S. Seren,
Untersuchungen zum
Ladungsträgertransport in multikristallinem Silizium, Diploma Thesis,
2002, www.ub.uni-konstanz.de/kops/volltexte/2007/3302
S. Seren,
Low Cost Solar Cells from Fast Grown
Silicon Ribbon Materials, Dissertation, 2007, Hartung-Gorre Verlag
Konstanz 2007, ISBN 3-86628-157-9,
www.ub.uni-konstanz.de/kops/volltexte/2007/3312
Journals
M. Kaes, S. Seren, T. Pernau, G. Hahn,
Light-modulated Lock-in Thermography
for Photosensitive pn-Structures and Solar Cells, Prog. Photovolt., 12,
355-363, 2004
S. Kleekajai, F. Jiang, M. Stavola, V. Yelundur, K. Nakayashiki, A. Rohatgi,
G. Hahn, S. Seren, Concentration and
penetration depth of H introduced into crystalline Si by hydrogenation
methods used to fabricate solar cells, J. Appl. Phys., 100, 093517, 2006
G. Micard, G. Hahn, A. Zuschlag, S. Seren, and B. Terheiden,
Quantitative evaluation of grain
boundary activity in multicrystalline semiconductors by light beam induced
current: An advanced model, J. Appl. Phys., 108, 034516, 2010
Magazins
Energietechnologie aktuell, 2010 (Neue
Silizium-Materialien für die Photovoltaik, Dr. Sven Seren)
Photovoltaics International, 2011 (D. Kohler, S. Seren, B. Raabe,
Return of UMG-Si: a new hope)
Galvanotechnik, 2011 (N. Ximello, J. Junge, S. Seren, G. Hahn, E. Epple,
Vacuum enhanced process for texturization of monocrystalline silicon wafers)
Photovoltaics International, 2012 (J.N. Ximello-Quiebras, J. Junge,
S. Seren, G. Hahn, E. Epple,
Texturing Solutions)
Conference Papers
G. Hahn, S. Seren, D. Sontag, A. Gutjahr, L. Laas, A. Schönecker,
Over 10% efficient Screen-printed RGS
Solar Cells, Proc. 3rd WCPEC, Osaka, 2, 1285, 2003
G. Hahn, D. Sontag, S. Seren, A. Schönecker, A. R. Burgers, R. Ginige,
K. Cherkaoui, D. Karg, M. Stavola,
Hydrogenation of multicrystalline Silicon - The Story continues, Proc.
19th EU PVSEC, Paris, 427, 2004
M. Kaes, S. Seren, T. Pernau, G. Hahn,
LimoLIT – A novel Thermographic
Characterisation Method for p/n Structures and Solar Cells, Proc. 19th
EU PVSEC, Paris, 484, 2004
F. Huster, S. Seren, G. Schubert, M. Kaes, G. Hahn, O. Breitenstein,
P. Altermatt, Shunts in Silicon Solar
Cells below Screen-Printed Silver Contacts, Proc. 19th EU PVSEC, Paris,
832, 2004
S. Seren, G. Hahn, A. Gutjahr, A. R. Burgers, A. Schönecker,
Screen-Printed Ribbon Growth on
Substrate Solar Cells approaching 12% Efficiency, Proc. 31th IEEE PVSC,
Lake Buena Vista, 1055, 2005 (Oral Presentation)
J. P. Rakotoniaina, O. Breitenstein, M. Kaes, S. Seren, G. Hahn, W. Warta,
J. Isenberg, T. Pernau, Lock-in
Thermography - A Universal Tool for Local Analysis of Solar Cells, Proc.
15th PVSEC, Shanghai, 1279, 2005
S. Seren, G. Hahn, F. Huster, R. Kopecek, A. Gutjahr, A. R. Burgers,
A. Schönecker, Screen-Printed Ribbon
Growth on Substarte Solar Cells exceeding 12% Efficiency, Proc. 20th EU
PVSEC, Barcelona, 702, 2005 (Oral Presentation)
O. Breitenstein, J. P. Rakotoniaina, M. Kaes, S. Seren, T. Pernau, G. Hahn,
W. Warta, J. Isenberg, Lock-In
Thermography - A universal Tool for local Analysis of Solar Cells, Proc.
20th EU PVSEC, Barcelona, 590, 2005
S. Seren, G. Hahn, A. Gutjahr, A. R. Burgers, A. Schönecker, A. Grenko,
R. Jonczyk, Ribbon Growth on
Substrate and Molded Wafer - Two Low Cost Silicon Ribbon Materials for PV,
Proc. 4th WCPEC, Waikoloa, 2, 1330-1333, 2006
G. Hahn, S. Seren, M. Kaes, A. Schönecker, J. Kalejs, C. Dubé, A. Grenko,
C. Belouet, Review on Ribbon Silicon
Techiques for Cost Reduction in PV, Proc. 4th WCPEC, Waikoloa, 972-975,
2006
R. Burgers, A. Gutjahr, L. Laas, A. Schönecker, S. Seren, G. Hahn,
Near 13% Efficiency Shunt free Solar
Cells on RGS Wafers, Proc. 4th WCPEC, Waikoloa, 1183-1186, 2006
S. Seren, G. Hahn, A. Gutjahr, A. R. Burgers, A. Schönecker,
Ribbon Growth on Substrate – A
Roadmap to Higher Efficiencies, Proc. 21st EU PVSEC, Dresden, 668, 2006
(Oral Presentation)
R. Burgers, S. Seren, A. Gutjahr, A. Schönecker, G. Hahn,
Record 13% efficiency screen-printed
silicon solar cells on RGS material, Proc. 21st EU PVSEC,
Dresden, 651, 2006
S. Seren, M. Kaes, G. Hahn, A. Gutjahr, A. R. Burgers, A. Schönecker,
Efficiency Potential of RGS Silicon
from current R&D Production, Proc. 22nd EU PVSEC, Milan, 854, 2007 (Oral
Presentation)
S. Seren, G. Hahn, C. Demberger, H. Nagel,
Fast illuminated Lock-In
Thermography: an Inline Shunt Detection Measurement Tool, Proc. 33rd
IEEE PVSC, San Diego, 2008
J. Junge, M. Kaes, D. Groetschel, A. Zuschlag, G. Hahn, A. Metz,
Advanced Processing Steps for high
Efficiency Solar Cells based on EFG Material, Proc. 33rd IEEE PVSC, San
Diego, 2008
Zuschlag, G. Micard, J. Junge, M. Käs, S. Seren, G. Hahn, G. Coletti,
G. Jia, W. Seifert, Investigations on
the Recombination Activity of Grain Boundaries in mc Silicon, Proc. 33rd
IEEE PVSC, San Diego, 2008
S. Seren, M. Käs, G. Hahn, H. Nagel,
Shunt Detection with illuminated Lock-In Thermography on Inline Relevant
Time Scales, Proc. 23rd EU PVSEC, Valencia, 1746, 2008
U. Hess, T. Lauermann, S. Seren, G. Hahn, A. Schönecker,
Impact of the Crystal Structure on
Solar Cell Parameters of Ribbon Growth on Substrate (RGS) Solar Cells,
Proc. 23rd EU PVSEC, Valencia, 1522, 2008
Zuschlag, G. Micard, J. Junge, M. Käs, S. Seren, G. Hahn, G. Coletti,
G. Jia, W. Seifert, Extraction of the
Surface Recombination Velocity and Diffusion Length from LBIC and EBIC
Measurements at Grain Boundaries in mc Silicon, Proc. 23rd EU PVSEC,
Valencia, 1915, 2008
G. Micard, S. Seren, G. Hahn,
Quantitative Interpretation of Light Beam Induced Current Contrast Profiles
for differing Diffusion Lengths on either side of a Grain Boundary,
Proc. 23rd EU PVSEC, Valencia, 416, 2008
J. Junge, M. Kaes, A. Zuschlag, S. Seren, G. Hahn, A. Metz,
Laser Fired Contacts for High
Efficiency Solar Cells based on EFG Material, Proc. 23rd EU PVSEC,
Valencia, 1561, 2008
G. Beaucarne, J. John, P. Choulat, Y. Ma, R. Russel, I.G. Romijn,
A.W. Weeber, M. Hofmann, R. Preu, A. Slaoui, N. Le Quang, O. Nichiporuk,
C. del Cañizo, A. Pan, H.J. Solheim, J. Evju, H. Nagel, J. Horzel,
B. Bitnar, M. Heemeier, T. Weber, B. Raabe, H. Haverkamp, C. Strümpel,
J. Junge, S. Riegel, S. Seren, G. Hahn,
Solar Cell Process Development in the
European Integrated Project CrystalClear, Proc. 23rd EU PVSEC, Valencia,
958, 2008
Schönecker, A. Gutjahr, A.R. Burgers, S. Seren, G. Hahn,
Compatibility of the RGS Silicon Wafer with industrial type Solar Cell
Processing,
Proc. COMMAD (Conference on Optoelectronics and Microelectronic Materials
and Devices), Sydney 2008
S. Braun, B. Raabe, D. Kohler, S. Seren, G. Hahn,
Comparison of Buried Contact- and
Screen Printed 100% UMG Solar Cells resulting in 16.2% Efficiency, Proc.
24th EU PVSEC, Hamburg, 1736, 2009
U. Hess, S. Joos, S. Seren, G. Hahn, P.-Y. Pichon, A. Schönecker, T. Weber,
Infrared Microscopy Investigation of
Crystal Structure of Ribbon Growth on Substrate (RGS) Solar Cells, Proc.
24th EU PVSEC, Hamburg, 2138, 2009
J. Junge, A. Herguth, S. Seren, G. Hahn,
Reducing the Impact of Metal
Impurities in block-cast mc Silicon, Proc. 24th EU PVSEC, Hamburg, 1131,
2009
D. Kohler, B. Raabe, S. Braun, S. Seren, G. Hahn,
Upgraded Metallurgical-Grade Silicon
Solar Cells: A Detailed Material Analysis, Proc. 24th EU PVSEC, Hamburg,
1758, 2009
G. Micard, S. Seren, G. Hahn,
Quantitative Interpretation of Light Beam Induced Current Contrast Profiles:
Evaluating the Influence of a near Grain Boundary, Proc. 24th EU PVSEC,
Hamburg, 46, 2009
Zuschlag, J. Junge, S. Seren, G. Hahn,
Evaluation of Processing Steps
regarding Lifetime of Iron/Copper contaminated mc Si Wafers, Proc. 24th
EU PVSEC, Hamburg, 2152, 2009
Zuschlag, S. Ohl, H. Morhenn, J. Junge, J. Ebser, S. Seren, G. Hahn,
µXRF
investigations on the influence of solar cell processing steps on iron and
copper precipitates in multicrystalline silicon
Proc. 35th IEEE PVSC, Hawaii, 2010
J. Ebser, J. Junge, T. Lüder, S. Seren, G. Hahn,
Al2O3 Rear
Surface Passivation for Silicon Ribbon Solar Cells, Proc. 25th EU PVSEC,
Valencia, 2010
S. Graf, J. Junge, S. Seren, G. Hahn,
Emitter Optimization in Mono- and Multicrystalline Silicon: A Study of
Emitter Saturation Currents, Proc. 25th EU PVSEC, Valencia, 2010
U. Hess, S. Joos, S. Seren, G. Hahn, T. Weber, A. Schönecker,
Dielectric Rear Side Passivation on
Ribbon Growth on Substrate (RGS) Solar Cells, Proc. 25th EU PVSEC,
Valencia, 2010
S. Joos, U. Hess, S. Seren, G. Hahn, T. Weber, A. Schönecker,
Stacked PECVD Backside Passivation
Dielectrics: The Future / Next Step of Industrial Type Screen Printed
Silicon Solar Cells, Proc. 25th EU PVSEC, Valencia, 2010
J. Junge, J. Ebser, S. Seren, B. Terheiden, G. Hahn,
Evaluating the efficiency limits of
low cost mc Si materials using advanced solar cell processes, Proc. 25th
EU PVSEC, Valencia, 2010
D. Kohler, B. Raabe, S. Seren, D. Kiliani, G. Hahn,
Comparison of UMG materials: Are
Ingot height independent cell efficiencies possible?, Proc. 25th EU
PVSEC, Valencia, 2010
S. Gindner, J. Junge, S. Seren, G. Hahn,
Texturing of String Ribbon Silicon
Wafers, Proc. 25th EU PVSEC, Valencia, 2010
Zuschlag, H. Morhenn, J. Bernhard, J. Junge, S. Seren, G. Hahn,
Microscopic analysis of the influence
of solar cell process steps on the recombination activity of extended
crystal defects, Proc. 25th EU PVSEC, Valencia, 2010
G. Micard, S. Seren, G. Hahn,
Quantitative interpretation of light beam induced current contrast profiles:
Back side surface influence, Proc. 25th EU PVSEC, Valencia, 2010
S. Gindner, A. Dastgheib-Shirazi, J. Junge, S. Seren, G. Hahn,
Influence of Diffusion Parameters on
electronic Quality of mc Silicon, Proc. 26th EU PVSEC, Hamburg, 2011
U. Hess, S. Joos, S. Seren, G. Hahn, T. Weber, P.-Y. Pichon, A. Schönecker,
First Ribbon Growth on Substrate
(RGS) Solar Cells with selective Emitter, Proc. 26th EU PVSEC, Hamburg,
2011
D. Kohler, D. Kiliani, B. Raabe, S. Seren, G. Hahn,
Characterization of Dislocation
Clusters in UMG-Si Solar Cells, Proc. 26th EU PVSEC, Hamburg, 2011
Schönecker, S. Seren, L. Laas, M. den Heijer, B. Kraaijveld,
Silicon Ribbon Materials: Entering
the Market or Eternal Promise?, Proc. 26th EU PVSEC, Hamburg, 2011
N. Ximello, J. Junge, S. Seren, G. Hahn, E. Epple,
Up to 20% efficient solar cells on
monocrystalline silicon wafers by using a KOH - high boiling alcohol (HBA)
texturing solution, Proc. 26th EU PVSEC, Hamburg, 2011
P. Keller, J. Junge, Y.P. Botchak, F. de Moro, S. Seren, G. Hahn,
Over 14% Efficiency on RST-Ribbon
Solar Cells, Proc. 27th EU PVSEC, Frankfurt, 2012
D. Kohler, A. Zuschlag, S. Seren, G. Hahn,
On the Formation of Defect Clusters
in mc Silicon Solar Cells, Proc. 27th EU PVSEC, Frankfurt, 2012
S. Joos, A. Herguth, U. Hess, J. Ebser, S. Seren, B. Terheiden, G. Hahn,
Light Induced Curing (LIC) of
Passivation Layers deposited on Native Silicon Oxide, Proc. 2nd
SiliconPV, Leuven, 2012
F. de Moro, E. Jolivet, E. Tupin, R. Varrot, B. Heilbronn, P. Keller,
S. Seren, G. Hahn, Towards 18%
efficiency on below 100 µm multicrystalline silicon wafers with the RST
process, Proc. 28th EU PVSEC, Paris, 2013
S. Joos, S. Wilking, A. Herguth, U. Heß, S. Seren, B. Terheiden, G. Hahn,
Hydrogen in stacked dielectric Layers,
Proc. 28th EU PVSEC, Paris, 2013
P. Keller, F. de Moro, S. Seren, G. Hahn,
Defect Characterization and
Investigation of RST-Ribbon Wafers and Solar Cells, Proc. 28th EU PVSEC,
Paris, 2013
S. Rißland, G. Micard, O. Breitenstein, G. Hahn, A. Zuschlag, S. Seren,
B. Terheiden, Comparison of the
recombination velocity at grain boundaries gained by lock-in thermography
and light beam induced current measurements, Proc. 28th EU PVSEC, Paris,
2013
P. Keller, J. Junge, F. De Moro, S. Seren, G. Hahn,
PERC solar cells on below 100 µm
thick RST silicon ribbon wafers, Proc. 3rd Silicon PV Conference,
Hamelin, 2013
P. Saint-Cast, U. Belledin, E. Lohmüller, B. Kafle, J. Weber, M. Hofmann,
A. Wolf, S. Seren, Precision
selective emitter obtained using APCVD PSG layer as doping source, Proc.
35th EU PVSEC, Brussels, 2018
A. Merkle, S. Seren, H. Knauss, B. Min, B. Terheiden, J. Steffens,
R. Peibst, R. Brendel, Atmospheric
Pressure Chemical Vapor Deposition of in-situ doped amorphous silicon layers
deposited for passivating contacts, Proc. 35th EU PVSEC, Brussels, 2018
I. Sen, S. Seren, H. Haverkamp, J. Engelhardt, B. Terheiden, APCVD
glasses and laser doping, Proc. 28th Workshop on Crystalline Silicon
Solar Cells & Modules @ NREL, Winter Park, Colorado, 2018
Z.W. Peng, T. Buck, S. Suzuki, V. Mihailetchi, A. Mazurov, S. Seren, Ch.
Buchner, M. Darmin R. Kopecek, Performance Upgrade Solutions for Low Cost
n-PERT-RJ Solar Cells by Adopting APCVD System, Proc. PVSEC-30 & GPVC
2020, Jeju, Korea, 2020
J. Mousumi, G. Gregory, C. Nunez, J. Ganesan, K. Provancha, S. Seren, P.
Banerjee, K. Davis, Influence of Deposition Process Parameters and Post
Deposition Treatment on the Surface Passivation Quality of Tunnel Oxide
Passivated Phosphorus Doped Polysilicon Contact Deposited by APCVD,
Journal of Physics D: Applied Physics 2021, 54, 38 384003
V. Kuruganti, V. Mihailetchi, R. Kopecek, S. Seren, O. Isabella,
Development of cost-effective IBC solar cells using APCVD glass layers,
Proc. 38th EU PVSEC, online, 2021
Jannatul Ferdous Mousumi Geoffrey Gregory Jeya Prakash Ganesan Christian
Nunez Kenneth Provancha, Sven Seren Heiko Zunft Titel Jurca Parag Banerjee
Aravinda Kar Ranganathan Kumar Kristopher O. Davis,
Process-Structure-Properties Relationships of Passivating,
Electron-Selective Contacts Formed by APCVD of Phosphorus-Doped Polysilicon,
Journal Physica Status Solidi (RRL) - Rapid Research Letters, 2021
Marius Meßmer, Sattar Bashardoust, Udo Belledin, Sven Seren, Heiko Zunft,
Sebastian Mack and Andreas Wolf, High Throughput Boron Emitter Formation
from Pre-deposited APCVD BSG Layers for TOPCon Solar Cells, Proc. 8th
WCPEC, Milan, Italy, 2022
Raphael Glatthaar, Tobias Okker, Frank Huster, Sven Seren, Giso Hahn,
Barbara Terheiden, Screen-printing of fire-through Ag paste on APCVD (n)
poly-Si passivating contacts, Proc. 8th WCPEC, Milan, Italy, 2022
Vaibhav V. Kuruganti, Radovan Kopecek, Sven Seren, Olindo Isabella, Valentin
D. Mihailetchi, Investigation on the passivation quality of ex-situ doped
p+ and n+ poly-Si layers for IBC solar cells, Proc. 8th WCPEC, Milan,
Italy, 2022
Renate Zapf-Gottwick, Sven Seren, Susana Fernandez-Robledo, Evariste-Pasky
Wete, Matteo Schiliro, Mohamed Hassan, Valentin Mihailetchi, Thomas Buck,
Radovan Kopecek, Jürgen Köhler, Jürgen-Heinz Werner, Solar Cell Laser
Boron Doping with Layers from Atmospheric Pressure Chemical Vapor Deposition,
MDPI Solar Journal,
2, 274-292, 2022
Tobias Okker, Raphael Glatthaar, Sven Seren, Giso Hahn, Barbara Terheiden,
Influence of Firing Temperature on APCVD Poly-Si Properties for Fired
Passivating Contacts, Proc. 12th SiliconPV, Konstanz, 2022
Marius Meßmer, Sattar Bashardoust, Udo Belledin, Bishal Kafle, Baljeet Singh
Goraya, Sven Seren, Heiko Zunft, Sebastian Mack and Andreas Wolf, Stack
Diffusion Process for Cost- and Energy-efficient Boron Emitter Formation,
IEEE Journal of Photovoltaics, vol. 12, no. 6, pp. 1393-1399, 2022
Raphael Glatthaar, Frank Huster, Tobias Okker, Beatriz Cela Greven, Sven
Seren, Giso Hahn, Barbara Terheiden, Contact formation of silver paste
and APCVD (n) poly-silicon passivating contacts on planar and textured
surfaces, submitted to Wiley VCH
Vaibhav V. Kuruganti, Daniel Wurmbrand, Thomas Buck, Sven Seren, Miro Zeman,
Olindo Isabella, Fabian Geml, Heiko Plagwitz, Barbara Terheiden, Valentin D.
Mihailetchi, Industrially viable diffused IBC Solar Cells using APCVD
Dopant Glass Layers, SOLMAT Volume 251, 112111, 2023
Valentin D. Mihailetchi, Vaibhav V. Kuruganti, Thomas Buch, Sebastian
Veerman, Christian Ebert, Sven Seren, Radovan Kopecek, Rear Junction
Tunnel Oxide Passivated Hole Contacts Silicon Solar Cells with Selective
Front Surface Field, submitted to the 40th EUPVSEC, Lisbon, Portugal,
2023
Tobias Okker, Raphael Glatthaar, Frank Huster, Sven Seren, Thomas Pernau,
Giso Hahn, Barbara Terheiden, Accurate crystallite size determination in
poly-Si/SiOx passivated contacts, submitted to the 40th EUPVSEC, Lisbon,
Portugal, 2023
Tobias Okker, Raphael Glatthaar, Frank Huster, Giso Hahn, Beatriz Cela
Greven, Sven Seren, Barbara Terheiden, Investigation of Contact
Resistivities on APCVD (p) Poly-Si for Fired Passivating Contacts,
submitted to SiliconPV 2023
Raphael Glatthaar, Franz-Philipp Schmidt, Adnan Hammud, Thomas Lunkenbein,
Tobias Okker, Frank Huster, Sven Seren, Beatriz Cela Greven, Giso Hahn,
Barbara Terheiden, Stopping of Ag fire through pastes at thermal oxides
of APCVD (n) poly-Si layer of passivating contacts, submitted to
SiliconPV 2023
Reviews
Progress in Photovoltaics, 2007 (PIP-07-105)
Progress in Photovoltaics, 2008 (PIP-08-015)
Journal of Crystal Growth, 2008 (CRYS-D-08-00122)
Journal of Applied Physics, 2010 (MS #JR08-3689)
Journal of Applied Physics, 2010 (MS #JR10-6422)
Conference Papers, 2011 (Reviews for 37th IEEE PVSC)
Journal of Crystal Growth, 2012 (CRYS-D-12-00429)
Solar Energy Materials and Solar Cells, 2012 (SOLMAT-D-12-00481)