and Low Work Function Materials for Passivated Contacts
Feldmann, F.; Ritzau, K.-U.; Bivour, M.; Moldovan, A.; Modi, S.; Temmler, J.; Hermle, M.; Glunz, S.W.
Conference Paper, Journal Article
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
2015Tunnel oxide passivated carrier-selective contacts based on ultra-thin SiO2 layers
Moldovan, A.; Feldmann, F.; Zimmer, M.; Rentsch, J.; Hermle, M.; Benick, J.
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
2014Interdigitated back contact silicon solar cells with tunnel oxide passivated contacts formed by ion implantation
Reichel, C.; Feldmann, F.; Müller, R.; Moldovan, A.; Hermle, M.; Glunz, S.W.
Conference Paper
2014Investigations on the passivation mechanism of AlN:H and AlN:H-SiN:H stacks
Krugel, G.; Jenkner, F.; Moldovan, A.; Wolke, W.; Rentsch, J.; Preu, R.
Journal Article, Conference Paper
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
2013Combined ozone/HF/HCl based cleaning and adjusted emitter etch-back for silicon solar cells
Moldovan, A.; Birmann, K.; Rentsch, J.; Zimmer, M.; Gitte, T.; Fittkau, J.
Conference Paper
2013Influence of the chemicals used in Nickel and Copper plating solutions on the adhesion of screen-printed silver contacts
Kraft, A.; Ni, L.; Kalio, A.; Moldovan, A.; Bartsch, J.; Glatthaar, M.; Glunz, S.W.
Journal Article, Conference Paper
2013A novel approach to high performance and cost effective surface cleaning for high efficiency solar cells
Moldovan, A.; Zimmer, M.; Rentsch, J.; Ferstl, B.; Rajagopalan, B.; Thate, S.; Hoogboom, J.; Ross, M.
Conference Paper
2013Passivation of solar cell emitters using aluminum nitride
Krugel, G.; Sharma, A.; Moldovan, A.; Wolke, W.; Rentsch, J.; Preu, R.
Conference Paper
2013Surface charge and interface state density on silicon substrates after Ozone based wet-chemical oxidation and hydrogen-termination
Angermann, H.; Wolke, K.; Gottschalk, C.; Moldovan, A.; Roczen, M.; Fittkau, J.; Zimmer, M.; Rentsch, J.
Conference Paper
2012Electronic interface properties of silicon substrates after ozone based wet-chemical oxidation studied by SPV measurements
Angermann, H.; Wolke, K.; Gottschalk, C.; Moldovan, A.; Roczen, M.; Fittkau, J.; Zimmer, M.; Rentsch, J.
Journal Article, Conference Paper
2012Investigation of the cleaning effects regarding organic contaminants on the alkaline texturisation
Sonner, C.; Oltersdorf, A.; Zimmer, M.; Moldovan, A.; Rentsch, J.
Conference Paper
2012Surface contamination of silicon wafer after acidic texturisation
Oltersdorf, A.; Moldovan, A.; Bayer, M.; Zimmer, M.; Rentsch, J.
Conference Paper