Veröffentlichungen

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2017

M. Rienäcker, M. Bossmeyer, A. Merkle, U. Römer, F. Haase, J. Krügener, R. Brendel, and R. Peibst

Junction resistivity of carrier-selective polysilicon on oxide junctions and its impact on solar cell performance Artikel

IEEE Journal of Photovoltaics 7 (1), 11-18, (2017), ISSN: 2156-3381.

Abstract | Links | BibTeX | Schlagwörter: Aluminum, Back-junction back-contact (BJBC) cells, boron, Conductivity, contact resistivity, Current density, Junctions, Photovoltaic cells, polysilicon, polysilicon on oxide (POLO) junctions, recombination, selective contacts, selectivity

2016

J. Krügener, F. Kiefer, R. Peibst, and H. J. Osten

Comparison of experimental emitter saturation current densities and simulated defect densities of boron-implanted emitters Inproceedings

IEEE (Hrsg.): Proceedings of the 21st International Conference on Ion Implantation Technology (IIT), Tainan, Taiwan, (2016), ISBN: 978-1-5090-2025-6.

Abstract | Links | BibTeX | Schlagwörter: Annealing, boron, Current density, Implants, Ion implantation, Ions, Photovoltaic cells

O. Breitenstein, F. Frühauf, D. Hinken, and K. Bothe

Effective diffusion length and bulk saturation current density imaging in solar cells by spectrally filtered luminescence imaging Artikel

IEEE Journal of Photovoltaics 6 (5), 1243-1254, (2016).

Abstract | Links | BibTeX | Schlagwörter: Current density, Effective diffusion length, electroluminescence imaging, Fuyuki approximation, Imaging, Limiting, luminescence, luminescence scaling factor, Nonhomogeneous media, Photovoltaic cells, saturation current density

F. Kiefer, J. Krügener, F. Heinemeyer, H. J. Osten, R. Brendel, and R. Peibst

Structural investigation of printed Ag/Al contacts on silicon and numerical modeling of their contact recombination Artikel

IEEE Journal of Photovoltaics 6 (5), 1175-1182, (2016).

Abstract | Links | BibTeX | Schlagwörter: Ag/Al paste, boron emitters, Conductivity, Current density, Doping, metallization, Metals, Photovoltaic cells, screen-print contact, silicon, Surface treatment

B. Lim, T. Brendemühl, T. Dullweber, and R. Brendel

Loss analysis of n-type passivated emitter and rear totally diffused back-junction silicon solar cells with efficiencies up to 21.2% Artikel

IEEE Journal of Photovoltaics 6 (2), 447-453, (2016).

Abstract | Links | BibTeX | Schlagwörter: boron, Current density, Layout, Phosphorus, Photovoltaic cells, Resistance, silicon, Simulation

S. Schäfer, C. Gemmel, S. Kajari-Schröder, and R. Brendel

Light trapping and surface passivation of micron-scaled macroporous blind holes Artikel

IEEE Journal of Photovoltaics 6 (2), 397-403, (2016).

Abstract | Links | BibTeX | Schlagwörter: Absorption, charge carrier lifetime, Current density, Etching, Optical losses, optical reflectivity, Optical variables measurement, silicon, Surface texture

2015

O. Breitenstein, J. Bauer, D. Hinken, and K. Bothe

Towards more accurate imaging of the local saturation current density in solar cells by using alternative PL evaluation methods Inproceedings

IEEE (Hrsg.): 2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC), New Orleans, LA, USA , (2015), ISBN: 978-1-4799-7944-8.

Links | BibTeX | Schlagwörter: 2D device simulation, Current density, Imaging, Laplace equations, Local analysis, Nonhomogeneous media, Photoluminescence imaging, Photovoltaic cells, Quantitative evaluation, Resistance, Saturation current density imaging, Voltage measurement

2014

F. Kiefer, R. Peibst, T. Ohrdes, J. Krügener, H. J. Osten, and R. Brendel

Emitter recombination current densities of boron emitters with silver/aluminum pastes Inproceedings

IEEE (Hrsg.): 2014 IEEE 40th Photovoltaic Specialist Conference (PVSC) , 2808-2812, Denver, CO, USA, (2014), ISBN: 978-1-4799-4398-2.

Links | BibTeX | Schlagwörter: boron, Current density, emitter, Implants, metallization, Photovoltaic cells, screen print, silicon, surface recombination

2013

F. Haase, S. Kajari-Schröder, and R. Brendel

High efficiency back-contact back-junction thin-film monocrystalline silicon solar cells from the porous silicon process Artikel

Journal of Applied Physics 114 (19), 194505, (2013).

Links | BibTeX | Schlagwörter: Current density, Epitaxy, quantum mechanics, rough surfaces, silicon

J. Schmidt, V. Titova, and D. Zielke

Organic-silicon heterojunction solar cells: open-circuit voltage potential and stability Artikel

Applied Physics Letters 103 (18), 183901, (2013).

Links | BibTeX | Schlagwörter: Current density, electric measurements, silicon, Solar Cells, surface passivation

2012

J. Müller, K. Bothe, S. Herlufsen, T. Ohrdes, and R. Brendel

Reverse saturation current density imaging of highly doped regions in silicon employing photoluminescence measurements Artikel

IEEE Journal of Photovoltaics 2 (4), 473-478, (2012).

Links | BibTeX | Schlagwörter: Charge carrier density, Current density, Highly doped regions, Imaging, photoluminescence, Photovoltaic cells, silicon, silicon solar cells

M. Müller, P. P. Altermatt, K. Schlegel, and G. Fischer

A Method for Imaging the Emitter Saturation Current With Lateral Resolution Artikel

IEEE Journal of Photovoltaics 2 (4), 586-588, (2012), ISSN: 2156-3381.

Links | BibTeX | Schlagwörter: Crystalline materials, Crystalline Si solar cells, Current density, emitter saturation current density, photoluminescence, photoluminescence (PL), Photovoltaic cells, Photovoltaic systems, Selective Emitter, silicon

J. Müller, S. Gatz, K. Bothe, and R. Brendel

Optimizing the geometry of local aluminum-alloyed contacts to fully screen-printed silicon solar cells Inproceedings

IEEE (Hrsg.): 2012 38th IEEE Photovoltaic Specialists Conference , 002223-002228, Austin, TX, USA, (2012), ISBN: 978-1-4673-0064-3.

Links | BibTeX | Schlagwörter: Analytical Model, Analytical models, Current density, local Al alloyed contacts, metallization, Photovoltaic cells, Reflectivity, Resistance, Screen printing, silicon, silicon solar cells

2011

F. Haase, S. Eidelloth, R. Horbelt, K. Bothe, E. G. Rojas, and R. Brendel

Loss analysis of back-contact back-junction thin-film monocrystalline silicon solar cells Inproceedings

IEEE (Hrsg.): 2011 37th IEEE Photovoltaic Specialists Conference, 002874-002877, Seattle, WA, USA, (2011), ISSN: 0160-8371.

Links | BibTeX | Schlagwörter: Current density, Electrical resistance measurement, Fingers, Photovoltaic cells, Resistance, silicon, Surface treatment

2010

J. Müller, K. Bothe, S. Gatz, F. Haase, C. Mader, and R. Brendel

Recombination at laser-processed local base contacts by dynamic infrared lifetime mapping Artikel

Journal of Applied Physics 108 (12), 124513, (2010).

Links | BibTeX | Schlagwörter: charge carriers, Current density, metallization, passivation, point contacts

R. Bock, J. Schmidt, S. Mau, B. Hoex, and R. Brendel

The ALU+ Concept: N-Type Silicon Solar Cells With Surface-Passivated Screen-Printed Aluminum-Alloyed Rear Emitter Artikel

IEEE Transactions on Electron Devices 57 (8), 1966-1971, (2010), ISSN: 0018-9383.

Links | BibTeX | Schlagwörter: aluminium oxide, Aluminum oxide, amorphus silicon, atomic layer deposition, Current density, emitter passivation, Etching, metallization, n-type silicon, passivation, Photovoltaic cells, screen-printed emitter, silicon

2009

R. Bock, J. Schmidt, S. Mau, B. Hoex, E. Kessels, and R. Brendel

The ALU+ concept: N-type silicon solar cells with surface-passivated screen-printed aluminum-alloyed rear emitter Inproceedings

IEEE (Hrsg.): 2009 34th IEEE Photovoltaic Specialists Conference (PVSC), 000030-000035, Philadelphia, PA, USA, (2009), ISSN: 0160-8371.

Links | BibTeX | Schlagwörter: Aluminum oxide, Amorphous silicon, atomic layer deposition, Chemicals, Current density, passivation, Plasma chemistry, Plasma displays, Silicon compounds, Stability

2008

R. Brendel, S. Dreissigacker, N. -P. Harder, and P. P. Altermatt

Theory of analyzing free energy losses in solar cells Artikel

Applied Physics Letters 93 (17), 173503, (2008).

Links | BibTeX | Schlagwörter: charged currents, Current density, electrical resistivity, electrons, free energy

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