Publications

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2019

D. C. Walter, L. Helmich, T. Pernau, O. Romer, and J. Schmidt

Comparing Cz-Si PERC Solar Cells from Various Manufacturers Regarding BO-Related Light-Induced Degradation and Regeneration Inproceedings

WIP (Ed.): Proceedings of the 36th European Photovoltaic Solar Energy Conference and Exhibition, 464-467, Marseille, France, (2019), ISBN: 3-936338-60-4.

Abstract | Links | BibTeX | Tags: Czochralski (Cz), LID, solar cell

S. Schäfer, F. Haase, C. Hollemann, J. Hensen, J. Krügener, R. Brendel, and R. Peibst

26%-Efficient and 2 cm Narrow Interdigitated Back Contact Silicon Solar Cells with Passivated Slits on Two Edges Presentation/Poster

Leuven, Belgium, 10.04.2019, (SiliconPV 2019, 9th International Conference on Silicon Photovoltaics).

BibTeX | Tags: IBC, solar cell

G. Wetzel, J. Krügener, R. Peibst, A. Dietrich, B. Nacke, and H-J. Osten

Simulation of Solar Cell Performance Based on in the Field Measured Ambience Parameters Presentation/Poster

Leuven, Belgium, 08.04.2019, (SiliconPV 2019, 9th International Conference on Silicon Photovoltaics).

BibTeX | Tags: solar cell

2018

L. Helmich, D. C. Walter, D. Bredemeier, R. Falster, V. V. Voronkov, and J. Schmidt

In-situ characterization of electron-assisted regeneration of Cz-Si solar cells Journal Article

Solar Energy Materials and Solar Cells 185 , 283-286, (2018), ISSN: 0927-0248.

Abstract | Links | BibTeX | Tags: boron-oxygen defect, Czochralski-grown silicon, LID, regeneration, solar cell

S. Schäfer, and R. Brendel

Accurate Calculation of the Absorptance Enhances Efficiency Limit of Crystalline Silicon Solar Cells With Lambertian Light Trapping Journal Article

IEEE Journal of Photovoltaics 8 (4), 1156-1158, (2018), ISSN: 2156-3381.

Abstract | Links | BibTeX | Tags: Efficiency limit, photon recycling, silicon, solar cell

K. Bothe, D. Hinken, T. Gandy, I. Ahrens, and C. Schinke

Approximating the determination of the spectral responsivity of solar cells Inproceedings

IEEE (Ed.): 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC 34th EU PVSEC), 0381-0385, Waikoloa Village, HI, USA, (2018), ISSN: 0160-8371.

Abstract | Links | BibTeX | Tags: calibration, IEC 60904-8, solar cell, spectral mismatch, spectral responsivity

K. Bothe, D. Hinken, B. Min, and C. Schinke

Accuracy of Simplifications for Spectral Responsivity Measurements of Solar Cells Journal Article

IEEE Journal of Photovoltaics 8 (2), 611-620, (2018), ISSN: 2156-3381.

Abstract | Links | BibTeX | Tags: calibration, IEC 60904-8, solar cell, spectral mismatch, spectral responsivity

2017

J. Krügener, F. Haase, M. Rienäcker, R. Brendel, H. J. Osten, and R. Peibst

Improvement of the SRH bulk lifetime upon formation of n-type POLO junctions for 25% efficient Si solar cells Journal Article

Solar Energy Materials and Solar Cells 173 , 85-91, (2017), ISSN: 0927-0248, (Proceedings of the 7th international conference on Crystalline Silicon Photovoltaics).

Abstract | Links | BibTeX | Tags: Carrier lifetime, Gettering, passivating contact, POLO, polysilicon, Silicon solar cell, solar cell

F. Haase, F. Kiefer, S. Schäfer, C. Kruse, J. Krügener, R. Brendel, and R. Peibst

Interdigitated back contact solar cells with polycrystalline silicon on oxide passivating contacts for both polarities Journal Article

Japanese Journal of Applied Physics 56 , 08MB15, (2017).

Abstract | Links | BibTeX | Tags: back-contact, IBC, passivating contact, POLO, silicon, solar cell

2015

D. B. Needleman, H. Wagner, P. P. Altermatt, and T. Buonassisi

Assessing the device-performance impacts of structural defects with TCAD modelling Journal Article

Energy Procedia 77 , 8-14, (2015), ISSN: 1876-6102, (5th International Conference on Silicon Photovoltaics, SiliconPV 2015).

Links | BibTeX | Tags: dislocation, grain boundary, modeling, photovoltaics, silicon, solar cell

F. Heinemeyer, V. Steckenreiter, F. Kiefer, and R. Peibst

Hierarchical Etching for Improved Optical Front-side Properties of Monocrystalline Si Solar Cells Journal Article

Energy Procedia 77 , 810-815, (2015), ISSN: 1876-6102, (5th International Conference on Silicon Photovoltaics, SiliconPV 2015).

Links | BibTeX | Tags: plasma etching, solar cell, texture

D. Zielke, C. Niehaves, W. Lövenich, A. Elschner, M. Hörteis, and J. Schmidt

Organic-silicon solar cells exceeding 20% efficiency Journal Article

Energy Procedia 77 , 331-339, (2015), ISSN: 1876-6102, (5th International Conference on Silicon Photovoltaics, SiliconPV 2015).

Links | BibTeX | Tags: Organic-silicon, PEDOT:PSS, solar cell, surface passivation

2014

D. Zielke, A. Pazidis, F. Werner, and J. Schmidt

Organic-silicon heterojunction solar cells on n-type silicon wafers: the BackPEDOT concept Journal Article

Solar Energy Materials and Solar Cells 131 , 110-116, (2014), (SiliconPV 2014).

Links | BibTeX | Tags: heterojunction, Organic-silicon, PEDOT:PSS, saturation current density, solar cell

U. Römer, A. Merkle, R. Peibst, T. Ohrdes, B. Lim, J. Krügener, and R. Brendel

Ion-implanted poly-Si/ c-Si junctions as a back-surface field in back junction back contacted solar cells Inproceedings

WIP (Ed.): Proceedings of the 29th European Photovoltaic Solar Energy Conference, 1107-1110, Amsterdam, The Netherlands, (2014), ISBN: 3-936338-34-5.

Links | BibTeX | Tags: back contact, back junction, Passivated Contact, recombination, solar cell

2012

V. Jung, F. Heinemeyer, and M. Köntges

Long-term stable encapsulated solder joints on an Al/Ni:V/Ag metallization for silicon solar cells Journal Article

Energy Procedia 21 , 84-91, (2012), ISSN: 1876-6102, (Proceedings of Third Metallization Workshop on Metallization for Crystalline Silicon Solar Cells).

Links | BibTeX | Tags: crystalline silicon, evaporation, laminate, long-term stable, metallization, solar cell, solder joint, sputtering

2011

D. Zielke, J. H. Petermann, F. Werner, B. Veith-Wolf, R. Brendel, and J. Schmidt

21.7 % Efficient PERC Solar Cells with AlOx Tunneling Layer Inproceedings

WIP (Ed.): 26th European Photovoltaic Solar Energy Conference and Exhibition, 1115-1119, Hamburg, Germany, (2011), ISBN: 3-936338-27-2.

Links | BibTeX | Tags: Contact, passivation, solar cell

U. Eitner, S. Kajari-Schröder, M. Köntges, and H. Altenbach

Thermal Stress and Strain of Solar Cells in Photovoltaic Modules Book Chapter

Shell-like Structures: Non-classical Theories and Applications, 453-468, Springer Berlin Heidelberg, Berlin, Heidelberg, (2011), ISBN: 978-3-642-21855-2.

Abstract | Links | BibTeX | Tags: photovoltaic, solar cell, thermal stress

2010

K. Bothe, R. Krain, R. Falster, and R. Sinton

Determination of the bulk lifetime of bare multicrystalline silicon wafers Journal Article

Progress in Photovoltaics: Research and Applications 18 (3), 204-208, (2010), ISSN: 1099-159X.

Links | BibTeX | Tags: Carrier lifetime, Multicrystalline, QSSPC, silicon, solar cell, wafer

2009

D. Hinken, K. Bothe, K. Ramspeck, S. Herlufsen, and R. Brendel

Determination of the Emitter Saturation Current Density of Silicon Solar Cells Using Photoluminescence and Quantum Efficiency Analysis Inproceedings

WIP (Ed.): 24th European Photovoltaic Solar Energy Conference, 1082-1085, Hamburg, Germany, (2009), ISBN: 3-936338-25-6.

Links | BibTeX | Tags: Characterisation, Characterization, luminescence, solar cell

2008

K. Ramspeck, K. Bothe, J. Schmidt, and R. Brendel

Correlation between spatially resolved solar cell efficiency and carrier lifetime of multicrystalline silicon Journal Article

Journal of Materials Science: Materials in Electronics 19 (1), 4-8, (2008), ISSN: 1573-482X.

Links | BibTeX | Tags: Carrier lifetime, maximum power point, multricrystalline silicon, solar cell, solar cell efficiency

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