Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2009Precise measurement of solar cell performance in production
Warta, W.; Hohl-Ebinger, J.; Ohm, A.; Kordelos, K.; Winter, S.; Adelhelm, R.; Berger, D.; Hartmann, H.-P.; Neuhaus, D.-H.; Wald, M.; Kieliba, T.; Albert, H.; Hund, B.; Isenberg, J.; Nagel, H.; Grabitz, P.; Lattwein, W.; Fölsch, J.
Conference Paper
2006Analysis of the effects caused by parameter inhomogeneity with a 2D modelling tool based on circuit simulation
Köber, M.; Hermle, M.; Isenberg, J.; Kasemann, M.; Cardenes, H.; Warta, W.
Conference Paper
2006Verfahren und Vorrichtung zur Inaktivierung von Trapping-Effekten in dotierten Halbleitern
Schubert, M.; Rein, S.; Isenberg, J.; Warta, W.; Glunz, S.W.
Patent
2005Impact of metal silicide precipitate dissolution during rapid thermal processing of multicrystalline silicon solar cells
Buonassisi, T.; Istratov, A.A.; Peters, S.; Ballif, C.; Isenberg, J.; Riepe, S.; Warta, W.; Schindler, R.; Willeke, G.; Cai, Z.; Lai, B.; Weber, E.R.
Journal Article
2005Implementierung und Integration eines VoIP-Dienstes in eine ubiquitäre Office-Umgebung
Isenberg, J.
: Wenzel, A. (Prüfer)
Thesis
2005Injection dependent carrier density imaging measurements including correction for trapping effects
Schubert, M.C.; Isenberg, J.; Rein, S.; Bermejo, S.; Glunz, S.W.; Warta, W.
Conference Paper
2005Lock-in thermography - A universal tool for local analysis of solar cells
Breitenstein, O.; Rakotoniaina, J.P.; Kaes, M.; Seren, S.; Pernau, T.; Hahn, G.; Warta, W.; Isenberg, J.
Conference Paper
2005Quantifying the effect of metal-rich precipitates on minority carrier diffusion length in multicrystalline silicon using synchrotron-based spectrally resolved x-ray beam-induced current
Buonassisi, T.; Istratov, A.A.; Pickett, M.D.; Marcus, M.A.; Hahn, G.; Ciszek, T.F.; Riepe, S.; Isenberg, J.; Warta, W.; Schindler, R.; Willeke, G.; Weber, E.R.
Journal Article
2005Range of loss mechanisms accessible by illuminated lock in thermography (ILIT)
Isenberg, J.; Heide, A.S.H. van der; Warta, W.
Conference Paper
2005Recent developments in carrier lifetime imaging
Warta, W.; Schubert, M. C.; Isenberg, J.; Bermejo, S.; Riepe, S.; Diez, S.
Presentation
2005Sheet resistance imaging (SRI) - A contactless and spatially resolved method for the determination of doping inhomogeneities
Isenberg, J.; Schubert, M.C.; Biro, D.; Froitzheim, A.; Warta, W.
Conference Paper
2005Short communication: Investigation of series resistance losses by illuminated lock-in thermography
Isenberg, J.; Heide, A.S.H. van der; Warta, W.
Journal Article
2005Spatially resolved assessment of power losses due to bulk material quality and metallization problems
Isenberg, J.; Heide, A.S.H. van der; Warta, W.
Conference Paper
2005Synchrotron-based investigations of the nature and impact of iron contamination in multicrystalline silicon solar cells
Buonassisi, T.; Istratov, A.A.; Heuer, M.; Marcus, M.A.; Jonczyk, R.; Isenberg, J.; Lai, B.; Cai, Z.H.; Heald, S.; Warta, W.; Schindler, R.; Willeke, G.; Weber, E.R.
Journal Article
2004Fast, contactless and spatially resolved measurement of sheet resistance by an infrared method
Isenberg, J.; Biro, D.; Warta, W.
Journal Article
2004Free carrier absorption in heavily doped silicon layers
Isenberg, J.; Warta, W.
Journal Article
2004Illuminated lock-in thermography (ILT) - new method for spatially resolved assessment of power losses in solar cells
Isenberg, J.; Warta, W.
Conference Paper
2004Impact of iron contamination in multicrystalline silicon solar cells: Origins, chemical states, and device impacts
Buonassisi, T.; Heuer, M.; Istratov, A.A.; Marcus, M.A.; Jonczyk, R.; Lai, B.; Cai, Z.; Isenberg, J.; Warta, W.; Schindler, R.; Weber, E.R.
Conference Paper
2004Nafion® polymer film as a low-temperature passivation for lifetime measurements on silicon wafers
Stokkan, G.; Isenberg, J.; Biro, D.; Warta, W.; Hagen, G.
Conference Paper
2004Observation of transition metals at shunt locations in multicrystalline silicon solar cells
Buonassisi, T.; Vyvenko, O.F.; Istratov, A.A.; Weber, E.R.; Hahn, G.; Sontag, D.; Rakotoniaina, J.P.; Breitenstein, O.; Isenberg, J.; Schindler, R.
Journal Article
2004Realistic evaluation of power losses in solar cells by using thermographic methods
Isenberg, J.; Warta, W.
Journal Article
2004Spatially resolved evaluation of power losses in industrial solar cells by illuminated lock-in thermography
Isenberg, J.; Warta, W.
Journal Article
2004Spatially resolved IR-measurement techniques for solar cells
Isenberg, J.; Riepe, S.; Schubert, M.C.; Glunz, S.W.; Warta, W.
Conference Paper
2004Temperature dependent carrier lifetime images
Schubert, M.C.; Isenberg, J.; Rein, S.; Warta, W.
Conference Paper
2004Thermographic imaging of free carrier density in silicon
Schubert, M.C.; Isenberg, J.; Riepe, S.; Warta, W.
Journal Article
2004Verfahren und Anordnung zur strahlungsinduzierten Bestimmung der lokalen Verteilung von Verluststroemen bzw. Verlustleistung in Halbleiterbauelementen
Isenberg, J.; Warta, W.; Riepe, S.
Patent
2003Analyse von Leistungsverlusten in c-Si-Solarzellen
Isenberg, J.; Warta, W.
Conference Paper
2003Assessing the role of transition metals in shunting mechanisms using synchrotron-based techniques
Buonassisi, T.; Vyvenko, O.F.; Istratov, A.A.; Weber, E.R.; Hahn, G.; Sontag, D.; Rakotoniaina, J.P.; Breitenstein, O.; Isenberg, J.; Schindler, R.
Conference Paper
2003Averaging of laterally inhomogeneous lifetimes for one-dimensional modeling of solar cells
Isenberg, J.; Dicker, J.; Warta, W.
Journal Article
2003Diffusion properties of ion-implanted vanadium in PECVD-SiO2 and PECVD-SiN(x)
Isenberg, J.; Reber, S.; Warta, W.
Journal Article
2003Imaging method for laterally resolved measurement of minority carrier densities and lifetimes: measurement principle and first applications
Isenberg, J.; Riepe, S.; Glunz, S.W.; Warta, W.
Journal Article
2003Neue Infrarotmeßtechniken für die Photovoltaik
Isenberg, J.
Dissertation
2003Spatially resolved lifetime imaging of silicon wafers by measurement of infrared emission
Schubert, M.C.; Isenberg, J.; Warta, W.
Journal Article
2002Analysis of the effect of diffusion length distributions on global solar cell parameters by simplified 2D modelling
Isenberg, J.; Dicker, J.; Warta, W.
Conference Paper
2002Carrier density and lifetime imaging of silicon wafers by infrared lock-in thermography
Riepe, S.; Isenberg, J.; Ballif, C.; Glunz, S.W.; Warta, W.
Conference Paper
2002Carrier density imaging (CDI): A spatially resolved lifetime measurement suitable for in-line process-control
Isenberg, J.; Riepe, S.; Glunz, S.W.; Warta, W.
Conference Paper
2002Correlation of spatially resolved lifetime measurements with overall solar cell parameters
Isenberg, J.; Dicker, J.; Riepe, S.; Ballif, C.; Peters, S.; Lautenschlager, H.; Schindler, R.; Warta, W.
Conference Paper
2002Effect of shunt distribution on the overall solar cell performance investigated by circuit simulation
Dicker, J.; Isenberg, J.; Warta, W.
Conference Paper
2002High-efficiency silicon solar cells for low-illumination applications
Glunz, S.W.; Dicker, J.; Esterle, M.; Hermle, M.; Isenberg, J.; Kamerewerd, F.; Knobloch, J.; Kray, D.; Leimenstoll, A.; Lutz, F.; Oßwald, D.; Preu, R.; Rein, S.; Schäffer, E.; Schetter, C.; Schmidhuber, H.; Schmidt, H.; Steuder, M.; Vorgrimler, C.; Willeke, G.
Conference Paper
2002Lifetime investigations of degradation effects in processed multicrystalline silicon wafers
Ballif, C.; Peters, S.; Borchert, D.; Häussler, C.; Isenberg, J.; Schindler, R.; Warta, W.; Willeke, G.
Conference Paper
2002Separation of bulk diffusion length and rear surface recombination velocity in SR-LBIC mappings
Isenberg, J.; Bartels, O.; Warta, W.
Conference Paper
2002Shunt imaging in solar cells using low cost commercial liquid crystal sheets
Ballif, C.; Peters, S.; Isenberg, J.; Riepe, S.; Borchert, D.
Conference Paper
2000Lifetime spectroscopy in silicon for solar cells
Rein, S.; Rehrl, T.; Isenberg, J.; Warta, W.; Glunz, S.W.
Conference Paper
2000Silicon dioxide and silicon nitride as diffusion barrier for transition metals in solar cell applications
Isenberg, J.; Reber, S.; Aschaber, J.; Warta, W.
Conference Paper