Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2021Laser-Powered Co-Firing Process for Highly Efficient Si Solar Cells
Ourinson, D.; Emanuel, G.; Rahmanpour, K.; Ogiewa, F.; Müller, H.; Krassowski, E.; Höffler, H.; Clement, F.; Glunz, S.W.
Journal Article
2021Spatially Resolved Determination of Metallization-Induced Recombination Losses Using Photoluminescence Imaging
Herrmann, D.; Falconi, D.R.; Lohmüller, S.; Ourinson, D.; Fell, A.; Höffler, H.; Brand, A.A.; Wolf, A.
Journal Article
2021Thermal Laser Separation of PERC and SHJ Solar Cells
Baliozian, P.; Münzer, A.; Lohmüller, E.; Nair, A.; Fellmeth, T.; Wöhrle, N.; Höffler, H.; Spribille, A.; Preu, R.
Journal Article
2020Information on Recombination under Front Fingers Based on Fourier Analysis of Photoluminscence Images
Saint-Cast, P.; Herrmann, D.; Höffler, H.
Journal Article
2020Review and Recent Development in Combining Photoluminescence- and Electroluminescence-Imaging with Carrier Lifetime Measurements via Modulated Photoluminescence at Variable Temperatures
Höffler, H.; Schindler, F.; Brand, A.; Herrmann, D.; Eberle, R.; Post, R.; Kessel, A.; Greulich, J.; Schubert, M.C.
Conference Paper
2019Contactless determination of base resistivity on silicon wafers with highly doped surfaces
Höffler, H.; Brand, A.A.; Wirtz, W.; Greulich, J.
Journal Article
2019Determining the Generation Rate of Silicon Solar Cells from Reflection and Transmission Measurements by Fitting an Analytical Optical Model
Fell, A.; Wirtz, W.; Höffler, H.; Greulich, J.
Conference Paper
2019Extracting Metal and Edge Recombination Parameters which are Compatible with Multi-Dimensional Cell Simulations
Saint-Cast, P.; Herrmann, D.; Baliozan, P.; Stolzenburg, H.; Höffler, H.; Fell, A.
Conference Paper
2019Impact of Non-Uniform Carrier Density on the Determination of Metal Induced Recombination Losses
Herrmann, D.; Fell, A.; Höffler, H.; Lohmüller, S.; Wolf, A.
Conference Paper
2019A Novel TLM Analysis for Solar Cells
Mir, H.; Arya, V.; Höffler, H.; Brand, A.
Journal Article
2019Numerical Simulations of Photoluminescence for the Precise Determination of Emitter Contact Recombination Parameters
Herrmann, D.; Lohmüller, S.; Höffler, H.; Fell, A.; Brand, A.A.; Wolf, A.
Journal Article
2019Vignetting in Luminescence Imaging of Solar Cells
Dost, G.; Höffler, H.; Greulich, J.M.
Journal Article
2018Challenges for the Quantification of Metal Induced Recombination Losses
Herrmann, D.; Lohmüller, S.; Höffler, H.; Fell, A.; Brand, A.A.; Wolf, A.
Conference Paper
2017Analysis of the losses of industrial-type PERC solar cells
Saint-Cast, P.; Werner, S.; Greulich, J.; Jäger, U.; Lohmüller, E.; Höffler, H.; Preu, R.
Journal Article
2017Comparison of line-wise pl-imaging and area-wise pl-imaging
Höffler, H.; Dost, G.; Brand, A.; Haunschild, J.; Schremmer, H.; Bergmann, A.
Journal Article, Conference Paper
2017Impact of material and process variations on the distribution of multicrystalline silicon PERC cell efficiencies
Wasmer, S.; Greulich, J.; Höffler, H.; Wöhrle, N.; Demant, M.; Fertig, F.; Rein, S.
Journal Article
2017Review of tools and approaches for inline quality control in high efficiency silicon solar cell production
Haunschild, J.; Greulich, J.; Höffler, H.; Wasmer, S.; Emanuel, G.; Krieg, A.; Friedrich, L.; Rein, S.
Conference Paper
2017Verfahren und Vorrichtung zur Prüfung der Kontaktierungsgüte eines elektrischen Kontaktes zwischen einer Solarzelle und einer Kontaktierungseinheit
Höffler, Hannes; Rein, Stefan; Krieg, Alexander; Ramspeck, Klaus; Schenk, Stefan
Patent
2016Influence of external contacting on electroluminescence and fill factor measurements
Höffler, H.; Haunschild, J.; Rein, S.
Journal Article
2016Inline quality rating of multi-crystalline wafers based on photoluminescence images
Demant, M.; Rein, S.; Haunschild, J.; Strauch, T.; Höffler, H.; Broisch, J.; Wasmer, S.; Sunder, K.; Anspach, O.; Brox, T.
Journal Article, Conference Paper
2016Lumineszenz-Imaging Anwendungen in industrieller Fertigungsumgebung von Silicium-Solarzellen
Höffler, Hannes
Dissertation
2016Modelling and analysis of solar cell efficiency distributions
Wasmer, S.; Greulich, J.; Höffler, H.; Wöhrle, N.; Rein, S.
Presentation
2016Understanding process-related efficiency variations of mc-Si PERC cells
Wasmer, S.; Greulich, J.; Höffler, H.; Wöhrle, N.; Rein, S.
Journal Article
2015Grain-to-grain contrasts in photoluminescence images of silicon wafers
Höffler, H.; Haunschild, J.; Rein, S.
Journal Article, Conference Paper
2015Investigating the impact of parameter and process variations on multicrystalline PERC cell efficiency
Wasmer, S.; Greulich, J.; Höffler, H.; Haunschild, J.; Demant, M.; Rein, S.
Conference Paper
2015Short-circuit current density imaging methods for silicon solar cells
Fertig, F.; Padilla, M.; Breitenstein, O.; Höffler, H.; Geisemeyer, I.; Schubert, M.C.; Rein, S.
Journal Article, Conference Paper
2015Short-circuit current density imaging via PL image evaluation based on implied voltage distribution
Höffler, H.; Breitenstein, O.; Haunschild, J.
Journal Article
2014Photoluminescence image evaluation of solar cells based on implied voltage distribution
Breitenstein, O.; Höffler, H.; Haunschild, J.
Journal Article
2014Simulation of luminescence intensity combining PC1D electrical simulation with analytical optical models
Höffler, H.; Greulich, J.; Haunschild, J.; Rein, S.
Conference Paper
2014Spatially resolved determination of junction voltage of silicon solar cells
Höffler, H.; Al-Mohtaseb, H.; Wöhrle, N.; Michl, B.; Kasemann, M.; Haunschild, J.
Conference Paper, Journal Article
2014Surface recombination parameters of interdigitated-back-contact silicon solar cells obtained by modeling luminescence images
Padilla, M.; Höffler, H.; Reichel, C.; Chu, H.; Greulich, J.; Rein, S.; Warta, W.; Hermle, M.; Schubert, M.C.
Journal Article
2014Voltage calibration of luminescence images of silicon solar cells
Höffler, H.; Al-Mohtaseb, H.; Haunschild, J.; Michl, B.; Kasemann, M.
Journal Article
2013Evaluation and improvement of a feature-based classification framework to rate the quality of multicrystalline silicon wafers
Demant, M.; Höffler, H.; Schwaderer, D.; Seidl, A.; Haunschild, J.; Rein, S.
Conference Paper
2013Numerical power balance and free energy loss analysis for solar cells including optical, thermodynamic, and electrical aspects
Greulich, J.; Höffler, H.; Würfel, U.; Rein, S.
Journal Article
2012Fully solderable large-area screen-printed Al-BSF p-type Mc-Si solar cells from 100% solar grade deedstock yielding eta > 17 %
Fertig, F.; Krauß, K.; Geisemeyer, I.; Broisch, J.; Höffler, H.; Odden, J.O.; Soiland, A.-K.; Rein, S.
Conference Paper
2012Statistical evaluation of a luminescence-based method for imaging the series resistance of solar cells
Höffler, H.; Haunschild, J.; Zeidler, R.; Rein, S.
Journal Article, Conference Paper
2012Tomographic defect reconstruction of multicrystalline silicon ingots using photoluminescence images of As-Cut wafers and solar cells
Zeidler, R.; Haunschild, J.; Seeber, B.; Riepe, S.; Höffler, H.; Fertig, F.; Reis, I.; Rein, S.
Conference Paper
1985Konstruktionssystematik in der mittelstaendischen Industrie
Birkhofer, H.; Diekhoener, G.W.; Hoeffler, H.O.; Sachs, K.H.; Voegele, A.
Book
1984Konstruktionsmethodik in mittelstaendischen Unternehmen - Entwicklung eines Gleichlauf-Zwangsmischers
Diekhoener, G.W.; Birkhofer, H.; Hoeffler, H.O.; Voegele, A.; Sachs, K.H.; Kossmann, G.
Journal Article
1983Konstruktionsmethodik in mittelstaendischen Unternehme - Entwicklung eines neuen Schliess- und Sperrsystems fuer Schubladenschraenke
Diekhoener, G.W.; Birkhofer, H.; Hoeffler, H.O.; Voegele, A.
Journal Article
1983Konstruktionsmethodik in mittelstaendischen Unternehmen - Entwicklung eines Antriebs fuer einen neuartigen medizinischen Behandlungsstuhl
Diekhoener, G.W.; Birkhofer, H.; Hoeffler, H.G.; Voegele, A.
Journal Article