Macroporous silicon as an absorber for thin heterojunction solar cells

Publikation: Beitrag in Buch/Bericht/Sammelwerk/Konferenzband › Aufsatz in Konferenzband › Forschung › Peer-Review

Autoren

  • Marco Ernst
  • Rolf Brendel
  • Rafel Ferré
  • Nils Peter Harder
  • Sarah Kajari-Schröder

Organisationseinheiten

Externe Organisationen

  • Institut für Solarenergieforschung GmbH (ISFH)
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Titel des SammelwerksProgram - 38th IEEE Photovoltaic Specialists Conference, PVSC 2012
Seiten1040-1045
Seitenumfang6
PublikationsstatusVeröffentlicht - 4 Okt. 2012
Veranstaltung38th IEEE Photovoltaic Specialists Conference, PVSC 2012 - Austin, TX, USA / Vereinigte Staaten
Dauer: 3 Juni 2012 → 8 Juni 2012

Publikationsreihe

NameConference Record of the IEEE Photovoltaic Specialists Conference
ISSN (Print)0160-8371

Abstract

Meso- and macroporous silicon is widely studied for several applications in photovoltaic devices. We investigate macroporous silicon as an absorber for thin-film silicon solar cells. Here we review the progress of our work. We demonstrate the separation of 85 × 85 mm2-sized macroporous silicon layer from a monocrystalline n-type Cz silicon wafer. The measured optical absorption of a 26 μm thick macroporous silicon layer allows for a short-circuit current density of 37.6 mA cm-2. We measure an effective carrier lifetime of up to (38.8 ± 3.9) μs for (33 ± 2) μm thick surface passivated macroporous silicon layer. We use an analytical model to determine average surface recombination velocity S= (10 ± 2) cm s-1 for the MacPSi layer. We prepare macroporous silicon heterojunction solar cells with an energy-conversion efficiency of 7.2 %.

ASJC Scopus Sachgebiete

Ziele für nachhaltige Entwicklung

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Macroporous silicon as an absorber for thin heterojunction solar cells. / Ernst, Marco; Brendel, Rolf; Ferré, Rafel et al.
Program - 38th IEEE Photovoltaic Specialists Conference, PVSC 2012. 2012. S. 1040-1045 6317781 (Conference Record of the IEEE Photovoltaic Specialists Conference).

Publikation: Beitrag in Buch/Bericht/Sammelwerk/Konferenzband › Aufsatz in Konferenzband › Forschung › Peer-Review

Ernst, M, Brendel, R, Ferré, R, Harder, NP & Kajari-Schröder, S 2012, Macroporous silicon as an absorber for thin heterojunction solar cells. in Program - 38th IEEE Photovoltaic Specialists Conference, PVSC 2012., 6317781, Conference Record of the IEEE Photovoltaic Specialists Conference, S. 1040-1045, 38th IEEE Photovoltaic Specialists Conference, PVSC 2012, Austin, TX, USA / Vereinigte Staaten, 3 Juni 2012. https://doi.org/10.1109/PVSC.2012.6317781
Ernst, M., Brendel, R., Ferré, R., Harder, N. P., & Kajari-Schröder, S. (2012). Macroporous silicon as an absorber for thin heterojunction solar cells. In Program - 38th IEEE Photovoltaic Specialists Conference, PVSC 2012 (S. 1040-1045). Artikel 6317781 (Conference Record of the IEEE Photovoltaic Specialists Conference). https://doi.org/10.1109/PVSC.2012.6317781
Ernst M, Brendel R, Ferré R, Harder NP, Kajari-Schröder S. Macroporous silicon as an absorber for thin heterojunction solar cells. in Program - 38th IEEE Photovoltaic Specialists Conference, PVSC 2012. 2012. S. 1040-1045. 6317781. (Conference Record of the IEEE Photovoltaic Specialists Conference). doi: 10.1109/PVSC.2012.6317781
Ernst, Marco ; Brendel, Rolf ; Ferré, Rafel et al. / Macroporous silicon as an absorber for thin heterojunction solar cells. Program - 38th IEEE Photovoltaic Specialists Conference, PVSC 2012. 2012. S. 1040-1045 (Conference Record of the IEEE Photovoltaic Specialists Conference).
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AU - Brendel, Rolf

AU - Ferré, Rafel

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N2 - Meso- and macroporous silicon is widely studied for several applications in photovoltaic devices. We investigate macroporous silicon as an absorber for thin-film silicon solar cells. Here we review the progress of our work. We demonstrate the separation of 85 × 85 mm2-sized macroporous silicon layer from a monocrystalline n-type Cz silicon wafer. The measured optical absorption of a 26 μm thick macroporous silicon layer allows for a short-circuit current density of 37.6 mA cm-2. We measure an effective carrier lifetime of up to (38.8 ± 3.9) μs for (33 ± 2) μm thick surface passivated macroporous silicon layer. We use an analytical model to determine average surface recombination velocity S= (10 ± 2) cm s-1 for the MacPSi layer. We prepare macroporous silicon heterojunction solar cells with an energy-conversion efficiency of 7.2 %.

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