Publications

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193 entries « 1 of 8 »

2021

S. Schäfer, A. Mercker, A. Köhler, T. Neubert, L. Mettner, B. Wolpensinger, V. Mertens, and R. Peibst

Role of oxygen in the UV-ps laser triggered amorphization of poly-Si for Si solar cells with local passivated contacts Journal Article

Journal of Applied Physics 129 (13), 133103, (2021).

Abstract | Links | BibTeX | Tags: Chemical elements, Chemical processes, electric measurements, Lasers, optical properties, passivation, Semiconductor materials, silicon, Solar Cells, Transmission electron microscopy

M-U. Halbich, and J. Schmidt

Extraction of PEDOT:PSS/c-Si Junction Properties by Modeling of Injection-Dependent Lifetime Measurements Including Depletion Region Modulation Journal Article

physica status solidi (RRL) – Rapid Research Letters 15 (4), 2100008, (2021).

Abstract | Links | BibTeX | Tags: carrier lifetimes, depletion region modulation, heterojunctions, PEDOT:PSS, silicon

2020

L. Helmich, D. C. Walter, D. Bredemeier, and J. Schmidt

Atomic-Layer-Deposited Al2O3 as Effective Barrier against the Diffusion of Hydrogen from SiNx:H Layers into Crystalline Silicon during Rapid Thermal Annealing Journal Article

physica status solidi (RRL) – Rapid Research Letters 14 (12), 2000367, (2020).

Abstract | Links | BibTeX | Tags: Aluminum oxide, defects, diffusion, Hydrogen, silicon

M. Winter, L. Helmich, D. C. Walter, and J. Schmidt

Firing-Triggered LID (FT-LID) of the Carrier Lifetime in Cz-Si Inproceedings

WIP (Ed.): Proceedings of the 37th European Photovoltaic Solar Energy Conference and Exhibition, 462–467, Online Event, (2020).

Abstract | Links | BibTeX | Tags: defects, Degradation, LID, Lifetime, silicon

M. Winter, S. Bordihn, R. Peibst, R. Brendel, and J. Schmidt

Degradation and Regeneration of n+-Doped Poly-Si Surface Passivation on p-Type and n-Type Cz-Si Under Illumination and Dark Annealing Journal Article

IEEE Journal of Photovoltaics 10 (2), 423-430, (2020), ISSN: 2156-3403.

Abstract | Links | BibTeX | Tags: Carrier lifetime, Degradation, Poly-Si, Poly-Si on oxide (POLO), silicon, surface passivation

J. Schmidt, K. Bothe, V. V. Voronkov, and R. Falster

Fast and Slow Stages of Lifetime Degradation by Boron–Oxygen Centers in Crystalline Silicon Journal Article

physica status solidi (b) 257 (1), 1900167, (2020).

Abstract | Links | BibTeX | Tags: defects, Lifetime, light-induced degradation (LID), recombination, silicon

2019

J. Schmidt, D. Bredemeier, and D. C. Walter

On the Defect Physics Behind Light and Elevated Temperature-Induced Degradation (LeTID) of Multicrystalline Silicon Solar Cells Journal Article

IEEE Journal of Photovoltaics 9 (6), 1497-1503, (2019).

Abstract | Links | BibTeX | Tags: defects, Degradation, Hydrogen, metallic impurity, multicrystalline silicon (mc-Si), silicon, Solar Cells

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

Easy-to-Apply Methodology to Measure the Hydrogen Concentration in Boron-Doped Crystalline Silicon Presentation/Poster

Leuven, Belgium, 09.04.2019, (SiliconPV 2019, 9th International Conference on Silicon Photovoltaics).

BibTeX | Tags: Hydrogen, silicon

B. Veith-Wolf, and J. Schmidt

Low-Temperature Silicon Surface Passivation for Bulk Lifetime Studies Based on Corona-Charged Al2O3 Presentation/Poster

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

BibTeX | Tags: silicon, surface passivation

2018

B. A. Veith-Wolf, S. Schäfer, R. Brendel, and J. Schmidt

Reassessment of intrinsic lifetime limit in n-type crystalline silicon and implication on maximum solar cell efficiency Journal Article

Solar Energy Materials and Solar Cells 186 , 194-199, (2018), ISSN: 0927-0248.

Abstract | Links | BibTeX | Tags: Aluminum oxide, Auger recombination, charge carrier lifetime, Intrinsic lifetime, silicon, surface passivation

M. Schnabel, M. Rienäcker, E. L. Warren, J. F. Geisz, R. Peibst, P. Stradins, and A. C. Tamboli

Equivalent Performance in Three-Terminal and Four-Terminal Tandem Solar Cells Journal Article

IEEE Journal of Photovoltaics 8 (6), 1584-1589, (2018), ISSN: 2156-3381.

Abstract | Links | BibTeX | Tags: Absorption, Computer architecture, Current measurement, Density measurement, III-V semiconductor materials, Microprocessors, Photovoltaic cells, Power system measurements, silicon

B. Lim, A. Merkle, R. Peibst, T. Dullweber, Y. Wang, and R. Zhou

LID - Free PERC+ Solar Cells with Stable Efficiencies Up to 22.1% Inproceedings

WIP (Ed.): Proceedings of the 35th European Photovoltaic Solar Energy Conference and Exhibition, 359-365, Brussels, Belgium, (2018).

Abstract | Links | BibTeX | Tags: Czochralski (Cz), LID, PERC, silicon, Simulation

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

2017

B. A. Veith-Wolf, and J. Schmidt

Unexpectedly High Minority-Carrier Lifetimes Exceeding 20 ms Measured on 1.4-Ω cm n-Type Silicon Wafers Journal Article

physica status solidi (RRL) – Rapid Research Letters 11 (11), 1700235, (2017), ISSN: 1862-6270, (1700235).

Abstract | Links | BibTeX | Tags: Al2O3, Auger recombination, intrinsic recombination, minority carrier lifetime, silicon, surface passivation

B. Min, M. Müller, H. Wagner, G. Fischer, R. Brendel, P. P. Altermatt, and H. Neuhaus

A Roadmap Toward 24 % Efficient PERC Solar Cells in Industrial Mass Production Journal Article

IEEE Journal of Photovoltaics 7 (6), 1541-1550, (2017), ISSN: 2156-3381.

Abstract | Links | BibTeX | Tags: Conductivity, Mass production, metallization, Passivated emitter and rear cell (PERC) solar cells, Photovoltaic cells, roadmap, Semiconductor device modeling, silicon, silicon solar cells

M. Rienäcker, M. Schnabel, E. Warren, A. Merkle, H. Schulte-Huxel, T. R. Klein, M. F. A. M. van Hest, M. A. Steiner, J. Geisz, S. Kajari-Schröder, R. Niepelt, J. Schmidt, R. Brendel, P. Stradins, A. Tamboli, and R. Peibst

Mechanically Stacked Dual-Junction and Triple-Junction III-V/Si-IBC Cells with Efficiencies of 31.5 % and 35.4 % Inproceedings

WIP (Ed.): Proceedings of the 33rd European Photovoltaic Solar Energy Conference and Exhibition, 1-4, Amsterdam, The Netherlands, (2017), ISBN: 3-936338-47-7.

Abstract | Links | BibTeX | Tags: III-V, Multijunction, silicon

R. Witteck, B. Min, H. Schulte-Huxel, H. Holst, B. Veith-Wolf, F. Kiefer, M. R. Vogt, M. Köntges, R. Peibst, and R. Brendel

UV radiation hardness of photovoltaic modules featuring crystalline Si solar cells with AlOx/p+-type Si and SiNy/n+-type Si interfaces Journal Article

physica status solidi (RRL) – Rapid Research Letters 11 (8), 1700178, (2017), ISSN: 1862-6270, (1700178).

Abstract | Links | BibTeX | Tags: ethylene vinyl acetate, PERC solar cells, radiation hardness, silicon, solar modules, UV degradation

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

T. F. Wietler, D. Tetzlaff, J. Krügener, M. Rienäcker, F. Haase, Y. Larionova, R. Brendel, and R. Peibst

Pinhole density and contact resistivity of carrier selective junctions with polycrystalline silicon on oxide Journal Article

Applied Physics Letters 110 (25), 253902, (2017).

Abstract | Links | BibTeX | Tags: electrical resistivity, Etching, optical multistability, Scanning electron microscopy, silicon

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

Perimeter recombination in 25 %-efficient IBC solar cells with passivating POLO contacts for both polarities Inproceedings

IEEE (Ed.): Proceedings of the 44th IEEE Photovoltaic Specialists Conference, Washington, DC, USA, (2017).

BibTeX | Tags: silicon

V. Steckenreiter, D. C. Walter, and J. Schmidt

Kinetics of the permanent deactivation of the boron-oxygen complex in crystalline silicon as a function of illumination intensity Journal Article

AIP Advances 7 (3), 035305, (2017).

Abstract | Links | BibTeX | Tags: carrier density, illumination, plasma chemical vapor deposition, semiconductor device fabrication, silicon

C. Gemmel, J. Hensen, S. Kajari-Schröder, and R. Brendel

4.5 ms Effective Carrier Lifetime in Kerfless Epitaxial Silicon Wafers From the Porous Silicon Process Journal Article

IEEE Journal of Photovoltaics 7 (2), 430-436, (2017), ISSN: 2156-3381.

Abstract | Links | BibTeX | Tags: charge carrier lifetime, Epitaxial growth, Epitaxy, Gettering, minority carrier lifetime, porous silicon (PSI), silicon, Substrates, Surface treatment, Temperature measurement

M. R. Vogt, H. Schulte-Huxel, M. Offer, S. Blankemeyer, R. Witteck, M. Köntges, K. Bothe, and R. Brendel

Reduced module operating temperature and increased yield of modules with PERC instead of Al-BSF solar cells Journal Article

IEEE Journal of Photovoltaics 7 (1), 44-50, (2017), ISSN: 2156-3381.

Abstract | Links | BibTeX | Tags: Glass, Mathematical model, Nominal operating cell temperature (NOCT), operating temperature, passivated emitter rear cell (PERC), photovoltaic (PV) module, Photovoltaic cells, PV module thermal properties, ray tracing, silicon, Temperature measurement, Temperature sensors, Thermal conductivity

2016

R. Brendel, and R. Peibst

Contact selectivity and efficiency in crystalline silicon photovoltaics Journal Article

IEEE Journal of Photovoltaics 6 (6), 1413-1420, (2016).

Abstract | Links | BibTeX | Tags: Contact resistance, Junctions, passivated emitter and rear cell (PERC), Photovoltaic cells, Photovoltaic systems, principle of solar cells, Resistance, selective contacts, silicon

T. Dullweber, N. Wehmeier, A. Nowack, T. Brendemühl, S. Kajari-Schröder, and R. Brendel

Industrial bifacial n-type silicon solar cells applying a boron co-diffused rear emitter and an aluminum rear finger grid Journal Article

physica status solidi (a) 213 (11), 3046-3052, (2016).

Abstract | Links | BibTeX | Tags: Aluminum, boron, boron silicate glass, emitters, silicon, Solar Cells

193 entries « 1 of 8 »

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