Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2018Combining photon recycling and concentrated illumination in a GaAs heterojunction solar cell
Schilling, C.; Höhn, O.; Micha, D.N.; Heckelmann, S.; Klinger, V.; Oliva, E.; Glunz, S.W.; Dimroth, F.
Journal Article
2017Analyse zur Eignung von AlxGa1-xAs als aktives Material in III-V Mehrfachsolarzellen
Heckelmann, Stefan
: Willeke, G.; Schmidt-Mende, L.
2017Fabrication of highly efficient four-junction solar cells by surface-activated wafer-bonding
Predan, Felix; Heckelmann, Stefan; Niemeyer, Markus; Lackner, David; Kovacs, Andras; Dunin-Borkowski, R.E.; Jäger, W.; Dimroth, Frank
Conference Paper
2017Material quality frontiers of MOVPE grown AIGaAs for minority carrier devices
Heckelmann, S.; Lackner, D.; Dimroth, F.; Bett, A.W.
Journal Article, Conference Paper
2017Radiation hardness of AlGaAs n-i-p solar cells with higher bandgap intrinsic region
Walker, A.; Heckelmann, S.; Tibbits, T.; Lackner, D.; Bett, A.W.; Dimroth, F.
Journal Article
2017Research on multi-junction solar cells at Fraunhofer ISE
Bett, A.W.; Beutel, P.; Cariou, R.; Feifel, M.; Heckelmann, S.; Hoehn, O.; Klinger, V.; Lackner, D.; Niemeyer, M.; Ohlmann, J.; Oliva, E.; Predan, F.; Siefer, G.; Dimroth, F.
2016Nonradiative lifetime extraction using power-dependent relative photoluminescense of III-V semiconductor double-heterostructures
Walker, A.W.; Heckelmann, S.; Karcher, C.; Höhn, O.; Went, C.; Niemeyer, M.; Bett, A.W.; Lackner, D.
Journal Article
2015Energy level of the Si-related DX-center in (AlyGa1-y)1-xInxAs
Heckelmann, S.; Lackner, D.; Bett, A.W.
Journal Article
2015Investigations on AlxGa1-xAs solar cells grown by MOVPE
Heckelmann, S.; Lackner, D.; Karcher, C.; Dimroth, F.; Bett, A.W.
Journal Article
2013AlxGa1-xAs minority carrier lifetime enhancement at low temperatures
Heckelmann, S.; Lackner, D.; Dimroth, F.; Bett, A.W.
Journal Article
2013Overview about technology perspectives for high efficiency solar cells for space and terrestrial applications
Bett, A.W.; Philipps, S.P.; Essig, S.; Heckelmann, S.; Kellenbenz, R.; Klinger, V.; Niemeyer, M.; Lackner, D.; Dimroth, F.
Conference Paper