Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2014Inkjet-printing for maskless separation of metal structures for back-contact silicon solar cells
Stüwe, D.; Hartmann, P.; Keding, R.; Thaidigsmann, B.; Clement, F.; Prokopiak, S.; Fastnacht, P.; Jesswein, R.; Geppert, T.; Woehl, R.; Korvink, J.G.; Biro, D.
Journal Article
2014Potential-induced degradation at interdigitated back contact solar cells
Naumann, V.; Geppert, T.; Grosser, S.; Wichmann, D.; Krokoszinski, H.J.; Werner, M.; Hagendorf, C.
Conference Paper, Journal Article
2013Etching of PVD metal layers for contact separation of back contact silicon solar cells using inkjet-printing
Stüwe, D.; Hartmann, P.; Keding, R.; Clement, F.; Woehl, R.; Biro, D.; Fastnacht, P.; Jesswein, R.; Geppert, T.; Prokopiak, S.; Korvink, J.G.
Conference Paper
2013Macroporous silicon and its application in sensing
Wehrspohn, R.B.; Schweizer, S.L.; Gesemann, B.; Pergande, D.; Geppert, T.M.; Moretton, S.; Lambrecht, A.
Journal Article
2013Study of the electrical insulation of dielectric passivation layers and stacks for back-contact back-junction silicon solar cells
Keding, R.; Bock, R.; Katkhouda, K.; Stüwe, D.; Reichel, C.; Clement, F.; Woehl, R.; Reinecke, H.; Geppert, T.
Conference Paper
2011Miniature infrared gas sensors using photonic crystals
Pergande, D.; Geppert, T.; Rhein, A. von; Schweizer, S.; Wehrspohn, R.; Moretton, S.; Lambrecht, A.
Journal Article
2011Periodic silicon nanostructures for spectroscopic microsensors
Wehrspohn, R.; Gesemann, B.; Pergande, D.; Geppert, T.; Schweizer, S.; Moretton, S.; Lambrecht, A.
Conference Paper
2010Investigations of laser and design parameters of via holes on mechanical strength of metal wrap through solar cells
Schoenfelder, S.; Oswald, M.; Fischer, C.; Zühlke, H.-U.; Berbig, C.; Geppert, T.; Wütherich, T.; Krokoszinski, H.-J.; Bagdahn, J.
Conference Paper
2010Reduced pore diameter fluctuations of macroporous silicon fabricated from neutron-transmutation-doped material
Schweizer, S.L.; Rhein, A. von; Geppert, T.M.; Wehrspohn, R.B.
Journal Article
2009Improved edge isolation of solar cells applying readily dispensable etching paste
Doll, O.; Tueshaus, C.; Stockum, W.; Koehler, I.; Erath, D.; Specht, J.; Krieg, A.; Clement, F.; Biro, D.; Geppert, T.; Lossen, J.
Conference Paper
2008Deep trench etching in macroporous silicon application to photonic crystal gas sensing
Wehrspohn, R.B.; Schweizer, S.L.; Geppert, T.; Lambrecht, A.
Conference Paper
2005Photonic crystal gas sensors
Wehrspohn, R.B.; Geppert, T.M.; Schweizer, S.L.; Rhein, A. von; Pergande, D.; Beyer, T.; Lambrecht, A.
Conference Paper
2004Application of photonic crystals for gas detection and sensing
Wehrspohn, R.B.; Schweizer, S.L.; Schilling, J.; Geppert, T.M.; Jamois, C.; Glatthaar, R.; Hahn, P.; Feisst, A.; Lambrecht, A.
Book Article
2004Epitaxy and characterisation of dilute III-As(1-y)N(y) on GaAs and InP
Köhler, K.; Wagner, J.; Ganser, P.; Serries, D.; Geppert, T.; Maier, M.; Kirste, L.
Conference Paper, Journal Article
2004Photonic crystal gas sensors
Geppert, T.; Schweizer, S.; Schilling, J.; Jamois, C.; Rhein, A.; Pergande, D.; Glatthaar, R.; Hahn, P.; Feisst, A.; Lambrecht, A.
Conference Paper
2004The realization of long-wavelength (lambda <= 2.3 µm) Ga(1-x)In(x)As(1-y)N(y) quantum wells on InP by molecular-beam epitaxy
Köhler, K.; Wagner, J.; Ganser, P.; Serries, D.; Geppert, T.; Maier, T.; Kirste, L.
Journal Article
2003Bonding of nitrogen in dilute GaInAsN and AlGaAsN studied by Raman spectroscopy
Wagner, J.; Geppert, T.; Köhler, K.; Ganser, P.; Maier, M.
Journal Article
2003Dilute group III-AsN: Bonding of Nitrogen in GaInAsN and AlGaAsN on GaAs and realization of long wavelength (2.3 µm) GaInAsN QWs on InP
Serries, D.; Geppert, T.; Köhler, K.; Ganser, P.; Wagner, J.
Conference Paper
2003Quantitative assessment of Al-to-N bonding in dilute Al(0.33)Ga(0.67)As(1-y)N(y)
Wagner, J.; Geppert, T.; Köhler, K.; Ganser, P.; Maier, M.
Journal Article
2003SIMS depth profiling of InGaAsN/InAlAs quantum wells on InP
Maier, M.; Serries, D.; Geppert, T.; Köhler, K.; Güllich, H.; Herres, N.
Journal Article
2002High in content GaInAsN on InP: Composition dependent band gap energy and luminescence properties
Serries, D.; Geppert, T.; Ganser, P.; Köhler, K.; Wagner, J.
Conference Paper
2002Molekularstrahl-Epitaxie und Charakterisierung von Gruppe III-Arsenid/Nitridischen Halbleitern
Geppert, T.
Thesis
2002Preferential formation of Al-N bonds in low N-content AlGaAsN
Geppert, T.; Wagner, J.; Köhler, K.; Ganser, P.; Maier, M.
Journal Article
2002Quaternary GaInAsN with high In content: Dependence of band gap energy on N content
Serries, D.; Geppert, T.; Ganser, P.; Maier, M.; Köhler, K.; Herres, N.; Wagner, J.
Journal Article
2001N-induced vibrational modes in GaAsN and GaInAsN studied by resonant Raman scattering
Wagner, J.; Geppert, T.; Köhler, K.; Ganser, P.; Herres, N.
Journal Article