26th European Photovoltaic Solar Energy Conference, Hamburg, Germany (5-9 September 2011)
Luminescence imaging versus lock-in thermography on solar cells and wafers, O. Breitenstein, J. Bauer, K. Bothe, D. Hinken, J. Müller, W. Kwapil, M. C. Schubert, and W. Warta
19.4%-efficient large-area rear-passivated screen-printed silicon solar cells, T. Dullweber, S. Gatz, H. Hannebauer, T. Falcon, R. Hesse, J. Schmidt, and R. Brendel
Thermomechanics of PV modules including the viscoelasticy of EVA, U. Eitner, M. Pander, S. Kajari-Schröder, M. Köntges and H. Altenbach
Laser transfer doping using amorphous silicon, R. Ferré, R. Gogolin, J. Müller, N. P. Harder, M. Kessler, C. Mader, P. Giesel, T. Neubert, R. Brendel
Firing stability of SiNy/SiNx surface passivation stacks for crystalline silicon solar cells, S. Gatz, F. Einsele, T. Dullweber, and R. Brendel
18.9%-efficient screen-printed solar cells applying a print-on-print process, H. Hannebauer, T. Falcon, R. Hesse, T. Dullweber, and R. Brendel
Inline high-rate deposition of aluminum onto RISE solar cells by electron beam technology, J. Heinss, C. Mader, A. Merkle, T. Brendemuehl, R. Brendel, L. Ehlers, R. Meyer
Crack statistic of crystalline silicon photovoltaic modules, M. Köntges, S. Kajari-Schröder, I. Kunze, U. Jahn
Light-induced degradation of the carrier lifetime in n-type Czochralski-grown silicon doped with boron and phosphorus, B. Lim, K. Bothe, V. V. Voronkov, R. Falster, and J. Schmidt
21.7% efficient PERC solar cells with AlOx tunneling layer, D. Zielke, J. H. Petermann, F. Werner, B. Veith, R. Brendel, and J. Schmidt
37th IEEE Photovoltaic Specialists Conference, Seattle, USA (19-24 June 2011)
Can luminescence imaging replace lock-in thermography on solar cells?, O. Breitenstein, J. Bauer, K. Bothe, D. Hinken, J. Müller, W. Kwapil, M. C. Schubert, and W. Warta
High-efficiency cells from layer transfer: a first step toward thin-film/wafer hybrid silicon technologies, R. Brendel, J. H. Petermann, D. Zielke, H. Schulte-Huxel, M. Kessler, S. Gatz, S. Eidelloth, R. Bock, E. Garralaga Rojas, J. Schmidt, and T. Dullweber
Evaluation of series resistance losses in screen-printed solar cells with local rear contacts, S. Gatz, T. Dullweber, and R. Brendel
Loss analysis of back-contact back-junction thin-film monocrystalline silicon solar cells, F. Haase, S. Eidelloth, R. Horbelt, K. Bothe, E. Garralaga Rojas, and R. Brendel
Spatial and directional distribution of cracks in silicon PV modules after uniform mechanical loads, S. Kajari-Schröder, I. Kunze, U. Eitner, and M. Köntges
High-efficiency back-junction silicon solar cell with an inline-evaporated aluminum front grid, M. Kessler, D. Münster, T. Neubert, C. Mader, J. Schmidt, and R. Brendel
High-efficiency n-type emitter-wrap-through silicon solar cells, F. Kiefer, C. Ulzhöfer, T. Brendemühl, N. Harder, R. Brendel, V. Mertens, S. Bordihn, C. Peters, and J. W. Müller
Interdigitated back-contacted silicon heterojunction solar cells with improved fill factor and efficiency, N. Mingirulli, J. Haschke, R. Gogolin, R. Ferré, T. F. Schulze, J. Düsterhöft, N. P. Harder, L. Korte
Recombination activity and impact of the boron-oxygen-related defect in compensated n-type silicon, F. E. Rougieux, M. Forster, D. Macdonald, A. Cuevas, B. Lim, and J. Schmidt
Spatially separated atomic layer deposition of Al2O3 – a new option for high-throughput Si solar cell passivation, B. Vermang, F. Werner, W. Stals, A. Lorenz, A. Rothschild, J. John, J. Poortmans, R. Mertens, R. Gortzen, F. Roozeboom, and J. Schmidt
Improving the predictive power of modeling the emitter diffusion by fully including the phosphosilicate glass (PSG) layer, H. Wagner, A. Dastgheib-Shirazi, R. Chen, S. T. Dunham, M. Kessler, and P. P. Altermatt
1st SiliconPV Conference, 17-20 April 2011, Freiburg, Germany
Analysis of local Al-doped back surface fields for high-efficiency screen-printed solar cells, Gatz S., Bothe K., Müller J., Dullweber T., Brendel R.
Layer selective laser ablation for local contacts to thin emitters, Haase F., Garralaga Rojas E., Bothe K., Brendel R.
Formation of locally aluminum-doped p-type silicon regions by in-line high-rate evaporation, Mader C., Bock R., Müller J., Schmidt J., Brendel R.
Recombination at local aluminum-alloyed silicon solar cell base contacts by dynamic infrared lifetime mapping, Müller J., Bothe K., Gatz S., Plagwitz H., Schubert G., Brendel R.
Solar cell emitter design with PV-tailored implantation, Ohrdes T., Steingrube S., Wagner H., Zechner C., Letay G., Chen R., Dunham S. T., Altermatt P. P.
Determination of the collection diffusion length by electroluminescence imaging, Schinke C., Hinken D., Bothe K., Ulzhöfer C., Milsted A., Schmidt J., Brendel R.
Loss analysis and improvements of industrially fabricated Cz-Si solar cells by means of process and device simulations, Steingrube S., Wagner H., Hannebauer H., Gatz S., Chen R., Dunham S. T., Dullweber T., Altermatt P. P., Brendel R.
Comparison of the thermal stability of single Al2O3 layers and Al2O3/SiNx stacks for the surface passivation of silicon, Veith B., Werner F., Zielke D., Brendel R., Schmidt J.
High-rate atomic layer deposition of Al2O3 for the surface passivation of Si solar cells, Werner F., Stals W., Görtzen R., Veith B., Brendel R., Schmidt J.
25th European Photovoltaic Solar Energy Conference, Valencia, Spain (6-10 September 2010)
N-type Cz-Si solar cells with screen-printed Aluminium-alloyed rear emitter, Bock R., Hesse R., Schmidt J., Brendel R., Maier J., Geyer B., Koopmann J., Kerp H.
Determining the bulk lifetime of unpassivated multicrystalline silicon wafers, Bothe K., Krain R., Brendel R., Falster R., Sinton R.
Open source graphical user interface in MATLAB for two-dimensional simulations solving the fully coupled semiconductor equations using COMSOL, Eidelloth S., Eitner U., Steingrube S., Brendel R.
Non-linear mechanical properties of ethylene-vinyl acetate (EVA) and its relevance to thermomechanics of photovoltaic modules, Eitner U., Kajari-Schröder S., Köntges M., Brendel R.
Bulk lifetime enhancement by firing steps in back-contacted multicrystalline silicon solar cells, Ferré R., Harder N.-P., Mühleisen W., Herlufsen S., Ulzhöfer C., Schubert M. C., Wade R., Mertens V., Brendel R.
Inline high-rate thermal evaporation of Aluminum for novel industrial solar cell metallization, Heinemeyer F., Mader C., Münster D., Dullweber T., Brendel R.
Dynamic lifetime imaging based on photoluminescence measurements, Herlufsen S., Ramspeck K., Hinken D., Schmidt A., Müller J., Bothe K., Schmidt J., Brendel R.
Determination of the base dopant concentration of large area crystalline silicon solar cells, Hinken D., Milsted A., Bock R., Fischer B., Bothe K.
Impact of lateral variations on the solar cell efficiency, Hinken D., Bothe K., Brendel R.
DAIDALOS – A plugin-based framework for extendable ray tracing, Holst H., Altermatt P., Brendel R.
Modelling the curing dynamics of ethylene-vinyl acetate, Kajari-Schröder S., Eitner U., Oprisoni C., Alshuth T., Köntges M., Brendel R.
Quantifying the risk of power loss in PV modules due to microcracks, Köntges M., Kunze I., Kajari-Schröder S., Breitenmoser X., Bjørneklett B.
Effect of SiN deposition temperature on surface passivation of n-type Cz-Si substrates using thermal SiO2/PECVD-SiN stacks, Larionova Y., Harder N.-P., Brendel R.
Boron-oxygen-related recombination centers in compensated silicon, Lim B., Liu A., Rougieux F., Macdonald D., Bothe K., Schmidt J.
Electron and hole mobility reduction and Hall factor in phosphorus-compensated p-type silicon, Rougieux F., Cuevas A., Ruffell S., Schmidt J., Lim B. Knights A.
Industrially relevant Al2O3 deposition techniques for the surface passivation of Si solar cells, Schmidt J., Werner F., Veith B., Zielke D., Bock R., Tiba V., Poodt P., Roozeboom F., Li A., Cuevas A., Brendel R.
Reduced passivation of silicon surfaces at low injection densities caused by H-induced defects, Steingrube S., Altermatt P., Zielke D., Werner F., Schmidt J., Brendel R.
Improved understanding of recombination at the Si/Al2O3 interface, Werner F., Veith B., Zielke D., Kühnemund L., Tegenkamp C., Seibt M., Schmidt J., Brendel R.
35th IEEE Phototovoltaic Specialists Conference, Honolulu, HI, USA (20-25 June 2010)
Layer transfer of large area macroporous silicon for monocrystalline thin-film solar cells Ernst M., Brendel R.
Trapping-related recombination of charge carriers in silicon Gogolin R., Harder N.-P., Brendel R.
Influence of emitter profile characteristics on thermal stability and passivation quality of a-Si/SiNx-passivated boron emitters Kessler M., Gatz S., Altermatt P., Harder N.-P., Brendel R.
Effect of SiO2 thickness in thermal SiO2/PECVD-SiNx stacks on surface passivation of n-type Cz-Si substrates Larionova Y., Hader N.-P., Brendel R.
Rear-side point contacts by inline thermal evaporation of Aluminum Mader C., Müller J., Gatz S., Dullweber T., Brendel R.
Silicon surface passivation by ultrathin Al2O3 films and Al2O3/SiNx stacks Schmidt J., Veith B., Werner F., Zielke D., Brendel R.
24th European Photovoltaic Solar Energy Conference, Hamburg, Germany (21-25 September 2009)
Highly predictive modelling of entire Si solar cells for industrial applications Altermatt P.P., Steingrube S., Yang Y., Sprodowski C., Dezhdar T., Koc S., Veith B., Herrman S., Bock R., Bothe K., Schmidt J., Brendel R.
Imaging and analysis of pre-breakdown sites in multicrystalline silicon solar cells Bothe K., Hinken D., Ramspeck K., Herlufsen S., Schmidt J., Brendel R., Bauer J., Wagner J.-M., Zakharov N., and Breitenstein O.
Formation of mesoporous germanium by electrochemical etching for lift-off processes Garralaga Rojas E., Terheiden B., Hensen J., Köstler W., Zimmermann W., Strobl G., Plagwitz H., and Brendel R.
Camera-based photoluminescence lifetime imaging of crystalline silicon wafers Herlufsen S., Schmidt J., Hinken D., Bothe K., and Brendel R.
Determination of the emitter saturation current density of silicon solar cells using photoluminescence and quantum efficiency analysis Hinken D., Bothe K., Ramspeck K., Herlufsen S., and Brendel R.
Quantitative analysis of PV modules by electroluminescence images for quality control Köntges M., Siebert M., Hinken D., Eitner U., Bothe K., and Potthof T.
Low-temperature gettering of iron in mono- and multicrystalline silicon Krain R., Herlufsen S., and Schmidt J.
Boron-oxygen defects in compensated p-type Czochralski silicon Macdonald D., Liu A., Rougieux F., Cuevas A., Lim B., Schmidt J., Di Sabatino M., and Geerligs L.J.
The buried emitter solar cell concept: interdigitated back-junction structure with virtually 100% emitter coverage of the cell area Mertens V., Bordihn S., Larionova Y., Harder N.-P., and Brendel R.
Dynamic ILM – an approach to infrared-camera-based dynamical lifetime imaging Ramspeck K., Bothe K., Schmidt J., and Brendel R.
VIRE effect: via-resistance-induced recombination enhancement – The origin of reduced fill factors of emitter wrap through solar cells Ulzhöfer C., Hermann S., Harder N.-P., Altermatt P.P., Brendel R., Wade R., Engelhart P., Hlusiak M., Peters C., Rychtarik D., and Müller J. W.
34th IEEE Phototovoltaic Specialists Conference, Philadelphia, USA (7-12 June 2009)
High speed laser structuring of crystalline silicon solar cells Eidelloth S., Neubert T., Brendemühl T., Hermann S, Giesel P., Brendel R.
Simulation of optical properties of Si wire cells Altermatt P. P., Yang Y., Langer T., Schenk A., Brendel R.
The ALU+ concept: n-type silicon solar cells with surface-passivated screen-printed aluminum-alloyed rear emitter Bock R., Schmidt J., Mau S., Hoex B., Kessels E., Brendel R.
Measuring thermomechanical displacements of solar cells in laminates using digital image correlation Eitner U., Köntges M., Brendel R.
Formation of mesoporous gallium arsenide for lift-off processes by electrochemical etching Garralaga Rojas E., Hampe C., Plagwitz H., Brendel R.
Back-contact monocrystalline thin-film silicon solar cells from the porous silicon process F. Haase F., Horbelt R., Terheiden B., Plagwitz H., Brendel R.
Characterisation and implications of the boron rich layer resulting from open-tube liquid source BBr3 boron diffusion processes Kessler M. A., Ohrdes T., Wolpensinger B., Bock R., Harder N. P.
Lifetimes in aluminum-doped silicon Schmidt J., Thiemann N., Bock R., Brendel R.
23rd European Photovoltaic Solar Energy Conference and Exhibition, Valencia (1-5 September 2008)
Permanent deactivation of the boron-oxygen recombination center in silicon solar cells
Lim B., Hermann S., Bothe K., Schmidt J., Brendel R.
Thermal stability of a-Si:H / SiN stacks for passivating crystalline silicon solar cells
Gatz S., Plagwitz H., Altermatt P. P., Terheiden B., Brendel R.
Understanding the lifetime evolution in n-type mc-Si during phosphorous gettering and hydrogenation
Ulzhöfer C., Wolpensinger B., Schmidt J.
Inkjet solution for direct printing of local diffusion barriers on solar cells
Köhler I., Stockum W., Meijer A., Qu H., Bock R., Gatz S., Prütz M., Terheiden B., Plagwitz H.
Accurate extraction of doping profiles from electrochemical capacitance voltage measurements
Bock R., Altermatt P. P., Schmidt J.
Process Characterisation of picosecond laser ablation of SiO2 and SiNx layers on planar and textured surfaces
Hermann S., Neubert T., Wolpensinger B., Harder N.-P., Brendel R.
Progress in the surface passivation of silicon solar cells
Schmidt J., Merkle A., Bock R., Altermatt P. P., Cuevas A., Hoex B., van de Sanden R., Kessels E., Brendel R.
Crystalline silicon thin-film solar cells from the porous silicon process applying convection assisted chemical vapour deposition
Terheiden B., Kunz T., Burkert I., Horbelt R., Plagwitz H., Brendel R.
A modelling approach to the optimization of interconnects for back contact cells by thermomechanical simulations of photovoltaic modules
Eitner U., Altermatt P. P., Köntges M., Meyer R., Brendel R.
A novel photovoltaic-module assembly system using back contact solar cells using on laser soldering technique
Koentges M., Gast M., Bredel R., Meyer R., Giegerich A., Merz P.
33rd IEEE Phototovoltaic Specialists Conference, San Diego, USA (11-16 May 2008)
Electron microscopy analysis of silicon islands and line structures formed on screen-printed Al-doped p+ surfaces Bock R., Schmidt J., Brendel R., Schuhmann H., Seibt M.
Crystalline silicon surface passivation by the negative-charge-dielectric Al2O3 Hoex B., Schmidt J., van de Sanden R., Kessels E.
Modeling the generation and dissociation of the boron-oxygen complex in B-doped Cz-Si Lim B., Bothe K., Schmidt J.
Atomic-layer-deposited aluminum oxide for the surface passivation of high-efficiency silicon solar cells Schmidt J., Merkle A., Hoex B., van de Sanden R., Kessels E., Brendel R.