Optimisation of boron rear diffusion in buried contact solar cells

Alexander M. Slade, Christiana B. Honsberg, Stuart R. Wenham

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations


Boron diffused rear surfaces are used in place of an Al/Si alloy to form a back surface field (BSF) for single sided buried contact (SSBC) cells. This was done as part of an investigation to determine the effect that heavy boron diffusions have on lifetime and saturation current. The findings are that a heavy boron diffusion over a large area can increase efficiency, since the bulk lifetime is retained and low saturation current is observed. SSBC solar cells were made that had open circuit voltages of 650 mV, 645 mV, and 640 mV on 3 and 10 Ωcm p-type, and 100 Ωcm (rear junction) n-type, respectively, using a heavily boron diffused region.

Original languageEnglish (US)
Title of host publicationConference Record of the IEEE Photovoltaic Specialists Conference
Number of pages4
ISBN (Electronic)0780357728
StatePublished - Jan 1 2000
Externally publishedYes

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering


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