Influence of defect type on hydrogen passivation efficacy in multicrystalline silicon solar cells

Mariana Bertoni, S. Hudelson, B. K. Newman, D. P. Fenning, H. F W Dekkers, E. Cornagliotti, A. Zuschlag, G. Micard, G. Hahn, G. Coletti, B. Lai, T. Buonassisi

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

We examine the effectiveness of hydrogen passivation as a function of defect type and microstructure at grain boundaries (GBs) in multicrystalline silicon. We analyze a solar cell with alternating mm-wide bare and SiN x-coated stripes using laser-beam-induced current, electron backscatter diffraction, X-ray fluorescence microscopy, and defect etching to correlate pre- and post-hydrogenation recombination activity with GB character, density of iron-silicide nanoprecipitates, and dislocations. A strong correlation was found between GB recombination activity and the nature/density of etch pits along the boundaries, while iron silicide precipitates above detection limits were found to play a less significant role.

Original languageEnglish (US)
Pages (from-to)187-191
Number of pages5
JournalProgress in Photovoltaics: Research and Applications
Volume19
Issue number2
DOIs
StatePublished - Mar 2011
Externally publishedYes

Fingerprint

Silicon solar cells
Passivation
passivity
Hydrogen
Grain boundaries
grain boundaries
solar cells
Defects
Hydrogenation
hydrogenation
defects
hydrogen
Iron
iron
Fluorescence microscopy
Induced currents
Silicon
Dislocations (crystals)
Electron diffraction
Laser beams

Keywords

  • defects
  • dislocations
  • hydrogen passivation
  • iron
  • multicrystalline silicon

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Bertoni, M., Hudelson, S., Newman, B. K., Fenning, D. P., Dekkers, H. F. W., Cornagliotti, E., ... Buonassisi, T. (2011). Influence of defect type on hydrogen passivation efficacy in multicrystalline silicon solar cells. Progress in Photovoltaics: Research and Applications, 19(2), 187-191. https://doi.org/10.1002/pip.1008

Influence of defect type on hydrogen passivation efficacy in multicrystalline silicon solar cells. / Bertoni, Mariana; Hudelson, S.; Newman, B. K.; Fenning, D. P.; Dekkers, H. F W; Cornagliotti, E.; Zuschlag, A.; Micard, G.; Hahn, G.; Coletti, G.; Lai, B.; Buonassisi, T.

In: Progress in Photovoltaics: Research and Applications, Vol. 19, No. 2, 03.2011, p. 187-191.

Research output: Contribution to journalArticle

Bertoni, M, Hudelson, S, Newman, BK, Fenning, DP, Dekkers, HFW, Cornagliotti, E, Zuschlag, A, Micard, G, Hahn, G, Coletti, G, Lai, B & Buonassisi, T 2011, 'Influence of defect type on hydrogen passivation efficacy in multicrystalline silicon solar cells', Progress in Photovoltaics: Research and Applications, vol. 19, no. 2, pp. 187-191. https://doi.org/10.1002/pip.1008
Bertoni, Mariana ; Hudelson, S. ; Newman, B. K. ; Fenning, D. P. ; Dekkers, H. F W ; Cornagliotti, E. ; Zuschlag, A. ; Micard, G. ; Hahn, G. ; Coletti, G. ; Lai, B. ; Buonassisi, T. / Influence of defect type on hydrogen passivation efficacy in multicrystalline silicon solar cells. In: Progress in Photovoltaics: Research and Applications. 2011 ; Vol. 19, No. 2. pp. 187-191.
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